C.H. Chen's Insider Trades & SAST Disclosures

C.H. Chen's most recent trade in ACM Research Inc - Ordinary Shares - Class A was a trade of 163,308 Class A Common Stock done at an average price of $30 . Disclosure was reported to the exchange on March 17, 2025.

Stock Client Name Client Category Action Reported to Exchange Quantity Post Transaction Holding Traded % Avg. Price Value Security Type
ACM Research Inc - Ordinar...
Chenming C. Hu Director Sale of securities on an exchange or to another person at price $ 30.00 per share. 17 Mar 2025 163,308 100,002 (0%) 0% 30 4,899,240 Class A Common Stock
Ambarella Inc
Chenming C. Hu Director Grant, award, or other acquisition of securities at price $ 0.00 per share. 29 Aug 2024 3,374 27,018 (0%) 0% 0 Ordinary Shares
ACM Research Inc - Ordinar...
Chenming C. Hu Director Grant, award, or other acquisition of securities at price $ 0.00 per share. 12 Aug 2024 20,000 20,000 - - Stock Option
Zoetis Inc - Ordinary Shar...
Heidi C. Chen Executive Vice President Grant, award, or other acquisition of securities at price $ 0.00 per share. 05 Apr 2024 318 9,695 - - Phantom Stock Unit
Zoetis Inc - Ordinary Shar...
Heidi C. Chen Executive Vice President Grant, award, or other acquisition of securities at price $ 0.00 per share. 28 Mar 2024 455 9,377 - - Phantom Stock Unit
Zoetis Inc - Ordinary Shar...
C. Chen Heidi Executive Vice President Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 10 Feb 2024 3,169 0 - - Performance Award Unit
Zoetis Inc - Ordinary Shar...
Heidi Chen C. Executive Vice President Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 10 Feb 2024 3,169 32,379 (0%) 0% - Common Stock
Zoetis Inc - Ordinary Shar...
Chen C. Heidi Executive Vice President Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 10 Feb 2024 2,108 1,673 - - Restricted Stock Unit
Zoetis Inc - Ordinary Shar...
Chen C. Heidi Executive Vice President Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 10 Feb 2024 2,108 30,027 (0%) 0% - Common Stock
Zoetis Inc - Ordinary Shar...
C. Heidi Chen Executive Vice President Payment of exercise price or tax liability using portion of securities received from the company at price $ 197.32 per share. 10 Feb 2024 1,086 31,293 (0%) 0% 197.3 214,290 Common Stock
Zoetis Inc - Ordinary Shar...
Heidi C. Chen Executive Vice President Payment of exercise price or tax liability using portion of securities received from the company at price $ 197.32 per share. 10 Feb 2024 817 29,210 (0%) 0% 197.3 161,210 Common Stock
Zoetis Inc - Ordinary Shar...
Heidi Chen C. Executive Vice President Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 08 Feb 2024 707 28,185 (0%) 0% - Common Stock
Zoetis Inc - Ordinary Shar...
C. Chen Heidi Executive Vice President Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 08 Feb 2024 707 1,416 - - Restricted Stock Unit
Zoetis Inc - Ordinary Shar...
C. Chen Heidi Executive Vice President Payment of exercise price or tax liability using portion of securities received from the company at price $ 195.75 per share. 08 Feb 2024 266 27,919 (0%) 0% 195.8 52,070 Common Stock
Zoetis Inc - Ordinary Shar...
Chen Heidi C. Executive Vice President Grant, award, or other acquisition of securities at price $ 0.00 per share. 06 Feb 2024 6,936 6,936 - - Stock Option
Zoetis Inc - Ordinary Shar...
C. Heidi Chen Executive Vice President Grant, award, or other acquisition of securities at price $ 0.00 per share. 06 Feb 2024 1,803 1,803 - - Restricted Stock Unit
Zoetis Inc - Ordinary Shar...
C. Chen Heidi Executive Vice President Grant, award, or other acquisition of securities at price $ 0.00 per share. 05 Feb 2024 3,169 3,169 - - Performance Award Unit
Zoetis Inc - Ordinary Shar...
Heidi Chen C. Executive Vice President Grant, award, or other acquisition of securities at price $ 0.00 per share. 12 Jan 2024 115 8,922 - - Phantom Stock Unit
Forte Biosciences Inc
Chen Hubert C. See remarks Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 01 Jan 2024 7,500 90,000 - - Restricted Stock Units
Forte Biosciences Inc
Hubert C. Chen See remarks Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 01 Jan 2024 7,500 96,478 - 0 Common Stock
Forte Biosciences Inc
Hubert Chen C. See remarks Payment of exercise price or tax liability using portion of securities received from the company at price $ 0.82 per share. 01 Jan 2024 3,073 93,405 - 0.8 2,525 Common Stock
Zoetis Inc - Ordinary Shar...
Heidi C. Chen Executive Vice President Grant, award, or other acquisition of securities at price $ 0.00 per share. 06 Oct 2023 152 8,806 - - Phantom Stock Unit
Zoetis Inc - Ordinary Shar...
Heidi C. Chen Executive Vice President Sale of securities on an exchange or to another person at price $ 180.15 per share. 15 Sep 2023 9,905 27,478 (0%) 0% 180.2 1,784,386 Common Stock
ACM Research Inc - Ordinar...
Chenming C. Hu Director Grant, award, or other acquisition of securities at price $ 0.00 per share. 10 Aug 2023 24,000 24,000 - - Stock Option
Forte Biosciences Inc
Hubert C. Chen See remarks Grant, award, or other acquisition of securities at price $ 1.01 per share. 31 Jul 2023 74,257 84,071 - 1.0 75,000 Common Stock
Zoetis Inc - Ordinary Shar...
Heidi C. Chen Executive Vice President Grant, award, or other acquisition of securities at price $ 0.00 per share. 14 Jul 2023 133 8,653 - - Phantom Stock Unit
Forte Biosciences Inc
Hubert C. Chen See remarks Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 01 Jul 2023 7,500 12,407 - 0 Common Stock
Forte Biosciences Inc
Hubert C. Chen See remarks Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 01 Jul 2023 7,500 105,000 - - Restricted Stock Units
Forte Biosciences Inc
Hubert C. Chen See remarks Payment of exercise price or tax liability using portion of securities received from the company at price $ 1.04 per share. 01 Jul 2023 2,593 9,814 - 1.0 2,697 Common Stock
Ambarella Inc
Chenming C. Hu Director Grant, award, or other acquisition of securities at price $ 0.00 per share. 15 Jun 2023 1,559 20,426 (0%) 0% 0 Ordinary Shares
Zoetis Inc - Ordinary Shar...
Heidi C. Chen Executive Vice President Grant, award, or other acquisition of securities at price $ 0.00 per share. 06 Apr 2023 144 8,519 - - Phantom Stock Unit
Forte Biosciences Inc
Hubert C. Chen See remarks Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 01 Apr 2023 7,500 112,500 - - Restricted Stock Units
Forte Biosciences Inc
Hubert C. Chen See remarks Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 01 Apr 2023 7,500 7,500 - 0 Common Stock
Forte Biosciences Inc
Hubert C. Chen See remarks Payment of exercise price or tax liability using portion of securities received from the company at price $ 1.01 per share. 01 Apr 2023 2,593 4,907 - 1.0 2,619 Common Stock
Zoetis Inc - Ordinary Shar...
Heidi C. Chen Executive Vice President Grant, award, or other acquisition of securities at price $ 0.00 per share. 31 Mar 2023 542 8,375 - - Phantom Stock Unit
Ambarella Inc
Chenming C. Hu Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 15 Mar 2023 779 18,867 (0%) 0% - Ordinary Shares
Ambarella Inc
Chenming C. Hu Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 15 Mar 2023 779 1,559 - - Restricted Stock Units
Forte Biosciences Inc
Hubert C. Chen See remarks Grant, award, or other acquisition of securities at price $ 0.00 per share. 25 Feb 2023 120,000 120,000 - - Restricted Stock Units
Zoetis Inc - Ordinary Shar...
Heidi C. Chen Executive Vice President Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 11 Feb 2023 2,841 38,385 (0%) 0% - Common Stock
Zoetis Inc - Ordinary Shar...
Heidi C. Chen Executive Vice President Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 11 Feb 2023 2,841 0 - - Performance Award Unit
Zoetis Inc - Ordinary Shar...
Heidi C. Chen Executive Vice President Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 11 Feb 2023 2,299 36,299 (0%) 0% - Common Stock
Zoetis Inc - Ordinary Shar...
Heidi C. Chen Executive Vice President Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 11 Feb 2023 2,299 3,748 - - Restricted Stock Unit
Zoetis Inc - Ordinary Shar...
Heidi C. Chen Executive Vice President Payment of exercise price or tax liability using portion of securities received from the company at price $ 158.33 per share. 11 Feb 2023 1,002 37,383 (0%) 0% 158.3 158,647 Common Stock
Zoetis Inc - Ordinary Shar...
Heidi C. Chen Executive Vice President Payment of exercise price or tax liability using portion of securities received from the company at price $ 158.33 per share. 11 Feb 2023 755 35,544 (0%) 0% 158.3 119,539 Common Stock
Zoetis Inc - Ordinary Shar...
Heidi C. Chen Executive Vice President Grant, award, or other acquisition of securities at price $ 0.00 per share. 08 Feb 2023 7,834 7,834 - - Stock Option
Zoetis Inc - Ordinary Shar...
Heidi C. Chen Executive Vice President Grant, award, or other acquisition of securities at price $ 0.00 per share. 08 Feb 2023 2,841 2,841 - - Performance Award Unit
Zoetis Inc - Ordinary Shar...
Heidi C. Chen Executive Vice President Grant, award, or other acquisition of securities at price $ 0.00 per share. 08 Feb 2023 2,105 2,105 - - Restricted Stock Unit
Zoetis Inc - Ordinary Shar...
Heidi C. Chen Executive Vice President Grant, award, or other acquisition of securities at price $ 0.00 per share. 13 Jan 2023 139 7,832 - - Phantom Stock Unit
Ambarella Inc
Chenming C. Hu Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 16 Dec 2022 779 2,338 - - Restricted Stock Units
Ambarella Inc
Chenming C. Hu Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 16 Dec 2022 779 18,088 (0%) 0% - Ordinary Shares
Zoetis Inc - Ordinary Shar...
Heidi C. Chen Executive Vice President Grant, award, or other acquisition of securities at price $ 0.00 per share. 07 Oct 2022 177 7,693 - - Phantom Stock Unit
Ambarella Inc
Chenming C. Hu Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 16 Sep 2022 377 0 - - Restricted Stock Units
Ambarella Inc
Chenming C. Hu Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 16 Sep 2022 377 17,309 (0%) 0% - Ordinary Shares
Ambarella Inc
Chenming C. Hu Director Grant, award, or other acquisition of securities at price $ 0.00 per share. 01 Sep 2022 3,117 3,117 - - Restricted Stock Units
Zoetis Inc - Ordinary Shar...
Heidi C. Chen Executive Vice President Grant, award, or other acquisition of securities at price $ 0.00 per share. 15 Jul 2022 151 7,516 - - Phantom Stock Unit
ACM Research Inc - Ordinar...
Chenming C. Hu Director Grant, award, or other acquisition of securities at price $ 0.00 per share. 30 Jun 2022 24,000 24,000 - - Stock Option
Ambarella Inc
Chenming C. Hu Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 16 Jun 2022 377 377 - - Restricted Stock Units
Ambarella Inc
Chenming C. Hu Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 16 Jun 2022 377 16,932 (0%) 0% - Ordinary Shares
Forte Biosciences Inc
Hubert C. Chen See remarks Grant, award, or other acquisition of securities at price $ 0.00 per share. 07 Jun 2022 250,000 250,000 - - Stock Option (right to buy)
Zoetis Inc - Ordinary Shar...
Heidi C. Chen Executive Vice President Grant, award, or other acquisition of securities at price $ 0.00 per share. 08 Apr 2022 388 7,365 - - Phantom Stock Unit
Zoetis Inc - Ordinary Shar...
Heidi C. Chen Executive Vice President Grant, award, or other acquisition of securities at price $ 0.00 per share. 30 Mar 2022 898 6,977 - - Phantom Stock Unit
Ambarella Inc
Chenming C. Hu Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 16 Mar 2022 377 16,555 (0%) 0% - Ordinary Shares
Ambarella Inc
Chenming C. Hu Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 16 Mar 2022 377 754 - - Restricted Stock Units
Ambarella Inc
Chenming C. Hu Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 38.92 per share. 25 Feb 2022 5,555 16,178 (0%) 0% 38.9 216,201 Ordinary Shares
Ambarella Inc
Chenming C. Hu Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 25 Feb 2022 5,555 0 - - Non-Qualified Stock Option (right to buy)
Zoetis Inc - Ordinary Shar...
Heidi C. Chen Executive Vice President Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 12 Feb 2022 13,025 0 - - Performance Award Unit
Zoetis Inc - Ordinary Shar...
Heidi C. Chen Executive Vice President Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 12 Feb 2022 13,025 39,678 (0%) 0% - Common Stock
Zoetis Inc - Ordinary Shar...
Heidi C. Chen Executive Vice President Payment of exercise price or tax liability using portion of securities received from the company at price $ 198.87 per share. 12 Feb 2022 5,678 34,000 (0%) 0% 198.9 1,129,184 Common Stock
Zoetis Inc - Ordinary Shar...
Heidi C. Chen Executive Vice President Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 12 Feb 2022 3,776 27,871 (0%) 0% - Common Stock
Zoetis Inc - Ordinary Shar...
Heidi C. Chen Executive Vice President Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 12 Feb 2022 3,776 5,999 - - Restricted Stock Unit
Zoetis Inc - Ordinary Shar...
Heidi C. Chen Executive Vice President Payment of exercise price or tax liability using portion of securities received from the company at price $ 198.87 per share. 12 Feb 2022 1,218 26,653 (0%) 0% 198.9 242,224 Common Stock
Zoetis Inc - Ordinary Shar...
Heidi C. Chen Executive Vice President Grant, award, or other acquisition of securities at price $ 0.00 per share. 08 Feb 2022 13,025 13,025 - - Performance Award Unit
Zoetis Inc - Ordinary Shar...
Heidi C. Chen Executive Vice President Grant, award, or other acquisition of securities at price $ 0.00 per share. 08 Feb 2022 6,477 39,737 - - Stock Option
Zoetis Inc - Ordinary Shar...
Heidi C. Chen Executive Vice President Grant, award, or other acquisition of securities at price $ 0.00 per share. 08 Feb 2022 1,645 9,776 - - Restricted Stock Unit
Zoetis Inc - Ordinary Shar...
Heidi C. Chen Executive Vice President Grant, award, or other acquisition of securities at price $ 0.00 per share. 14 Jan 2022 111 6,078 - - Phantom Stock Unit
Ambarella Inc
Chenming C. Hu Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 16 Dec 2021 377 1,131 - - Restricted Stock Units
Ambarella Inc
Chenming C. Hu Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 16 Dec 2021 377 10,623 (0%) 0% - Ordinary Shares
Diodes, Inc.
C.H. Chen Director Sale of securities on an exchange or to another person at price $ 110.30 per share. 19 Nov 2021 4,000 25,000 (0%) 0% 110.3 441,200 Diodes Incorporated Common Stock
Diodes, Inc.
C.H. Chen Director Sale of securities on an exchange or to another person at price $ 109.39 per share. 15 Nov 2021 14,804 29,000 (0%) 0% 109.4 1,619,454 Diodes Incorporated Common Stock
Diodes, Inc.
C.H. Chen Director Sale of securities on an exchange or to another person at price $ 108.30 per share. 15 Nov 2021 3,000 44,000 (0%) 0% 108.3 324,900 Diodes Incorporated Common Stock
Diodes, Inc.
C.H. Chen Director Sale of securities on an exchange or to another person at price $ 108.17 per share. 15 Nov 2021 3,000 47,000 (0%) 0% 108.2 324,517 Diodes Incorporated Common Stock
Diodes, Inc.
C.H. Chen Director Sale of securities on an exchange or to another person at price $ 108.76 per share. 15 Nov 2021 196 43,804 (0%) 0% 108.8 21,317 Diodes Incorporated Common Stock
Zoetis Inc - Ordinary Shar...
Heidi C. Chen Executive Vice President Sale of securities on an exchange or to another person at price $ 220.00 per share. 09 Nov 2021 9,446 24,095 (0%) 0% 220 2,078,120 Common Stock
Zoetis Inc - Ordinary Shar...
Heidi C. Chen Executive Vice President Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 09 Nov 2021 9,446 33,260 - - Stock Option
Zoetis Inc - Ordinary Shar...
Heidi C. Chen Executive Vice President Exercise or conversion of derivative security received from the company (such as an option) at price $ 73.24 per share. 09 Nov 2021 9,446 33,541 (0%) 0% 73.2 691,825 Common Stock
Zoetis Inc - Ordinary Shar...
Heidi C. Chen Executive Vice President Sale of securities on an exchange or to another person at price $ 210.22 per share. 25 Oct 2021 9,446 24,095 (0%) 0% 210.2 1,985,738 Common Stock
Zoetis Inc - Ordinary Shar...
Heidi C. Chen Executive Vice President Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 25 Oct 2021 9,446 42,706 - - Stock Option
Zoetis Inc - Ordinary Shar...
Heidi C. Chen Executive Vice President Exercise or conversion of derivative security received from the company (such as an option) at price $ 73.24 per share. 25 Oct 2021 9,446 33,541 (0%) 0% 73.2 691,825 Common Stock
Zoetis Inc - Ordinary Shar...
Heidi C. Chen Executive Vice President Grant, award, or other acquisition of securities at price $ 0.00 per share. 08 Oct 2021 134 5,967 - - Phantom Stock Unit
Ambarella Inc
Chenming C. Hu Director Sale of securities on an exchange or to another person at price $ 160.00 per share. 22 Sep 2021 3,666 10,246 (0%) 0% 160 586,560 Ordinary Shares
Ambarella Inc
Chenming C. Hu Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 16 Sep 2021 959 0 - - Restricted Stock Units
Ambarella Inc
Chenming C. Hu Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 16 Sep 2021 959 13,912 (0%) 0% - Ordinary Shares
Ambarella Inc
Chenming C. Hu Director Sale of securities on an exchange or to another person at price $ 140.00 per share. 09 Sep 2021 4,000 12,953 (0%) 0% 140 560,000 Ordinary Shares
Diodes, Inc.
C.H. Chen Director Sale of securities on an exchange or to another person at price $ 96.65 per share. 07 Sep 2021 50,000 50,000 (0%) 0% 96.6 4,832,265 Diodes Incorporated Common Stock
Ambarella Inc
Chenming C. Hu Director Grant, award, or other acquisition of securities at price $ 0.00 per share. 02 Sep 2021 1,508 1,508 - - Restricted Stock Units
Ambarella Inc
Chenming C. Hu Director Sale of securities on an exchange or to another person at price $ 120.00 per share. 01 Sep 2021 4,000 16,953 (0%) 0% 120 480,000 Ordinary Shares
Zoetis Inc - Ordinary Shar...
Heidi C. Chen Executive Vice President Grant, award, or other acquisition of securities at price $ 0.00 per share. 16 Jul 2021 133 5,832 - - Phantom Stock Unit
Ambarella Inc
Chenming C. Hu Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 16 Jun 2021 958 20,953 (0%) 0% - Ordinary Shares
Ambarella Inc
Chenming C. Hu Director Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. 16 Jun 2021 958 959 - - Restricted Stock Units
Zoetis Inc - Ordinary Shar...
Heidi C. Chen Executive Vice President Gift of securities by or to the insider at price $ 0.00 per share. 04 Jun 2021 550 24,095 (0%) 0% 0 Common Stock
Diodes, Inc.
C.H. Chen Director Grant, award, or other acquisition of securities at price $ 0.00 per share. 24 May 2021 4,250 98,629 (0%) 0% 0 Diodes Incorporated 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
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