Insider Trading disclosures for Natural Gas Services Group, Inc.

The latest disclosure was made by Justin C. Jacobs in Natural Gas Services Group, Inc. where a trade of 35,087 Restricted Stock Units done was reported to US exchanges on March 13, 2025.

Insider trading is the trading of a company’s securities by individuals with access to confidential or material non-public information about the company. A company is required to report trading by corporate officers, directors, or other company members with significant access to privileged information to the Securities and Exchange Commission (SEC).

Client Name	Client Category	Action	Reported to Exchange	Quantity	Post Transaction Holding	Traded %	Avg. Price	Value	Security Type
Justin C. Jacobs	Director, Chief Executive Officer	Grant, award, or other acquisition of securities at price $ 0.00 per share.	13 Mar 2025	35,087	35,087	-		-	Restricted Stock Units
Brian L. Tucker	President & COO	Grant, award, or other acquisition of securities at price $ 0.00 per share.	13 Mar 2025	9,014	9,014	-		-	Restricted Stock Units
Justin C. Jacobs	Director, Chief Executive Officer	Grant, award, or other acquisition of securities at price $ 0.00 per share.	29 Jan 2025	10,461	13,323 (0%)	0%		-	Common Stock
Justin C. Jacobs	Director, Chief Executive Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	29 Jan 2025	10,461	20,921	-		-	Restricted Stock Units
Stephen C. Taylor	Director	Sale of securities on an exchange or to another person at price $ 28.57 per share.	21 Jan 2025	9,400	448,387 (3%)	0%	28.6	268,549	Common Stock
Stephen C. Taylor	Director	Sale of securities on an exchange or to another person at price $ 29.01 per share.	21 Jan 2025	10,000	438,387 (3%)	0%	29.0	290,100	Common Stock
Stephen C. Taylor	Director	Sale of securities on an exchange or to another person at price $ 27.15 per share.	12 Dec 2024	10,000	457,787 (3%)	0%	27.2	271,500	Common Stock
Stephen C. Taylor	Director	Sale of securities on an exchange or to another person at price $ 28.50 per share.	22 Nov 2024	600	467,787 (3%)	0%	28.5	17,100	Common Stock
Stephen C. Taylor	Director	Sale of securities on an exchange or to another person at price $ 28.00 per share.	22 Nov 2024	10,000	468,387 (3%)	0%	28	280,000	Common Stock
Stephen C. Taylor	Director	Sale of securities on an exchange or to another person at price $ 25.50 per share.	19 Nov 2024	6,516	518,387 (3%)	0%	25.5	166,158	Common Stock
Stephen C. Taylor	Director	Sale of securities on an exchange or to another person at price $ 26.89 per share.	19 Nov 2024	38,479	478,387 (3%)	0%	26.9	1,034,777	Common Stock
Stephen C. Taylor	Director	Sale of securities on an exchange or to another person at price $ 26.00 per share.	19 Nov 2024	1,521	516,866 (3%)	0%	26	39,546	Common Stock
Stephen C. Taylor	Director	Sale of securities on an exchange or to another person at price $ 25.01 per share.	15 Nov 2024	10,042	528,345 (3%)	0%	25.0	251,110	Common Stock
Stephen C. Taylor	Director	Sale of securities on an exchange or to another person at price $ 25.51 per share.	15 Nov 2024	3,442	524,903 (3%)	0%	25.5	87,809	Common Stock
Stephen C. Taylor	Director	Sale of securities on an exchange or to another person at price $ 24.50 per share.	11 Nov 2024	2,191	538,387 (3%)	0%	24.5	53,680	Common Stock
Stephen C. Taylor	Director	Sale of securities on an exchange or to another person at price $ 24.51 per share.	11 Nov 2024	4,713	540,578 (4%)	0%	24.5	115,506	Common Stock
Stephen C. Taylor	Director	Sale of securities on an exchange or to another person at price $ 24.50 per share.	11 Nov 2024	3,096	545,291 (4%)	0%	24.5	75,853	Common Stock
Jean K. Holley	Director	Grant, award, or other acquisition of securities at price $ 0.00 per share.	01 Nov 2024	3,465	3,465	-		-	Restricted Stock Units
Brian L. Tucker	President & COO	Payment of exercise price or tax liability using portion of securities received from the company at price $ 20.45 per share.	21 Oct 2024	643	1,477 (0%)	0%	20.4	13,149	Common Stock
Brian L. Tucker	President & COO	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	21 Oct 2024	2,120	4,241	-		-	Restricted Stock Units
Brian L. Tucker	President & COO	Grant, award, or other acquisition of securities at price $ 0.00 per share.	21 Oct 2024	2,120	2,120 (0%)	0%		-	Common Stock
Stephen C. Taylor	Director	Grant, award, or other acquisition of securities at price $ 0.00 per share.	13 Sep 2024	4,195	4,195	-		-	Restricted Stock Units
Stephen C. Taylor	Director	Sale of securities on an exchange or to another person at price $ 22.00 per share.	26 Aug 2024	3,181	548,387 (4%)	0%	22	69,982	Common Stock
Stephen C. Taylor	Director	Sale of securities on an exchange or to another person at price $ 22.14 per share.	20 Aug 2024	4,690	551,568 (4%)	0%	22.1	103,837	Common Stock
Stephen C. Taylor	Director	Sale of securities on an exchange or to another person at price $ 22.14 per share.	20 Aug 2024	4,690	551,568 (4%)	0%	22.1	103,837	Common Stock
Stephen C. Taylor	Director	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	30 Jun 2024	10,101	0	-		-	Restricted Stock Units
Stephen C. Taylor	Director	Payment of exercise price or tax liability using portion of securities received from the company at price $ 20.12 per share.	30 Jun 2024	3,975	556,258 (4%)	0%	20.1	79,977	Common Stock
Stephen C. Taylor	Director	Grant, award, or other acquisition of securities at price $ 0.00 per share.	30 Jun 2024	10,101	560,233 (4%)	0%		-	Common Stock
Justin C. Jacobs	Director, Chief Executive Officer	Purchase of securities on an exchange or from another person at price $ 19.08 per share.	14 Jun 2024	2,500	2,862 (0%)	0%	19.1	47,700	Common Stock
David L. Bradshaw	Director	Grant, award, or other acquisition of securities at price $ 0.00 per share.	13 Jun 2024	5,620	5,620	-		-	Restricted Stock Units
Donald J. Tringali	Director	Grant, award, or other acquisition of securities at price $ 0.00 per share.	13 Jun 2024	5,620	5,620	-		-	Restricted Stock Units
Georganne Hodges	Director	Grant, award, or other acquisition of securities at price $ 0.00 per share.	13 Jun 2024	5,620	5,620	-		-	Restricted Stock Units
Nigel J. Jenvey	Director	Grant, award, or other acquisition of securities at price $ 0.00 per share.	13 Jun 2024	5,620	5,620	-		-	Restricted Stock Units
David L. Bradshaw	Director	Grant, award, or other acquisition of securities at price $ 0.00 per share.	09 May 2024	9,470	45,726 (0%)	0%		-	Common Stock
David L. Bradshaw	Director	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	09 May 2024	9,470	0	-		-	Restricted Stock Units
Donald J. Tringali	Director	Grant, award, or other acquisition of securities at price $ 0.00 per share.	09 May 2024	8,523	8,523 (0%)	0%		0	Common Stock
Donald J. Tringali	Director	Grant, award, or other acquisition of securities at price $ 0.00 per share.	09 May 2024	947	947 (0%)	0%		0	Common Stock
Donald J. Tringali	Director	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	09 May 2024	9,470	0	-		-	Restricted Stock Units
Nigel J. Jenvey	Director	Grant, award, or other acquisition of securities at price $ 0.00 per share.	09 May 2024	9,470	18,973 (0%)	0%		-	Common Stock
Nigel J. Jenvey	Director	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	09 May 2024	9,470	0	-		-	Restricted Stock Units
David L. Bradshaw	Director	Grant, award, or other acquisition of securities at price $ 0.00 per share.	09 May 2024	4,735	40,991 (0%)	0%		0	Common Stock
Justin C. Jacobs	Director, Chief Executive Officer	Sale or transfer of securities back to the company at price $ 0.00 per share.	09 May 2024	2,252	362 (0%)	0%		0	Common Stock
Justin C. Jacobs	Director, Chief Executive Officer	Other type of transaction at price $ 0.00 per share.	09 May 2024	6,856	2,614 (0%)	0%		0	Common Stock
James R. Hazlett	Chief Technical Officer	Payment of exercise price or tax liability using portion of securities received from the company at price $ 22.44 per share.	01 May 2024	1,568	108,844 (0%)	0%	22.4	35,186	Common Stock
James R. Hazlett	Chief Technical Officer	Payment of exercise price or tax liability using portion of securities received from the company at price $ 16.93 per share.	18 Mar 2024	2,356	106,488 (0%)	0%	16.9	39,887	Common Stock
James R. Hazlett	Chief Technical Officer	Payment of exercise price or tax liability using portion of securities received from the company at price $ 22.42 per share.	18 Mar 2024	2,816	103,672 (0%)	0%	22.4	63,135	Common Stock
James R. Hazlett	Chief Technical Officer	Grant, award, or other acquisition of securities at price $ 0.00 per share.	14 Mar 2024	21,984	21,984	-		-	Restricted Stock Units
Brian L. Tucker	Chief Operating Officer	Grant, award, or other acquisition of securities at price $ 0.00 per share.	04 Mar 2024	11,293	11,293	-		-	Restricted Stock Units
C. Justin Jacobs	Director	Grant, award, or other acquisition of securities at price $ 0.00 per share.	29 Jan 2024	31,382	31,382	-		-	Restricted Stock Units
Georganne Hodges	Director	Grant, award, or other acquisition of securities at price $ 0.00 per share.	26 Oct 2023	4,623	4,623	-		-	Restricted Stock Units
Brian L. Tucker	President & COO	Grant, award, or other acquisition of securities at price $ 0.00 per share.	09 Oct 2023	6,361	6,361	-		-	Restricted Stock Units
Justin C. Jacobs	Director		21 Jul 2023	9,100	921,508 (6%)	0%	15	136,500	Common Stock
Justin C. Jacobs	Director		21 Jul 2023	91	0	-		-	Put Option (obligation to buy)
Stephen C. Taylor	Director, Interim CEO & President	Grant, award, or other acquisition of securities at price $ 9.90 per share.	30 Jun 2023	10,101	592,372 (4%)	0%	9.9	100,000	Common Stock
Stephen C. Taylor	Director, Interim CEO & President	Payment of exercise price or tax liability using portion of securities received from the company at price $ 9.90 per share.	30 Jun 2023	42,240	550,132 (4%)	0%	9.9	418,176	Common Stock
Stephen C. Taylor	Director, Interim CEO & President	Grant, award, or other acquisition of securities at price $ 0.00 per share.	30 Jun 2023	10,101	10,101	-		-	Restricted Stock Units
David L. Bradshaw	Director	Grant, award, or other acquisition of securities at price $ 0.00 per share.	09 May 2023	9,470	9,470	-		-	Restricted Stock Unit
Donald J. Tringali	Director	Grant, award, or other acquisition of securities at price $ 0.00 per share.	09 May 2023	9,470	9,470	-		-	Restricted Stock Unit
Justin C. Jacobs	Director	Other type of transaction at price $ 0.00 per share.	09 May 2023	9,470	9,470 (0%)	0%		0	Common Stock
Nigel J. Jenvey	Director	Grant, award, or other acquisition of securities at price $ 0.00 per share.	09 May 2023	9,470	9,470	-		-	Restricted Stock Unit
James R. Hazlett	Chief Technical Officer	Payment of exercise price or tax liability using portion of securities received from the company at price $ 10.30 per share.	28 Apr 2023	1,012	110,412 (0%)	0%	10.3	10,424	Common Stock
Stephen C. Taylor	Director, Interim CEO & President	Payment of exercise price or tax liability using portion of securities received from the company at price $ 10.30 per share.	28 Apr 2023	11,158	605,405 (4%)	0%	10.3	114,927	Common Stock
Stephen C. Taylor	Director, Interim CEO & President	Grant, award, or other acquisition of securities at price $ 0.00 per share.	28 Apr 2023	3,138	133,701 (0%)	0%		0	Common Stock
Stephen C. Taylor	Director, Interim CEO & President	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	28 Apr 2023	3,138	0	-		-	Restricted Stock Units
James R. Hazlett	Chief Technical Officer	Payment of exercise price or tax liability using portion of securities received from the company at price $ 10.41 per share.	25 Apr 2023	1,308	111,424 (0%)	0%	10.4	13,616	Common Stock
James R. Hazlett	Chief Technical Officer	Grant, award, or other acquisition of securities at price $ 10.41 per share.	25 Apr 2023	27,840	112,732 (0%)	0%	10.4	289,814	Common Stock
Stephen C. Taylor	Director, Interim CEO & President	Payment of exercise price or tax liability using portion of securities received from the company at price $ 10.41 per share.	25 Apr 2023	23,134	582,271 (4%)	0%	10.4	240,825	Common Stock
James R. Hazlett	Chief Technical Officer	Payment of exercise price or tax liability using portion of securities received from the company at price $ 9.49 per share.	20 Mar 2023	2,657	84,892 (0%)	0%	9.5	25,215	Common Stock
Stephen C. Taylor	Director, Interim CEO	Payment of exercise price or tax liability using portion of securities received from the company at price $ 9.49 per share.	20 Mar 2023	14,325	557,773 (4%)	0%	9.5	135,944	Common Stock
Micah C. Foster	VP and Chief Financial Officer	Payment of exercise price or tax liability using portion of securities received from the company at price $ 10.61 per share.	21 Feb 2023	2,156	18,880 (0%)	0%	10.6	22,875	Common Stock
John William Chisholm	Former Director	Grant, award, or other acquisition of securities at price $ 0.00 per share.	29 Dec 2022	16,935	21,147 (0%)	0%		0	Common Stock
John William Chisholm	Former Director	Grant, award, or other acquisition of securities at price $ 0.00 per share.	29 Dec 2022	25,000	25,000	-		-	Stock Option (right to buy)
Leslie Shockley Beyer	Director	Sale of securities on an exchange or to another person at price $ 11.05 per share.	01 Dec 2022	3,000	8,148 (0%)	0%	11.1	33,150	Common Stock
James R. Hazlett	VP - Technical Services	Grant, award, or other acquisition of securities at price $ 0.00 per share.	15 Aug 2022	15,503	87,549 (0%)	0%		0	Common Stock
Stephen C. Taylor	Director, Chairman	Grant, award, or other acquisition of securities at price $ 0.00 per share.	15 Aug 2022	60,839	572,098 (4%)	0%		0	Common Stock
Micah C. Foster	VP and Chief Financial Officer	Grant, award, or other acquisition of securities at price $ 0.00 per share.	15 Aug 2022	16,537	21,036 (0%)	0%		0	Common Stock
Micah C. Foster	Chief Financial Officer	Payment of exercise price or tax liability using portion of securities received from the company at price $ 12.83 per share.	17 Jun 2022	501	4,499 (0%)	0%	12.8	6,428	Common Stock
John William Chisholm	Director, President and CEO (Interim)	Grant, award, or other acquisition of securities at price $ 0.00 per share.	09 Jun 2022	25,000	25,000	-		-	Stock Option (right to buy)
John William Chisholm	Director, President and CEO (Interim)	Grant, award, or other acquisition of securities at price $ 0.00 per share.	09 Jun 2022	50,000	50,000	-		-	Stock Option (right to buy)
John William Chisholm	Director, President and CEO (Interim)	Grant, award, or other acquisition of securities at price $ 0.00 per share.	09 Jun 2022	50,000	50,000	-		-	Stock Option (right to buy)
John William Chisholm	Director, President and CEO (Interim)	Grant, award, or other acquisition of securities at price $ 0.00 per share.	09 Jun 2022	50,000	50,000	-		-	Stock Option (right to buy)
James R. Hazlett	VP - Technical Services	Sale of securities on an exchange or to another person at price $ 15.00 per share.	07 Jun 2022	972	72,046 (0%)	0%	15	14,580	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Sale of securities on an exchange or to another person at price $ 15.00 per share.	07 Jun 2022	3,918	511,259 (3%)	0%	15	58,770	Common Stock
James R. Hazlett	VP - Technical Services	Sale of securities on an exchange or to another person at price $ 14.05 per share.	27 May 2022	595	75,423 (0%)	0%	14.1	8,360	Common Stock
James R. Hazlett	VP - Technical Services	Sale of securities on an exchange or to another person at price $ 14.01 per share.	27 May 2022	2,405	73,018 (0%)	0%	14.0	33,694	Common Stock
James R. Hazlett	VP - Technical Services	Payment of exercise price or tax liability using portion of securities received from the company at price $ 12.32 per share.	28 Apr 2022	1,012	76,018 (0%)	0%	12.3	12,468	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Payment of exercise price or tax liability using portion of securities received from the company at price $ 12.32 per share.	28 Apr 2022	11,112	515,177 (3%)	0%	12.3	136,900	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	28 Apr 2022	3,137	130,563 (0%)	0%		-	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	28 Apr 2022	3,137	3,138	-		-	Restricted Stock Units
David L. Bradshaw	Director	Grant, award, or other acquisition of securities at price $ 11.87 per share.	26 Apr 2022	4,212	36,256	-	11.9	49,996	Restricted Stock Units
John William Chisholm	Director	Grant, award, or other acquisition of securities at price $ 11.87 per share.	26 Apr 2022	4,212	13,004 (0%)	0%	11.9	49,996	Common Stock
Leslie Shockley Beyer	Director	Grant, award, or other acquisition of securities at price $ 11.87 per share.	26 Apr 2022	4,212	11,148	-	11.9	49,996	Restricted Stock Units
Nigel Jenvey	Director	Grant, award, or other acquisition of securities at price $ 11.87 per share.	26 Apr 2022	4,212	9,503	-	11.9	49,996	Restricted Stock Units
John William Chisholm	Director	Sale of securities on an exchange or to another person at price $ 11.79 per share.	11 Apr 2022	500	8,792 (0%)	0%	11.8	5,895	Common Stock
John William Chisholm	Director	Sale of securities on an exchange or to another person at price $ 10.68 per share.	01 Apr 2022	1,500	9,292 (0%)	0%	10.7	16,020	Common Stock
John William Chisholm	Director	Sale of securities on an exchange or to another person at price $ 12.01 per share.	29 Mar 2022	2,300	11,492 (0%)	0%	12.0	27,623	Common Stock
John William Chisholm	Director	Sale of securities on an exchange or to another person at price $ 11.61 per share.	29 Mar 2022	700	10,792 (0%)	0%	11.6	8,127	Common Stock
James R. Hazlett	VP - Technical Services	Payment of exercise price or tax liability using portion of securities received from the company at price $ 11.86 per share.	29 Mar 2022	2,028	77,030 (0%)	0%	11.9	24,052	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	29 Mar 2022	10,973	127,426 (0%)	0%		-	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	29 Mar 2022	10,973	6,275	-		-	Restricted Stock Units
Stephen C. Taylor	Director, Chief Executive Officer	Payment of exercise price or tax liability using portion of securities received from the company at price $ 11.86 per share.	29 Mar 2022	12,953	526,289 (3%)	0%	11.9	153,623	Common Stock
James R. Hazlett	VP - Technical Services	Payment of exercise price or tax liability using portion of securities received from the company at price $ 11.14 per share.	18 Mar 2022	1,977	79,058 (0%)	0%	11.1	22,024	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Payment of exercise price or tax liability using portion of securities received from the company at price $ 11.14 per share.	18 Mar 2022	14,311	539,242 (4%)	0%	11.1	159,425	Common Stock
James R. Hazlett	VP - Technical Services	Sale of securities on an exchange or to another person at price $ 14.00 per share.	01 Mar 2022	300	81,035 (0%)	0%	14	4,200	Common Stock
James R. Hazlett	VP - Technical Services	Sale of securities on an exchange or to another person at price $ 13.13 per share.	01 Mar 2022	2,750	81,335 (0%)	0%	13.1	36,108	Common Stock
James R. Hazlett	VP - Technical Services	Sale of securities on an exchange or to another person at price $ 12.08 per share.	06 Oct 2021	2,750	84,085 (0%)	0%	12.1	33,220	Common Stock
John William Chisholm	Director	Sale of securities on an exchange or to another person at price $ 9.97 per share.	14 Sep 2021	7,000	13,792 (0%)	0%	10.0	69,790	Common Stock
John William Chisholm	Director	Sale of securities on an exchange or to another person at price $ 9.56 per share.	26 Aug 2021	2,515	20,792 (0%)	0%	9.6	24,043	Common Stock
John William Chisholm	Director	Sale of securities on an exchange or to another person at price $ 9.24 per share.	26 Aug 2021	3,485	23,307 (0%)	0%	9.2	32,201	Common Stock
Micah C. Foster	Chief Financial Officer	Grant, award, or other acquisition of securities at price $ 10.93 per share.	17 Jun 2021	5,000	5,000 (0%)	0%	10.9	54,650	Common Stock
James R. Hazlett	VP -- Technical Services	Payment of exercise price or tax liability using portion of securities received from the company at price $ 9.12 per share.	28 Apr 2021	956	86,835 (0%)	0%	9.1	8,719	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	28 Apr 2021	3,138	116,453 (0%)	0%		-	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	28 Apr 2021	3,138	17,248	-		-	Restricted Stock Units
Stephen C. Taylor	Director, Chief Executive Officer	Payment of exercise price or tax liability using portion of securities received from the company at price $ 9.12 per share.	28 Apr 2021	11,112	553,553 (4%)	0%	9.1	101,341	Common Stock
Nigel Jenvey	Director	Grant, award, or other acquisition of securities at price $ 9.45 per share.	01 Apr 2021	5,291	5,291 (0%)	0%	9.5	50,000	Common Stock
James R. Hazlett	VP -- Technical Services	Payment of exercise price or tax liability using portion of securities received from the company at price $ 9.19 per share.	29 Mar 2021	1,755	87,791 (0%)	0%	9.2	16,128	Common Stock
David L. Bradshaw	Director	Grant, award, or other acquisition of securities at price $ 8.91 per share.	18 Mar 2021	5,612	32,044 (0%)	0%	8.9	50,003	Common Stock
John William Chisholm	Director	Grant, award, or other acquisition of securities at price $ 8.91 per share.	18 Mar 2021	5,612	26,792 (0%)	0%	8.9	50,003	Common Stock
James R. Hazlett	VP -- Technical Services	Grant, award, or other acquisition of securities at price $ 8.91 per share.	18 Mar 2021	20,000	89,546 (0%)	0%	8.9	178,200	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Grant, award, or other acquisition of securities at price $ 8.91 per share.	18 Mar 2021	109,212	577,619 (4%)	0%	8.9	973,079	Common Stock
William F. Hughes	Director	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	18 Mar 2021	3,989	0	-		-	Restricted Stock Units
William F. Hughes	Director	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	18 Mar 2021	3,989	16,453 (0%)	0%		-	Common Stock
Leslie Shockley Beyer	Director	Grant, award, or other acquisition of securities at price $ 8.91 per share.	18 Mar 2021	5,612	6,936 (0%)	0%	8.9	50,003	Common Stock
James R. Hazlett	VP -- Technical Services	Payment of exercise price or tax liability using portion of securities received from the company at price $ 9.74 per share.	15 Mar 2021	1,601	69,546 (0%)	0%	9.7	15,594	Common Stock
James R. Hazlett	VP -- Technical Services	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	15 Mar 2021	1,333	0	-		-	Restricted Stock Units
James R. Hazlett	VP -- Technical Services	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	15 Mar 2021	1,333	19,000 (0%)	0%		0	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Payment of exercise price or tax liability using portion of securities received from the company at price $ 9.74 per share.	15 Mar 2021	7,620	468,407 (3%)	0%	9.7	74,219	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	15 Mar 2021	9,317	31,359	-		-	Restricted Stock Units
Stephen C. Taylor	Director, Chief Executive Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	15 Mar 2021	9,317	102,342 (0%)	0%		0	Common Stock
James R. Hazlett	VP -- Technical Services	Sale of securities on an exchange or to another person at price $ 12.00 per share.	10 Dec 2020	2,500	71,147 (0%)	0%	12	30,000	Common Stock
Leslie Shockley Beyer	Director	Grant, award, or other acquisition of securities at price $ 9.44 per share.	15 Oct 2020	1,324	1,324 (0%)	0%	9.4	12,499	Common Stock
James R. Lawrence	VP & Chief Financial Officer	Payment of exercise price or tax liability using portion of securities received from the company at price $ 8.88 per share.	01 Oct 2020	391	4,609 (0%)	0%	8.9	3,472	Common Stock
William F. Hughes	Director	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	30 Sep 2020	1,302	5,290	-		-	Restricted Stock Units
William F. Hughes	Director	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	30 Sep 2020	1,302	11,163 (0%)	0%		-	Common Stock
William F. Hughes	Director	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	30 Jun 2020	1,301	6,592	-		-	Restricted Stock Units
William F. Hughes	Director	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	30 Jun 2020	1,301	9,861 (0%)	0%		-	Common Stock
Charles G. Curtis	Director	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	10 Jun 2020	3,546	3,546 (0%)	0%		-	Common Stock
Charles G. Curtis	Director	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	10 Jun 2020	3,546	0	-		-	Restricted Stock Units
David L. Bradshaw	Director	Grant, award, or other acquisition of securities at price $ 5.64 per share.	28 Apr 2020	4,432	26,432 (0%)	0%	5.6	24,996	Common Stock
John W. Chisholm	Director	Grant, award, or other acquisition of securities at price $ 5.64 per share.	28 Apr 2020	4,432	21,180 (0%)	0%	5.6	24,996	Common Stock
James R. Hazlett	VP -- Technical Services	Grant, award, or other acquisition of securities at price $ 5.64 per share.	28 Apr 2020	10,000	73,647 (0%)	0%	5.6	56,400	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Grant, award, or other acquisition of securities at price $ 5.64 per share.	28 Apr 2020	84,720	476,027 (3%)	0%	5.6	477,821	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Grant, award, or other acquisition of securities at price $ 0.00 per share.	28 Apr 2020	9,413	40,676	-		-	Restricted Stock Units
Charles G. Curtis	Director	Grant, award, or other acquisition of securities at price $ 5.64 per share.	28 Apr 2020	886	86,755 (0%)	0%	5.6	4,997	Common Stock
Charles G. Curtis	Director	Grant, award, or other acquisition of securities at price $ 0.00 per share.	28 Apr 2020	3,546	3,546	-		-	Restricted Stock Units
William F. Hughes	Director	Grant, award, or other acquisition of securities at price $ 5.64 per share.	28 Apr 2020	443	42,980 (0%)	0%	5.6	2,499	Common Stock
William F. Hughes	Director	Grant, award, or other acquisition of securities at price $ 0.00 per share.	28 Apr 2020	3,989	7,893	-		-	Restricted Stock Units
William F. Hughes	Director	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	31 Mar 2020	1,302	8,560 (0%)	0%		0	Common Stock
William F. Hughes	Director	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	31 Mar 2020	1,302	3,904	-		-	Restricted Stock Units
James R. Hazlett	VP - Technical Services	Payment of exercise price or tax liability using portion of securities received from the company at price $ 4.75 per share.	29 Mar 2020	1,977	63,647 (0%)	0%	4.8	9,391	Common Stock
Stephen C. Taylor	Chief Executive Officer	Payment of exercise price or tax liability using portion of securities received from the company at price $ 4.75 per share.	29 Mar 2020	13,211	391,307 (2%)	0%	4.7	62,752	Common Stock
Stephen C. Taylor	Chief Executive Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	29 Mar 2020	10,973	31,263	-		-	Restricted Stock Units
Stephen C. Taylor	Chief Executive Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	29 Mar 2020	10,973	93,025 (0%)	0%		0	Common Stock
James R. Hazlett	VP -- Technical Services	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	23 Mar 2020	5,000	1,333	-		-	Restricted Stock Units
James R. Hazlett	VP -- Technical Services	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	23 Mar 2020	5,000	17,667 (0%)	0%		0	Common Stock
James R. Hazlett	VP -- Technical Services	Payment of exercise price or tax liability using portion of securities received from the company at price $ 5.03 per share.	23 Mar 2020	567	65,624 (0%)	0%	5.0	2,852	Common Stock
James R. Hazlett	VP -- Technical Services	Payment of exercise price or tax liability using portion of securities received from the company at price $ 6.25 per share.	15 Mar 2020	1,601	66,191 (0%)	0%	6.2	10,006	Common Stock
James R. Hazlett	VP -- Technical Services	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	15 Mar 2020	1,334	6,333	-		-	Restricted Stock Units
James R. Hazlett	VP -- Technical Services	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	15 Mar 2020	1,334	12,667 (0%)	0%		0	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	15 Mar 2020	9,317	42,236	-		-	Restricted Stock Units
Stephen C. Taylor	Director, Chief Executive Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	15 Mar 2020	9,317	82,052 (0%)	0%		0	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Payment of exercise price or tax liability using portion of securities received from the company at price $ 6.25 per share.	15 Mar 2020	7,663	404,248 (3%)	0%	6.3	47,894	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	14 Feb 2020	21,139	51,553	-		-	Restricted Stock Units
Stephen C. Taylor	Director, Chief Executive Officer	Payment of exercise price or tax liability using portion of securities received from the company at price $ 10.62 per share.	14 Feb 2020	1,477	411,911 (3%)	0%	10.6	15,686	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	14 Feb 2020	21,139	72,735 (0%)	0%		0	Common Stock
William F. Hughes	Director	Exercise or conversion of derivative security received from the company (such as an option) at price $ 12.26 per share.	31 Dec 2019	916	7,258 (0%)	0%	12.3	11,230	Common Stock
William F. Hughes	Director	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	31 Dec 2019	916	5,206	-		-	Restricted Stock Units
G. Larry Lawrence	Chief Financial Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 11.18 per share.	15 Nov 2019	7,667	65,615 (0%)	0%	11.2	85,717	Common Stock
G. Larry Lawrence	Chief Financial Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	15 Nov 2019	7,667	0	-		-	Restricted Stock Units
G. Larry Lawrence	Chief Financial Officer	Payment of exercise price or tax liability using portion of securities received from the company at price $ 11.18 per share.	15 Nov 2019	8,054	57,948 (0%)	0%	11.2	90,044	Common Stock
William F. Hughes	Director	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	30 Sep 2019	916	6,122	-		-	Restricted Stock Units
William F. Hughes	Director	Exercise or conversion of derivative security received from the company (such as an option) at price $ 12.81 per share.	30 Sep 2019	916	6,342 (0%)	0%	12.8	11,734	Common Stock
William F. Hughes	Director	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	30 Jun 2019	917	7,038	-		-	Restricted Stock Units
William F. Hughes	Director	Exercise or conversion of derivative security received from the company (such as an option) at price $ 16.50 per share.	30 Jun 2019	917	5,426 (0%)	0%	16.5	15,131	Common Stock
G. Larry Lawrence	Chief Financial Officer	Grant, award, or other acquisition of securities at price $ 17.29 per share.	28 Jun 2019	20,000	66,002 (0%)	0%	17.3	345,800	Common Stock
James R. Hazlett	VP -- Technical Services	Grant, award, or other acquisition of securities at price $ 17.29 per share.	28 Jun 2019	20,000	67,792 (0%)	0%	17.3	345,800	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Grant, award, or other acquisition of securities at price $ 0.00 per share.	28 Jun 2019	32,919	72,692	-		-	Restricted Stock Units
Stephen C. Taylor	Director, Chief Executive Officer	Grant, award, or other acquisition of securities at price $ 17.29 per share.	28 Jun 2019	98,755	413,388 (3%)	0%	17.3	1,707,474	Common Stock
David L. Bradshaw	Director	Sale of securities on an exchange or to another person at price $ 14.98 per share.	04 Jun 2019	1,600	22,000 (0%)	0%	15.0	23,968	Common Stock
David L. Bradshaw	Director	Sale of securities on an exchange or to another person at price $ 15.20 per share.	04 Jun 2019	1,756	23,600 (0%)	0%	15.2	26,691	Common Stock
James R. Hazlett	VP -- Technical Services	Sale of securities on an exchange or to another person at price $ 17.77 per share.	22 Apr 2019	1,413	47,582 (0%)	0%	17.8	25,109	Common Stock
James R. Hazlett	VP -- Technical Services	Sale of securities on an exchange or to another person at price $ 17.79 per share.	22 Apr 2019	1,687	48,995 (0%)	0%	17.8	30,012	Common Stock
G. Larry Lawrence	Chief Financial Officer	Sale of securities on an exchange or to another person at price $ 18.25 per share.	08 Apr 2019	701	45,792 (0%)	0%	18.2	12,793	Common Stock
G. Larry Lawrence	Chief Financial Officer	Sale of securities on an exchange or to another person at price $ 18.42 per share.	08 Apr 2019	3,299	46,493 (0%)	0%	18.4	60,768	Common Stock
William F. Hughes	Director	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	31 Mar 2019	916	4,509 (0%)	0%		-	Common Stock
William F. Hughes	Director	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	31 Mar 2019	916	2,749	-		-	Restricted Stock Units
David L. Bradshaw	Director	Grant, award, or other acquisition of securities at price $ 17.29 per share.	29 Mar 2019	5,784	25,356 (0%)	0%	17.3	100,005	Common Stock
John William Chisholm	Director	Grant, award, or other acquisition of securities at price $ 17.29 per share.	29 Mar 2019	5,784	16,748 (0%)	0%	17.3	100,005	Common Stock
Charles G. Curtis	Director	Grant, award, or other acquisition of securities at price $ 17.29 per share.	29 Mar 2019	5,784	85,869 (0%)	0%	17.3	100,005	Common Stock
William F. Hughes	Director	Grant, award, or other acquisition of securities at price $ 0.00 per share.	29 Mar 2019	5,206	7,955	-		-	Restricted Stock Units
William F. Hughes	Director	Grant, award, or other acquisition of securities at price $ 17.29 per share.	29 Mar 2019	578	38,548 (0%)	0%	17.3	9,994	Common Stock
James R. Hazlett	VP -- Technical Services	Sale of securities on an exchange or to another person at price $ 17.07 per share.	28 Mar 2019	1,000	51,682 (0%)	0%	17.1	17,070	Common Stock
James R. Hazlett	VP -- Technical Services	Sale of securities on an exchange or to another person at price $ 17.57 per share.	28 Mar 2019	1,000	50,682 (0%)	0%	17.6	17,570	Common Stock
James R. Hazlett	VP -- Technical Services	Sale of securities on an exchange or to another person at price $ 17.14 per share.	28 Mar 2019	1,000	52,682 (0%)	0%	17.1	17,140	Common Stock
G. Larry Lawrence	Chief Financial Officer	Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share.	23 Mar 2019	616	49,792 (0%)	0%		0	Common Stock
G. Larry Lawrence	Chief Financial Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	23 Mar 2019	5,000	7,667	-		-	Restricted Stock Units
G. Larry Lawrence	Chief Financial Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	23 Mar 2019	5,000	11,333 (0%)	0%		-	Common Stock
James R. Hazlett	VP -- Technical Services	Payment of exercise price or tax liability using portion of securities received from the company at price $ 16.89 per share.	23 Mar 2019	616	55,682 (0%)	0%	16.9	10,404	Common Stock
James R. Hazlett	VP -- Technical Services	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	23 Mar 2019	5,000	7,667	-		-	Restricted Stock Units
James R. Hazlett	VP -- Technical Services	Sale of securities on an exchange or to another person at price $ 17.33 per share.	23 Mar 2019	1,000	53,682 (0%)	0%	17.3	17,330	Common Stock
James R. Hazlett	VP -- Technical Services	Sale of securities on an exchange or to another person at price $ 17.26 per share.	23 Mar 2019	1,000	54,682 (0%)	0%	17.3	17,260	Common Stock
James R. Hazlett	VP -- Technical Services	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	23 Mar 2019	5,000	11,333 (0%)	0%		-	Common Stock
G. Larry Lawrence	Chief Financial Officer	Payment of exercise price or tax liability using portion of securities received from the company at price $ 18.07 per share.	15 Mar 2019	1,742	50,408 (0%)	0%	18.1	31,478	Common Stock
G. Larry Lawrence	Chief Financial Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	15 Mar 2019	1,333	12,667	-		-	Restricted Stock Units
G. Larry Lawrence	Chief Financial Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	15 Mar 2019	1,333	6,333 (0%)	0%		-	Common Stock
James R. Hazlett	VP -- Technical Services	Payment of exercise price or tax liability using portion of securities received from the company at price $ 18.07 per share.	15 Mar 2019	1,736	56,298 (0%)	0%	18.1	31,370	Common Stock
James R. Hazlett	VP -- Technical Services	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	15 Mar 2019	1,333	6,333 (0%)	0%		-	Common Stock
James R. Hazlett	VP -- Technical Services	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	15 Mar 2019	1,333	12,667	-		-	Restricted Stock Units
Stephen C. Taylor	Director, CEO	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	15 Mar 2019	9,317	51,596 (0%)	0%		0	Common Stock
Stephen C. Taylor	Director, CEO	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	15 Mar 2019	9,317	39,773	-		-	Restricted Stock Units
Stephen C. Taylor	Director, CEO	Payment of exercise price or tax liability using portion of securities received from the company at price $ 18.07 per share.	15 Mar 2019	5,309	314,076 (2%)	0%	18.1	95,934	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Payment of exercise price or tax liability using portion of securities received from the company at price $ 18.04 per share.	14 Feb 2019	1,277	319,385 (2%)	0%	18.0	23,037	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	14 Feb 2019	21,140	49,090	-		-	Restricted Stock Units
Stephen C. Taylor	Director, Chief Executive Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	14 Feb 2019	21,140	42,279 (0%)	0%		0	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Sale of securities on an exchange or to another person at price $ 17.00 per share.	05 Feb 2019	2,720	320,662 (2%)	0%	17	46,240	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	05 Feb 2019	2,720	0	-		-	Employee Stock Option
Stephen C. Taylor	Director, Chief Executive Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 7.84 per share.	05 Feb 2019	2,720	323,382 (2%)	0%	7.8	21,325	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Sale of securities on an exchange or to another person at price $ 17.00 per share.	31 Jan 2019	18	320,662 (2%)	0%	17	306	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	31 Jan 2019	12,771	2,720	-		-	Employee Stock Option
Stephen C. Taylor	Director, Chief Executive Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	31 Jan 2019	18	15,491	-		-	Employee Stock Option
Stephen C. Taylor	Director, Chief Executive Officer	Sale of securities on an exchange or to another person at price $ 17.06 per share.	31 Jan 2019	12,771	320,662 (2%)	0%	17.1	217,873	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 7.84 per share.	31 Jan 2019	12,771	333,433 (2%)	0%	7.8	100,125	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 7.83 per share.	31 Jan 2019	18	320,680 (2%)	0%	7.8	141	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	28 Jan 2019	348	15,509	-		-	Employee Stock Option
Stephen C. Taylor	Director, Chief Executive Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	28 Jan 2019	4,905	15,857	-		-	Employee Stock Option
Stephen C. Taylor	Director, Chief Executive Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	28 Jan 2019	1,110	20,762	-		-	Employee Stock Option
Stephen C. Taylor	Director, Chief Executive Officer	Sale of securities on an exchange or to another person at price $ 17.00 per share.	28 Jan 2019	348	320,662 (2%)	0%	17	5,916	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 7.84 per share.	28 Jan 2019	348	321,010 (2%)	0%	7.8	2,728	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Sale of securities on an exchange or to another person at price $ 17.05 per share.	28 Jan 2019	4,905	320,662 (2%)	0%	17.0	83,630	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 7.84 per share.	28 Jan 2019	4,905	325,567 (2%)	0%	7.8	38,455	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Sale of securities on an exchange or to another person at price $ 17.00 per share.	28 Jan 2019	1,110	320,662 (2%)	0%	17	18,870	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 7.84 per share.	28 Jan 2019	1,110	321,772 (2%)	0%	7.8	8,702	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 9.95 per share.	23 Jan 2019	1,846	322,508 (2%)	0%	10.0	18,368	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	23 Jan 2019	1,980	21,872	-		-	Employee Stock Option
Stephen C. Taylor	Director, Chief Executive Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	23 Jan 2019	2,994	0	-		-	Employee Stock Option
Stephen C. Taylor	Director, Chief Executive Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	23 Jan 2019	1,205	2,994	-		-	Employee Stock Option
Stephen C. Taylor	Director, Chief Executive Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	23 Jan 2019	1,846	4,199	-		-	Employee Stock Option
Stephen C. Taylor	Director, Chief Executive Officer	Sale of securities on an exchange or to another person at price $ 17.14 per share.	23 Jan 2019	1,980	320,662 (2%)	0%	17.1	33,937	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 7.84 per share.	23 Jan 2019	1,980	322,642 (2%)	0%	7.8	15,523	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Sale of securities on an exchange or to another person at price $ 17.14 per share.	23 Jan 2019	2,994	320,662 (2%)	0%	17.1	51,317	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 9.95 per share.	23 Jan 2019	2,994	323,656 (2%)	0%	9.9	29,790	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Sale of securities on an exchange or to another person at price $ 17.00 per share.	23 Jan 2019	1,205	320,662 (2%)	0%	17	20,485	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 9.95 per share.	23 Jan 2019	1,205	321,867 (2%)	0%	10.0	11,990	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Sale of securities on an exchange or to another person at price $ 17.21 per share.	23 Jan 2019	1,846	320,662 (2%)	0%	17.2	31,770	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 9.95 per share.	17 Jan 2019	12,444	333,106 (2%)	0%	10.0	123,818	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 9.95 per share.	17 Jan 2019	10,311	330,973 (2%)	0%	9.9	102,594	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	17 Jan 2019	1,200	6,045	-		-	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	17 Jan 2019	12,444	7,245	-		-	Employee Stock Option
Stephen C. Taylor	Director, Chief Executive Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	17 Jan 2019	10,311	19,689	-		-	Employee Stock Option
Stephen C. Taylor	Director, Chief Executive Officer	Sale of securities on an exchange or to another person at price $ 17.48 per share.	17 Jan 2019	1,200	320,662 (2%)	0%	17.5	20,976	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 9.95 per share.	17 Jan 2019	1,200	321,862 (2%)	0%	10.0	11,940	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Sale of securities on an exchange or to another person at price $ 17.89 per share.	17 Jan 2019	12,444	320,662 (2%)	0%	17.9	222,623	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Sale of securities on an exchange or to another person at price $ 17.50 per share.	17 Jan 2019	10,311	320,662 (2%)	0%	17.5	180,443	Common Stock
John William Chisholm	Director	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	08 Jan 2019	2,500	0	-		-	Nonqualified Stock Option
John William Chisholm	Director	Exercise or conversion of derivative security received from the company (such as an option) at price $ 8.00 per share.	08 Jan 2019	2,500	13,464 (0%)	0%	8	20,000	Common Stock
John William Chisholm	Director	Sale of securities on an exchange or to another person at price $ 18.20 per share.	08 Jan 2019	2,500	10,964 (0%)	0%	18.2	45,500	Common Stock
William F. Hughes	None	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	31 Dec 2018	898	3,665	-		-	Restricted Stock Units
William F. Hughes	None	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	31 Dec 2018	898	3,593 (0%)	0%		0	Common Stock
William F. Hughes	None	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	30 Sep 2018	898	4,563	-		-	Restricted Stock Units
William F. Hughes	None	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	30 Sep 2018	898	2,695 (0%)	0%		0	Common Stock
Stephen C. Taylor	Director, CEO	Exercise or conversion of derivative security received from the company (such as an option) at price $ 17.51 per share.	06 Sep 2018	4,000	320,662 (2%)	0%	17.5	70,040	Common Stock
Stephen C. Taylor	Director, CEO	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	06 Sep 2018	5,000	0	-		-	Employee Stock Option
Stephen C. Taylor	Director, CEO	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	29 Aug 2018	13,776	4,000	-		-	Employee Stock Option
Stephen C. Taylor	Director, CEO	Sale of securities on an exchange or to another person at price $ 22.01 per share.	29 Aug 2018	13,776	316,662 (2%)	0%	22.0	303,210	Common Stock
Stephen C. Taylor	Director, CEO	Exercise or conversion of derivative security received from the company (such as an option) at price $ 17.51 per share.	29 Aug 2018	13,776	330,438 (2%)	0%	17.5	241,218	Common Stock
Stephen C. Taylor	Director, CEO	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	23 Aug 2018	3,320	17,776	-		-	Employee Stock Option
Stephen C. Taylor	Director, CEO	Exercise or conversion of derivative security received from the company (such as an option) at price $ 17.51 per share.	23 Aug 2018	3,320	319,982 (2%)	0%	17.5	58,133	Common Stock
Stephen C. Taylor	Director, CEO	Sale of securities on an exchange or to another person at price $ 22.51 per share.	23 Aug 2018	1,306	318,676 (2%)	0%	22.5	29,398	Common Stock
Stephen C. Taylor	Director, CEO	Sale of securities on an exchange or to another person at price $ 22.45 per share.	23 Aug 2018	1,500	317,176 (2%)	0%	22.5	33,675	Common Stock
Stephen C. Taylor	Director, CEO	Sale of securities on an exchange or to another person at price $ 22.04 per share.	23 Aug 2018	514	316,662 (2%)	0%	22.0	11,329	Common Stock
Stephen C. Taylor	Director, CEO	Sale of securities on an exchange or to another person at price $ 22.02 per share.	21 Aug 2018	2,704	316,662 (2%)	0%	22.0	59,542	Common Stock
Stephen C. Taylor	Director, CEO	Payment of exercise price or tax liability using portion of securities received from the company at price $ 22.02 per share.	21 Aug 2018	1,200	319,366 (2%)	0%	22.0	26,424	Common Stock
Stephen C. Taylor	Director, CEO	Exercise or conversion of derivative security received from the company (such as an option) at price $ 17.51 per share.	21 Aug 2018	3,904	320,566 (2%)	0%	17.5	68,359	Common Stock
Stephen C. Taylor	Director, CEO	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	21 Aug 2018	3,904	21,096	-		-	Employee Stock Option
William F. Hughes	None	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	30 Jun 2018	899	5,461	-		-	Restricted Stock Units
William F. Hughes	None	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	30 Jun 2018	899	1,797 (0%)	0%		0	Common Stock
William F. Hughes	None	Gift of securities by or to the insider at price $ 0.00 per share.	01 Jun 2018	4,300	106,200 (0%)	0%		0	Common Stock
G. Larry Lawrence	Chief Financial Officer	Payment of exercise price or tax liability using portion of securities received from the company at price $ 24.50 per share.	06 Apr 2018	2,711	52,150 (0%)	0%	24.5	66,420	Common Stock
James R. Hazlett	VP -- Technical Services	Payment of exercise price or tax liability using portion of securities received from the company at price $ 24.50 per share.	06 Apr 2018	2,735	58,034 (0%)	0%	24.5	67,008	Common Stock
William F. Hughes	None	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	31 Mar 2018	898	6,360	-		-	Restricted Stock Units
William F. Hughes	None	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	31 Mar 2018	898	898 (0%)	0%		0	Common Stock
John W. Chisholm	None	Sale of securities on an exchange or to another person at price $ 23.20 per share.	28 Mar 2018	4,511	10,964 (0%)	0%	23.2	104,655	Common Stock
G. Larry Lawrence	Chief Financial Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	23 Mar 2018	5,000	5,000 (0%)	0%		0	Common Stock
G. Larry Lawrence	Chief Financial Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	23 Mar 2018	5,000	14,000	-		-	Restricted Stock Units
G. Larry Lawrence	Chief Financial Officer	Payment of exercise price or tax liability using portion of securities received from the company at price $ 23.90 per share.	23 Mar 2018	617	54,861 (0%)	0%	23.9	14,746	Common Stock
John W. Chisholm	None	Sale of securities on an exchange or to another person at price $ 24.35 per share.	23 Mar 2018	2,750	29,154 (0%)	0%	24.4	66,963	Common Stock
John W. Chisholm	None	Sale of securities on an exchange or to another person at price $ 24.13 per share.	23 Mar 2018	4,110	25,044 (0%)	0%	24.1	99,174	Common Stock
John W. Chisholm	None	Sale of securities on an exchange or to another person at price $ 24.07 per share.	23 Mar 2018	9,569	15,475 (0%)	0%	24.1	230,326	Common Stock
James R. Hazlett	VP -- Technical Services	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	23 Mar 2018	5,000	5,000 (0%)	0%		0	Common Stock
James R. Hazlett	VP -- Technical Services	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	23 Mar 2018	5,000	14,000	-		-	Restricted Stock Units
James R. Hazlett	VP -- Technical Services	Payment of exercise price or tax liability using portion of securities received from the company at price $ 23.90 per share.	23 Mar 2018	513	60,769 (0%)	0%	23.9	12,261	Common Stock
David L. Bradshaw	None	Grant, award, or other acquisition of securities at price $ 24.55 per share.	15 Mar 2018	4,072	19,572 (0%)	0%	24.6	99,968	Common Stock
G. Larry Lawrence	Chief Financial Officer	Grant, award, or other acquisition of securities at price $ 0.00 per share.	15 Mar 2018	4,000	4,000	-		-	Restricted Stock Units
G. Larry Lawrence	Chief Financial Officer	Grant, award, or other acquisition of securities at price $ 24.55 per share.	15 Mar 2018	16,000	55,478 (0%)	0%	24.6	392,800	Common Stock
John W. Chisholm	None	Grant, award, or other acquisition of securities at price $ 24.55 per share.	15 Mar 2018	4,072	31,904 (0%)	0%	24.6	99,968	Common Stock
James R. Hazlett	VP -- Technical Services	Grant, award, or other acquisition of securities at price $ 24.55 per share.	15 Mar 2018	16,000	61,282 (0%)	0%	24.6	392,800	Common Stock
James R. Hazlett	VP -- Technical Services	Grant, award, or other acquisition of securities at price $ 0.00 per share.	15 Mar 2018	4,000	4,000	-		-	Restricted Stock Units
Stephen C. Taylor	Director, Chief Executive Officer	Grant, award, or other acquisition of securities at price $ 24.55 per share.	15 Mar 2018	56,749	316,662 (2%)	0%	24.6	1,393,188	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Grant, award, or other acquisition of securities at price $ 0.00 per share.	15 Mar 2018	27,951	27,951	-		-	Restricted Stock Units
Charles G. Curtis	None	Grant, award, or other acquisition of securities at price $ 24.55 per share.	15 Mar 2018	4,072	80,085 (0%)	0%	24.6	99,968	Common Stock
William F. Hughes	None	Grant, award, or other acquisition of securities at price $ 24.55 per share.	15 Mar 2018	407	37,970 (0%)	0%	24.6	9,992	Common Stock
William F. Hughes	None	Grant, award, or other acquisition of securities at price $ 0.00 per share.	15 Mar 2018	3,665	3,665	-		-	Restricted Stock Units
David L. Bradshaw	None	Sale of securities on an exchange or to another person at price $ 27.11 per share.	13 Mar 2018	647	17,353 (0%)	0%	27.1	17,540	Common Stock
David L. Bradshaw	None	Sale of securities on an exchange or to another person at price $ 27.35 per share.	13 Mar 2018	1,853	15,500 (0%)	0%	27.4	50,680	Common Stock
Stephen C. Taylor	Director, CEO	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	14 Feb 2018	21,139	21,139 (0%)	0%		0	Common Stock
Stephen C. Taylor	Director, CEO	Payment of exercise price or tax liability using portion of securities received from the company at price $ 26.30 per share.	14 Feb 2018	1,278	259,913 (2%)	0%	26.3	33,611	Common Stock
Stephen C. Taylor	Director, CEO	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	14 Feb 2018	21,139	42,279	-		-	Restricted Stock Units
James R. Hazlett	VP -- Technical Services	Exercise or conversion of derivative security received from the company (such as an option) at price $ 17.51 per share.	25 Jan 2018	102	45,384 (0%)	0%	17.5	1,786	Common Stock
James R. Hazlett	VP -- Technical Services	Sale of securities on an exchange or to another person at price $ 28.90 per share.	25 Jan 2018	102	45,282 (0%)	0%	28.9	2,948	Common Stock
James R. Hazlett	VP -- Technical Services	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	25 Jan 2018	102	0	-		-	Employee Stock Option
James R. Hazlett	VP -- Technical Services	Sale of securities on an exchange or to another person at price $ 29.00 per share.	22 Jan 2018	513	44,430 (0%)	0%	29	14,877	Common Stock
James R. Hazlett	VP -- Technical Services	Exercise or conversion of derivative security received from the company (such as an option) at price $ 17.51 per share.	22 Jan 2018	979	45,922 (0%)	0%	17.5	17,142	Common Stock
James R. Hazlett	VP -- Technical Services	Sale of securities on an exchange or to another person at price $ 28.90 per share.	22 Jan 2018	198	44,943 (0%)	0%	28.9	5,722	Common Stock
James R. Hazlett	VP -- Technical Services	Exercise or conversion of derivative security received from the company (such as an option) at price $ 17.51 per share.	22 Jan 2018	198	45,141 (0%)	0%	17.5	3,467	Common Stock
James R. Hazlett	VP -- Technical Services	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	22 Jan 2018	200	102	-		-	Employee Stock Option
James R. Hazlett	VP -- Technical Services	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	22 Jan 2018	979	302	-		-	Employee Stock Option
James R. Hazlett	VP -- Technical Services	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	22 Jan 2018	198	1,281	-		-	Employee Stock Option
James R. Hazlett	VP -- Technical Services	Sale of securities on an exchange or to another person at price $ 28.90 per share.	22 Jan 2018	200	44,430 (0%)	0%	28.9	5,780	Common Stock
James R. Hazlett	VP -- Technical Services	Exercise or conversion of derivative security received from the company (such as an option) at price $ 17.51 per share.	22 Jan 2018	200	44,630 (0%)	0%	17.5	3,502	Common Stock
James R. Hazlett	VP -- Technical Services	Sale of securities on an exchange or to another person at price $ 28.95 per share.	22 Jan 2018	979	44,943 (0%)	0%	28.9	28,342	Common Stock
James R. Hazlett	VP -- Technical Services	Sale of securities on an exchange or to another person at price $ 29.01 per share.	17 Jan 2018	1,349	45,282 (0%)	0%	29.0	39,134	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Payment of exercise price or tax liability using portion of securities received from the company at price $ 27.40 per share.	06 Jan 2018	15,897	261,191 (2%)	0%	27.4	435,578	Common Stock
John William Chisholm	Director	Grant, award, or other acquisition of securities at price $ 20.48 per share.	27 Dec 2017	2,500	29,232 (0%)	0%	20.5	51,200	Common Stock
John William Chisholm	Director	Sale of securities on an exchange or to another person at price $ 26.05 per share.	27 Dec 2017	1,400	27,832 (0%)	0%	26.1	36,470	Common Stock
John William Chisholm	Director	Sale of securities on an exchange or to another person at price $ 26.05 per share.	27 Dec 2017	2,500	26,732 (0%)	0%	26.1	65,125	Common Stock
John William Chisholm	Director	Grant, award, or other acquisition of securities at price $ 19.61 per share.	27 Dec 2017	2,500	29,232 (0%)	0%	19.6	49,025	Common Stock
John William Chisholm	Director	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	27 Dec 2017	2,500	0	-		-	Nonqualified Stock Option
John William Chisholm	Director	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	27 Dec 2017	2,500	0	-		-	Nonqualified Stock Option
Charles G. Curtis	Director	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	21 Dec 2017	2,500	0	-		-	Nonqualified Stock Option
Charles G. Curtis	Director	Grant, award, or other acquisition of securities at price $ 20.48 per share.	21 Dec 2017	2,500	76,013 (0%)	0%	20.5	51,200	Common Stock
G. Larry Lawrence	Chief Financial Officer	Sale of securities on an exchange or to another person at price $ 25.23 per share.	19 Dec 2017	6,000	39,478 (0%)	0%	25.2	151,380	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Grant, award, or other acquisition of securities at price $ 20.06 per share.	19 Dec 2017	16,212	293,300 (2%)	0%	20.1	325,213	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Sale of securities on an exchange or to another person at price $ 25.17 per share.	19 Dec 2017	16,212	277,088 (2%)	0%	25.2	408,056	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	19 Dec 2017	16,212	0	-		-	Employee Stock Option
Charles G. Curtis	Director	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	11 Dec 2017	2,500	0	-		-	Nonqualified Stock Option
Charles G. Curtis	Director	Exercise or conversion of derivative security received from the company (such as an option) at price $ 19.61 per share.	11 Dec 2017	2,500	73,513 (0%)	0%	19.6	49,025	Common Stock
Stephen C. Taylor	Director, CEO	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	03 Oct 2017	3,874	16,212	-		-	Employee Stock Option
Stephen C. Taylor	Director, CEO	Grant, award, or other acquisition of securities at price $ 20.06 per share.	03 Oct 2017	3,874	280,962 (2%)	0%	20.1	77,712	Common Stock
Stephen C. Taylor	Director, CEO	Sale of securities on an exchange or to another person at price $ 28.58 per share.	03 Oct 2017	3,874	277,088 (2%)	0%	28.6	110,719	Common Stock
James R. Hazlett	VP -- Technical Services	Sale of securities on an exchange or to another person at price $ 28.04 per share.	26 Sep 2017	2,543	47,832 (0%)	0%	28.0	71,306	Common Stock
James R. Hazlett	VP -- Technical Services	Sale of securities on an exchange or to another person at price $ 28.01 per share.	26 Sep 2017	9,807	50,375 (0%)	0%	28.0	274,694	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Sale of securities on an exchange or to another person at price $ 25.00 per share.	30 Jun 2017	4,843	284,245 (2%)	0%	25	121,075	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Sale of securities on an exchange or to another person at price $ 24.99 per share.	30 Jun 2017	7,157	277,088 (2%)	0%	25.0	178,853	Common Stock
David L. Bradshaw	Director	Sale of securities on an exchange or to another person at price $ 23.60 per share.	20 Jun 2017	2,540	18,000 (0%)	0%	23.6	59,944	Common Stock
John William Chisholm	Director	Other type of transaction at price $ 0.00 per share.	08 Jun 2017	8,792	4,212 (0%)	0%		0	Common Stock
William F. Hughes	Director	Sale of securities on an exchange or to another person at price $ 26.86 per share.	05 Jun 2017	1,500	37,563 (0%)	0%	26.9	40,290	Common Stock
James R. Hazlett	VP - Technical Services	Sale of securities on an exchange or to another person at price $ 28.01 per share.	02 May 2017	400	60,182 (0%)	0%	28.0	11,204	Common Stock
G. Larry Lawrence	Chief Financial Officer	Payment of exercise price or tax liability using portion of securities received from the company at price $ 27.50 per share.	11 Apr 2017	2,743	45,478 (0%)	0%	27.5	75,433	Common Stock
James R. Hazlett	VP -- Technical Services	Payment of exercise price or tax liability using portion of securities received from the company at price $ 27.50 per share.	11 Apr 2017	2,758	60,582 (0%)	0%	27.5	75,845	Common Stock
James R. Hazlett	VP -- Technical Services	Sale of securities on an exchange or to another person at price $ 28.52 per share.	11 Apr 2017	2,550	63,340 (0%)	0%	28.5	72,726	Common Stock
David L. Bradshaw	Director	Grant, award, or other acquisition of securities at price $ 25.05 per share.	23 Mar 2017	3,992	20,540 (0%)	0%	25.1	100,000	Common Stock
G. Larry Lawrence	Chief Financial Officer	Grant, award, or other acquisition of securities at price $ 25.05 per share.	23 Mar 2017	5,000	48,221 (0%)	0%	25.1	125,250	Common Stock
G. Larry Lawrence	Chief Financial Officer	Grant, award, or other acquisition of securities at price $ 0.00 per share.	23 Mar 2017	15,000	15,000	-		-	Restricted Stock Unit
John William Chisholm	Director	Grant, award, or other acquisition of securities at price $ 25.05 per share.	23 Mar 2017	3,992	26,732 (0%)	0%	25.1	100,000	Common Stock
James R. Hazlett	VP -- Technical Services	Grant, award, or other acquisition of securities at price $ 25.05 per share.	23 Mar 2017	5,000	65,890 (0%)	0%	25.1	125,250	Common Stock
James R. Hazlett	VP -- Technical Services	Grant, award, or other acquisition of securities at price $ 0.00 per share.	23 Mar 2017	15,000	15,000	-		-	Restricted Stock Unit
Charles G. Curtis	Director	Grant, award, or other acquisition of securities at price $ 25.05 per share.	23 Mar 2017	3,992	71,013 (0%)	0%	25.1	100,000	Common Stock
William F. Hughes	Director	Grant, award, or other acquisition of securities at price $ 0.00 per share.	23 Mar 2017	3,593	3,593	-		-	Restricted Stock Unit
William F. Hughes	Director	Grant, award, or other acquisition of securities at price $ 25.05 per share.	23 Mar 2017	399	39,063 (0%)	0%	25.1	9,995	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Grant, award, or other acquisition of securities at price $ 0.00 per share.	14 Feb 2017	17,616	17,616	-		-	Restricted Stock Units
Stephen C. Taylor	Director, Chief Executive Officer	Grant, award, or other acquisition of securities at price $ 28.65 per share.	14 Feb 2017	52,848	350,586 (2%)	0%	28.6	1,514,095	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 20.06 per share.	11 Jan 2017	19,914	297,738 (2%)	0%	20.1	399,475	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	11 Jan 2017	19,914	20,086	-		-	Employee Stock Option
Stephen C. Taylor	Director, Chief Executive Officer	Payment of exercise price or tax liability using portion of securities received from the company at price $ 31.35 per share.	06 Jan 2017	15,696	334,890 (2%)	0%	31.4	492,070	Common Stock
Stephen C. Taylor	Director, CEO	Payment of exercise price or tax liability using portion of securities received from the company at price $ 31.35 per share.	06 Jan 2017	15,696	289,088 (2%)	0%	31.4	492,070	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Sale of securities on an exchange or to another person at price $ 31.93 per share.	03 Jan 2017	6,188	277,824 (2%)	0%	31.9	197,583	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Sale of securities on an exchange or to another person at price $ 32.00 per share.	03 Jan 2017	1,700	284,012 (2%)	0%	32	54,400	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Sale of securities on an exchange or to another person at price $ 32.02 per share.	03 Jan 2017	6,052	285,712 (2%)	0%	32.0	193,785	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Sale of securities on an exchange or to another person at price $ 32.79 per share.	03 Jan 2017	2,079	291,764 (2%)	0%	32.8	68,170	Common Stock
Stephen C. Taylor	Director, Chief Executive Officer	Sale of securities on an exchange or to another person at price $ 32.07 per share.	03 Jan 2017	3,895	293,843 (2%)	0%	32.1	124,913	Common Stock
John W. Chisholm	None	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	29 Dec 2016	2,500	0	-		-	Nonqualified Stock Option
John W. Chisholm	None	Sale of securities on an exchange or to another person at price $ 0.00 per share.	29 Dec 2016	1,100	22,740	-		-	Common Stock
John W. Chisholm	None	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	29 Dec 2016	2,500	23,840	-		-	Common Stock
Charles G. Curtis	None	Sale of securities on an exchange or to another person at price $ 0.00 per share.	09 Dec 2016	8,000	67,021	-		-	Common Stock
James R. Hazlett	VP - Technical Services	Sale of securities on an exchange or to another person at price $ 0.00 per share.	22 Nov 2016	3,333	60,890	-		-	Common Stock
G. Larry Lawrence	Chief Financial Officer	Sale of securities on an exchange or to another person at price $ 0.00 per share.	17 Nov 2016	8,000	43,221	-		-	Common Stock
Charles G. Curtis	None	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	11 Nov 2016	2,500	0	-		-	Non-Qualified Stock Option
Charles G. Curtis	None	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	11 Nov 2016	2,500	75,021	-		-	Common Stock
James R. Hazlett	VP -- Technical Services	Sale of securities on an exchange or to another person at price $ 0.00 per share.	23 Jun 2016	3,500	64,223	-		-	Common Stock
David L. Bradshaw	None	Sale of securities on an exchange or to another person at price $ 0.00 per share.	23 Jun 2016	2,500	16,548	-		-	Common Stock
Charles G. Curtis	None	Grant, award, or other acquisition of securities at price $ 0.00 per share.	06 Apr 2016	5,884	72,521	-		-	Common Stock
William F. Hughes	None	Grant, award, or other acquisition of securities at price $ 0.00 per share.	06 Apr 2016	5,884	28,664	-		-	Common Stock
John W. Chisholm	None	Grant, award, or other acquisition of securities at price $ 0.00 per share.	06 Apr 2016	5,884	22,164	-		-	Common Stock
James R. Hazlett	Vice President-Technical Svcs.	Grant, award, or other acquisition of securities at price $ 0.00 per share.	06 Apr 2016	20,000	74,856	-		-	Common Stock
G. Larry Lawrence	Chief Financial Officer	Grant, award, or other acquisition of securities at price $ 0.00 per share.	06 Apr 2016	20,000	56,845	-		-	Common Stock
David L. Bradshaw	None	Grant, award, or other acquisition of securities at price $ 0.00 per share.	06 Apr 2016	5,884	19,666	-		-	Common Stock
Stephen C. Taylor	Director, President and CEO	Sale of securities on an exchange or to another person at price $ 0.00 per share.	22 Mar 2016	15,000	332,543	-		-	Common Stock
Stephen C. Taylor	Director, President and CEO	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	22 Mar 2016	15,000	0	-		-	Nonstatutory Stock Option (right to buy)
Stephen C. Taylor	Director, President and CEO	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	22 Mar 2016	15,000	347,543	-		-	Common Stock
James R. Hazlett	VP -- Technical Services	Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share.	19 Mar 2016	5,633	67,723	-		-	Common Stock
G. Larry Lawrence	CFO & VP	Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share.	19 Mar 2016	5,624	51,221	-		-	Common Stock
Stephen C. Taylor	Director, CEO & President	Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share.	18 Jan 2016	34,805	297,738	-		-	Common Stock
Stephen C. Taylor	Director, President and CEO	Grant, award, or other acquisition of securities at price $ 0.00 per share.	06 Jan 2016	75,915	332,543	-		-	Common Stock
G. Larry Lawrence	Chief Financial Officer	Sale of securities on an exchange or to another person at price $ 0.00 per share.	18 Dec 2015	8,000	36,845	-		-	Common Stock
James R. Hazlett	Vice President-Technical Svcs.	Sale of securities on an exchange or to another person at price $ 0.00 per share.	17 Dec 2015	1,000	56,856	-		-	Common Stock
James R. Hazlett	Vice President-Technical Svcs.	Sale of securities on an exchange or to another person at price $ 0.00 per share.	17 Dec 2015	2,000	54,856	-		-	Common Stock
James R. Hazlett	Vice President-Technical Svcs.	Sale of securities on an exchange or to another person at price $ 0.00 per share.	17 Dec 2015	1,500	53,356	-		-	Common Stock
James R. Hazlett	Vice President-Technical Svcs.	Sale of securities on an exchange or to another person at price $ 0.00 per share.	15 Dec 2015	1,000	62,922	-		-	Common Stock
James R. Hazlett	Vice President-Technical Svcs.	Sale of securities on an exchange or to another person at price $ 0.00 per share.	15 Dec 2015	1,000	61,922	-		-	Common Stock
Charles G. Curtis	None	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	04 Dec 2015	2,500	0	-		-	Nonqualified Stock Option (right to buy)
Charles G. Curtis	None	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	04 Dec 2015	2,500	66,637	-		-	Common Stock
William F. Hughes	None	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	14 Sep 2015	2,500	0	-		-	Nonqualfied Stock Option
William F. Hughes	None	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	14 Sep 2015	2,500	0	-		-	Nonqualified Stock Option
William F. Hughes	None	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	14 Sep 2015	5,000	0	-		-	Nonqualfied Stock Option
William F. Hughes	None	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	14 Sep 2015	2,500	31,164	-		-	Common Stock
William F. Hughes	None	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	14 Sep 2015	2,500	33,664	-		-	Common Stock
William F. Hughes	None	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	14 Sep 2015	5,000	38,664	-		-	Common Stock
John W. Chisholm	None	Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share.	30 Jun 2015	206	21,752	-		-	Common Stock
John W. Chisholm	None	Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share.	30 Jun 2015	206	21,546	-		-	Common Stock
John W. Chisholm	None	Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share.	30 Jun 2015	206	21,340	-		-	Common Stock
James R. Hazlett	Vice President-Technical Svcs.	Sale of securities on an exchange or to another person at price $ 0.00 per share.	30 Jun 2015	2,500	63,922	-		-	Common Stock
David L. Bradshaw	None	Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share.	30 Jun 2015	206	19,460	-		-	Common Stock
David L. Bradshaw	None	Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share.	30 Jun 2015	206	19,254	-		-	Common Stock
David L. Bradshaw	None	Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share.	30 Jun 2015	206	19,048	-		-	Common Stock
James R. Hazlett	Vice President-Technical Svcs.	Sale of securities on an exchange or to another person at price $ 0.00 per share.	19 Jun 2015	2,500	66,422	-		-	Common Stock
James R. Hazlett	Vice President-Technical Svcs.	Sale of securities on an exchange or to another person at price $ 0.00 per share.	17 Jun 2015	3,372	68,922	-		-	Common Stock
James R. Hazlett	Vice President-Technical Svcs.	Sale of securities on an exchange or to another person at price $ 0.00 per share.	10 Jun 2015	6,628	68,228	-		-	Common Stock
Stephen C. Taylor	Director, President and CEO	Sale of securities on an exchange or to another person at price $ 0.00 per share.	31 Mar 2015	4,000	267,546	-		-	Common Stock
John W. Chisholm	None	Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share.	31 Mar 2015	206	16,074	-		-	Common Stock
David L. Bradshaw	None	Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share.	31 Mar 2015	206	13,782	-		-	Common Stock
Stephen C. Taylor	Director, President and CEO	Sale of securities on an exchange or to another person at price $ 0.00 per share.	30 Mar 2015	2,115	265,431	-		-	Common Stock
Stephen C. Taylor	Director, President and CEO	Sale of securities on an exchange or to another person at price $ 0.00 per share.	27 Mar 2015	1,000	271,546	-		-	Common Stock
Stephen C. Taylor	Director, President and CEO	Sale of securities on an exchange or to another person at price $ 0.00 per share.	24 Mar 2015	2,309	272,546	-		-	Common Stock
G. Larry Lawrence	Chief Financial Officer	Sale of securities on an exchange or to another person at price $ 0.00 per share.	24 Mar 2015	10,000	50,000	-		-	Common Stock
Charles G. Curtis	None	Grant, award, or other acquisition of securities at price $ 0.00 per share.	19 Mar 2015	5,492	64,137	-		-	Common Stock
William F. Hughes	None	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	19 Mar 2015	2,500	0	-		-	Nonqualified Stock Option (right to buy)
William F. Hughes	None	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	19 Mar 2015	2,500	0	-		-	Nonqualified Stock Option (right to buy)
William F. Hughes	None	Grant, award, or other acquisition of securities at price $ 0.00 per share.	19 Mar 2015	5,492	17,720	-		-	Common Stock
William F. Hughes	None	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	19 Mar 2015	2,500	20,220	-		-	Common Stock
William F. Hughes	None	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	19 Mar 2015	2,500	22,720	-		-	Common Stock
John W. Chisholm	None	Grant, award, or other acquisition of securities at price $ 0.00 per share.	19 Mar 2015	5,492	16,280	-		-	Common Stock
James R. Hazlett	Vice President-Technical Svcs.	Grant, award, or other acquisition of securities at price $ 0.00 per share.	19 Mar 2015	20,000	80,010	-		-	Common Stock
G. Larry Lawrence	Chief Financial Officer	Grant, award, or other acquisition of securities at price $ 0.00 per share.	19 Mar 2015	20,000	60,000	-		-	Common Stock
David L. Bradshaw	None	Grant, award, or other acquisition of securities at price $ 0.00 per share.	19 Mar 2015	5,492	13,988	-		-	Common Stock
Stephen C. Taylor	Director, President and CEO	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	18 Mar 2015	45,000	0	-		-	Nonstatutory Stock Option (right to buy)
Stephen C. Taylor	Director, President and CEO	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	18 Mar 2015	45,000	319,855	-		-	Common Stock
Stephen C. Taylor	Director, President and CEO	Sale of securities on an exchange or to another person at price $ 0.00 per share.	18 Mar 2015	28,256	291,599	-		-	Common Stock
Stephen C. Taylor	Director, President and CEO	Sale of securities on an exchange or to another person at price $ 0.00 per share.	18 Mar 2015	5,000	286,599	-		-	Common Stock
James R. Hazlett	Vice President-Technical Svcs.	Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share.	25 Jan 2015	1,088	78,922	-		-	Common Stock
James R. Hazlett	Vice President-Technical Svcs.	Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share.	25 Jan 2015	4,066	74,856	-		-	Common Stock
G. Larry Lawrence	Chief Financial Officer	Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share.	25 Jan 2015	1,088	48,912	-		-	Common Stock
G. Larry Lawrence	Chief Financial Officer	Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share.	25 Jan 2015	4,067	44,845	-		-	Common Stock
Stephen C. Taylor	Director, President and CEO	Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.00 per share.	23 Jan 2015	20,547	244,884	-		-	Common Stock
Stephen C. Taylor	Director, President and CEO	Grant, award, or other acquisition of securities at price $ 0.00 per share.	16 Jan 2015	83,590	274,855	-		-	Common Stock
Charles G. Curtis	None	Grant, award, or other acquisition of securities at price $ 0.00 per share.	20 Mar 2014	3,288	58,645	-		-	Common Stock
William F. Hughes	None	Grant, award, or other acquisition of securities at price $ 0.00 per share.	20 Mar 2014	3,288	12,288	-		-	Common Stock
John W. Chisholm	None	Grant, award, or other acquisition of securities at price $ 0.00 per share.	20 Mar 2014	3,288	10,788	-		-	Common Stock
James R. Hazlett	Vice President-Technical Svcs.	Grant, award, or other acquisition of securities at price $ 0.00 per share.	20 Mar 2014	15,000	60,010	-		-	Common Stock
G. Larry Lawrence	Chief Financial Officer	Grant, award, or other acquisition of securities at price $ 0.00 per share.	20 Mar 2014	15,000	40,000	-		-	Common Stock
David L. Bradshaw	None	Grant, award, or other acquisition of securities at price $ 0.00 per share.	20 Mar 2014	3,288	8,496	-		-	Common Stock
Stephen C. Taylor	Director, President and CEO	Grant, award, or other acquisition of securities at price $ 0.00 per share.	23 Jan 2014	49,420	191,265	-		-	Common Stock
Charles G. Curtis	None	Gift of securities by or to the insider at price $ 0.00 per share.	31 Dec 2013	4,000	55,357	-		-	Common Stock
James R. Hazlett	Vice President-Technical Svcs.	Sale of securities on an exchange or to another person at price $ 0.00 per share.	05 Dec 2013	89	49,921	-		-	Common Stock
James R. Hazlett	Vice President-Technical Svcs.	Sale of securities on an exchange or to another person at price $ 0.00 per share.	05 Dec 2013	100	49,821	-		-	Common Stock
James R. Hazlett	Vice President-Technical Svcs.	Sale of securities on an exchange or to another person at price $ 0.00 per share.	05 Dec 2013	200	49,621	-		-	Common Stock
James R. Hazlett	Vice President-Technical Svcs.	Sale of securities on an exchange or to another person at price $ 0.00 per share.	05 Dec 2013	300	49,321	-		-	Common Stock
James R. Hazlett	Vice President-Technical Svcs.	Sale of securities on an exchange or to another person at price $ 0.00 per share.	05 Dec 2013	147	49,174	-		-	Common Stock
James R. Hazlett	Vice President-Technical Svcs.	Sale of securities on an exchange or to another person at price $ 0.00 per share.	05 Dec 2013	4,164	45,010	-		-	Common Stock
William F. Hughes	None	Sale of securities on an exchange or to another person at price $ 0.00 per share.	05 Sep 2013	20,000	110,500	-		-	Common Stock
William F. Hughes	None	Sale of securities on an exchange or to another person at price $ 0.00 per share.	14 May 2013	20,000	130,500	-		-	Common Stock
Stephen C. Taylor	Director, President and CEO	Grant, award, or other acquisition of securities at price $ 0.00 per share.	30 Apr 2013	56,950	141,845	-		-	Common Stock
Charles G. Curtis	None	Grant, award, or other acquisition of securities at price $ 0.00 per share.	21 Mar 2013	2,500	59,357	-		-	Common Stock
William F. Hughes	None	Grant, award, or other acquisition of securities at price $ 0.00 per share.	21 Mar 2013	2,500	9,000	-		-	Common Stock
John W. Chisholm	None	Grant, award, or other acquisition of securities at price $ 0.00 per share.	21 Mar 2013	2,500	7,500	-		-	Common Stock
James R. Hazlett	Vice President-Technical Svcs.	Grant, award, or other acquisition of securities at price $ 0.00 per share.	21 Mar 2013	10,000	50,010	-		-	Common Stock
G. Larry Lawrence	Chief Financial Officer	Grant, award, or other acquisition of securities at price $ 0.00 per share.	21 Mar 2013	10,000	25,000	-		-	Common Stock
David L. Bradshaw	None	Grant, award, or other acquisition of securities at price $ 0.00 per share.	21 Mar 2013	2,500	5,208	-		-	Common Stock
James R. Hazlett	Vice President-Technical Svcs.	Sale of securities on an exchange or to another person at price $ 0.00 per share.	18 Mar 2013	5,000	40,010	-		-	Common Stock
Charles G. Curtis	None	Gift of securities by or to the insider at price $ 0.00 per share.	31 Dec 2012	12,000	46,857	-		-	Common Stock
Kenneth V. Huseman	None	Grant, award, or other acquisition of securities at price $ 0.00 per share.	12 Dec 2012	1,667	11,167	-		-	Common Stock
David L. Bradshaw	None	Grant, award, or other acquisition of securities at price $ 0.00 per share.	12 Dec 2012	208	2,708	-		-	Common Stock
William F. Hughes	None	Sale of securities on an exchange or to another person at price $ 0.00 per share.	03 Dec 2012	20,000	150,500	-		-	Common Stock
Charles G. Curtis	None	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	30 Jul 2012	2,500	0	-		-	Nonqualified Stock Option (right to buy)
Charles G. Curtis	None	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	30 Jul 2012	2,500	0	-		-	Nonqualified Stock Option (right to buy)
Charles G. Curtis	None	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	30 Jul 2012	2,500	0	-		-	Nonqualified Stock Option (right to buy)
Charles G. Curtis	None	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	30 Jul 2012	2,500	0	-		-	Nonqualified Stock Option (right to buy)
Charles G. Curtis	None	Grant, award, or other acquisition of securities at price $ 0.00 per share.	30 Jul 2012	2,500	49,357	-		-	Common Stock
Charles G. Curtis	None	Grant, award, or other acquisition of securities at price $ 0.00 per share.	30 Jul 2012	2,500	51,857	-		-	Common Stock
Charles G. Curtis	None	Grant, award, or other acquisition of securities at price $ 0.00 per share.	30 Jul 2012	2,500	54,357	-		-	Common Stock
Charles G. Curtis	None	Grant, award, or other acquisition of securities at price $ 0.00 per share.	30 Jul 2012	2,500	56,857	-		-	Common Stock
William F. Hughes	None	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	21 May 2012	2,500	0	-		-	Nonqualified Stock Option (right to buy)
William F. Hughes	None	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	21 May 2012	2,500	0	-		-	Nonqualified Stock Option (right to buy)
William F. Hughes	None	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	21 May 2012	2,500	0	-		-	Nonqualified Stock Option (right to buy)
William F. Hughes	None	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	21 May 2012	2,500	9,000	-		-	Common Stock
William F. Hughes	None	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	21 May 2012	2,500	11,500	-		-	Common Stock
William F. Hughes	None	Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share.	21 May 2012	2,500	14,000	-		-	Common Stock
William F. Hughes	None	Sale of securities on an exchange or to another person at price $ 0.00 per share.	21 May 2012	200	13,800	-		-	Common Stock
William F. Hughes	None	Sale of securities on an exchange or to another person at price $ 0.00 per share.	21 May 2012	400	13,400	-		-	Common Stock
William F. Hughes	None	Sale of securities on an exchange or to another person at price $ 0.00 per share.	21 May 2012	600	12,800	-		-	Common Stock
William F. Hughes	None	Sale of securities on an exchange or to another person at price $ 0.00 per share.	21 May 2012	200	12,600	-		-	Common Stock
William F. Hughes	None	Sale of securities on an exchange or to another person at price $ 0.00 per share.	21 May 2012	400	12,200	-		-	Common Stock
William F. Hughes	None	Sale of securities on an exchange or to another person at price $ 0.00 per share.	21 May 2012	900	11,300	-		-	Common Stock
William F. Hughes	None	Sale of securities on an exchange or to another person at price $ 0.00 per share.	21 May 2012	800	10,500	-		-	Common Stock
William F. Hughes	None	Sale of securities on an exchange or to another person at price $ 0.00 per share.	21 May 2012	600	9,900	-		-	Common Stock
William F. Hughes	None	Sale of securities on an exchange or to another person at price $ 0.00 per share.	21 May 2012	800	9,100	-		-	Common Stock
William F. Hughes	None	Sale of securities on an exchange or to another person at price $ 0.00 per share.	21 May 2012	100	9,000	-		-	Common Stock
William F. Hughes	None	Sale of securities on an exchange or to another person at price $ 0.00 per share.	21 May 2012	100	8,900	-		-	Common Stock
William F. Hughes	None	Sale of securities on an exchange or to another person at price $ 0.00 per share.	21 May 2012	200	8,700	-		-	Common Stock
William F. Hughes	None	Sale of securities on an exchange or to another person at price $ 0.00 per share.	21 May 2012	300	8,400	-		-	Common Stock
William F. Hughes	None	Sale of securities on an exchange or to another person at price $ 0.00 per share.	21 May 2012	800	7,600	-		-	Common Stock

*All Values are in $ Million

Client Category: Promoter/ KMP/ Director / Immediate Relatives / Employee / etc
Security Type: Share/ Warrants / Convertible Debentures

Data as reported to USA Exchanges

View All The Insider Trades disclosures

27.57% Fall from 52W High

Insider Trading disclosures for Natural Gas Services Group, Inc.

The latest disclosure was made by Justin C. Jacobs in Natural Gas Services Group, Inc. where a trade of 35,087 Restricted Stock Units done was reported to US exchanges on March 13, 2025.

Screeners based on Insider Trading and SAST parameters