David Schaeffer's most recent trade in Cogent Communications Holdings Inc was a trade of 45,000 common stock done at an average price of $47.1 . Disclosure was reported to the exchange on June 16, 2025.
| Stock | Client Name | Client Category | Action | Reported to Exchange | Quantity | Post Transaction Holding | Traded % | Avg. Price | Value | Security Type |
|---|---|---|---|---|---|---|---|---|---|---|
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT | Sale of securities on an exchange or to another person at price $ 47.14 per share. | 16 Jun 2025 | 45,000 | 3,381,721 (7%) | 0% | 47.1 | 2,121,242 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT | Sale of securities on an exchange or to another person at price $ 47.05 per share. | 16 Jun 2025 | 25,000 | 3,356,721 (7%) | 0% | 47.1 | 1,176,368 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT | Sale of securities on an exchange or to another person at price $ 47.42 per share. | 13 Jun 2025 | 45,000 | 3,436,721 (7%) | 0% | 47.4 | 2,133,842 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT | Sale of securities on an exchange or to another person at price $ 47.34 per share. | 13 Jun 2025 | 10,000 | 3,426,721 (7%) | 0% | 47.3 | 473,362 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT | Sale of securities on an exchange or to another person at price $ 47.87 per share. | 12 Jun 2025 | 45,000 | 3,491,721 (7%) | 0% | 47.9 | 2,154,024 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT | Sale of securities on an exchange or to another person at price $ 47.83 per share. | 12 Jun 2025 | 10,000 | 3,481,721 (7%) | 0% | 47.8 | 478,348 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT | Sale of securities on an exchange or to another person at price $ 48.55 per share. | 11 Jun 2025 | 45,000 | 3,546,721 (7%) | 0% | 48.5 | 2,184,624 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT | Sale of securities on an exchange or to another person at price $ 48.35 per share. | 11 Jun 2025 | 10,000 | 3,536,721 (7%) | 0% | 48.4 | 483,511 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT | Sale of securities on an exchange or to another person at price $ 48.70 per share. | 10 Jun 2025 | 40,000 | 3,606,721 (7%) | 0% | 48.7 | 1,947,996 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT | Sale of securities on an exchange or to another person at price $ 48.63 per share. | 10 Jun 2025 | 15,000 | 3,591,721 (7%) | 0% | 48.6 | 729,494 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT | Sale of securities on an exchange or to another person at price $ 48.51 per share. | 09 Jun 2025 | 40,000 | 3,661,721 (7%) | 0% | 48.5 | 1,940,468 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT | Sale of securities on an exchange or to another person at price $ 48.99 per share. | 09 Jun 2025 | 15,000 | 3,646,721 (7%) | 0% | 49.0 | 734,879 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT | Sale of securities on an exchange or to another person at price $ 47.78 per share. | 06 Jun 2025 | 50,000 | 3,731,721 (7%) | 0% | 47.8 | 2,388,820 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT | Sale of securities on an exchange or to another person at price $ 47.78 per share. | 06 Jun 2025 | 30,000 | 3,701,721 (7%) | 0% | 47.8 | 1,433,304 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT | Sale of securities on an exchange or to another person at price $ 47.29 per share. | 05 Jun 2025 | 40,000 | 3,816,721 (8%) | 0% | 47.3 | 1,891,532 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT | Sale of securities on an exchange or to another person at price $ 47.31 per share. | 05 Jun 2025 | 35,000 | 3,781,721 (8%) | 0% | 47.3 | 1,655,784 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT | Sale of securities on an exchange or to another person at price $ 47.76 per share. | 04 Jun 2025 | 50,000 | 3,881,721 (8%) | 0% | 47.8 | 2,388,040 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT | Sale of securities on an exchange or to another person at price $ 47.76 per share. | 04 Jun 2025 | 25,000 | 3,856,721 (8%) | 0% | 47.8 | 1,193,943 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT | Sale of securities on an exchange or to another person at price $ 47.00 per share. | 03 Jun 2025 | 50,000 | 3,946,721 (8%) | 0% | 47.0 | 2,349,985 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT | Sale of securities on an exchange or to another person at price $ 46.86 per share. | 03 Jun 2025 | 15,000 | 3,931,721 (8%) | 0% | 46.9 | 702,882 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT | Sale of securities on an exchange or to another person at price $ 46.38 per share. | 02 Jun 2025 | 50,000 | 4,011,721 (8%) | 0% | 46.4 | 2,319,135 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT | Sale of securities on an exchange or to another person at price $ 46.13 per share. | 02 Jun 2025 | 15,000 | 3,996,721 (8%) | 0% | 46.1 | 692,006 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT | Sale of securities on an exchange or to another person at price $ 45.90 per share. | 30 May 2025 | 25,000 | 4,061,721 (8%) | 0% | 45.9 | 1,147,425 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT | Sale of securities on an exchange or to another person at price $ 46.90 per share. | 29 May 2025 | 25,000 | 4,086,721 (8%) | 0% | 46.9 | 1,172,593 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT | Sale of securities on an exchange or to another person at price $ 47.41 per share. | 28 May 2025 | 20,000 | 4,111,721 (8%) | 0% | 47.4 | 948,174 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT | Sale of securities on an exchange or to another person at price $ 48.67 per share. | 27 May 2025 | 20,000 | 4,131,721 (8%) | 0% | 48.7 | 973,322 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT | Sale of securities on an exchange or to another person at price $ 46.93 per share. | 23 May 2025 | 25,000 | 4,151,721 (8%) | 0% | 46.9 | 1,173,318 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT | Sale of securities on an exchange or to another person at price $ 46.27 per share. | 22 May 2025 | 25,000 | 4,176,721 (8%) | 0% | 46.3 | 1,156,768 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT | Sale of securities on an exchange or to another person at price $ 46.81 per share. | 21 May 2025 | 40,000 | 4,201,721 (8%) | 0% | 46.8 | 1,872,248 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT | Sale of securities on an exchange or to another person at price $ 49.96 per share. | 20 May 2025 | 15,000 | 4,241,721 (9%) | 0% | 50.0 | 749,348 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT | Sale of securities on an exchange or to another person at price $ 51.00 per share. | 16 May 2025 | 15,000 | 4,256,721 (9%) | 0% | 51.0 | 764,925 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT | Sale of securities on an exchange or to another person at price $ 50.38 per share. | 15 May 2025 | 40,000 | 4,271,721 (9%) | 0% | 50.4 | 2,015,036 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT | Sale of securities on an exchange or to another person at price $ 50.64 per share. | 14 May 2025 | 30,000 | 4,311,721 (9%) | 0% | 50.6 | 1,519,140 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT | Sale of securities on an exchange or to another person at price $ 50.45 per share. | 12 May 2025 | 42,628 | 4,341,721 (9%) | 0% | 50.4 | 2,150,442 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT | Sale of securities on an exchange or to another person at price $ 50.10 per share. | 12 May 2025 | 11,372 | 4,384,349 (9%) | 0% | 50.1 | 569,790 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT | Sale or transfer of securities back to the company at price $ 0.00 per share. | 04 Apr 2025 | 48,317 | 4,395,721 (9%) | 0% | 0 | common stock | |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT | Sale of securities on an exchange or to another person at price $ 71.77 per share. | 04 Mar 2025 | 60,000 | 4,444,038 (9%) | 0% | 71.8 | 4,305,978 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 14 Jan 2025 | 96,000 | 4,504,038 (9%) | 0% | 0 | common stock | |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 14 Jan 2025 | 84,000 | 4,408,038 (9%) | 0% | 0 | common stock | |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT | Sale or transfer of securities back to the company at price $ 75.88 per share. | 16 Dec 2024 | 20,000 | 4,228,038 (9%) | 0% | 75.9 | 1,517,548 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT | Sale of securities on an exchange or to another person at price $ 83.76 per share. | 25 Nov 2024 | 35,636 | 4,272,402 (9%) | 0% | 83.8 | 2,984,943 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT | Sale of securities on an exchange or to another person at price $ 82.68 per share. | 25 Nov 2024 | 24,364 | 4,248,038 (9%) | 0% | 82.7 | 2,014,537 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT, Ten Percent Owner | Sale of securities on an exchange or to another person at price $ 71.75 per share. | 10 Sep 2024 | 65,000 | 4,308,038 (9%) | 0% | 71.7 | 4,663,555 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT, Ten Percent Owner | Sale of securities on an exchange or to another person at price $ 72.82 per share. | 27 Aug 2024 | 60,000 | 4,373,038 (9%) | 0% | 72.8 | 4,368,960 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT, Ten Percent Owner | Sale of securities on an exchange or to another person at price $ 51.78 per share. | 14 Jun 2024 | 60,000 | 4,433,038 (9%) | 0% | 51.8 | 3,106,830 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT, Ten Percent Owner | Sale of securities on an exchange or to another person at price $ 54.60 per share. | 12 Jun 2024 | 60,000 | 4,493,038 (9%) | 0% | 54.6 | 3,276,000 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT, Ten Percent Owner | Sale of securities on an exchange or to another person at price $ 59.44 per share. | 13 May 2024 | 50,000 | 4,553,038 (9%) | 0% | 59.4 | 2,972,000 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT, Ten Percent Owner | Sale or transfer of securities back to the company at price $ 0.00 per share. | 01 Apr 2024 | 50,165 | 4,603,038 (9%) | 0% | 0 | common stock | |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT, Ten Percent Owner | Sale of securities on an exchange or to another person at price $ 64.21 per share. | 15 Mar 2024 | 26,174 | 4,653,203 (9%) | 0% | 64.2 | 1,680,633 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT, Ten Percent Owner | Sale of securities on an exchange or to another person at price $ 67.52 per share. | 14 Mar 2024 | 30,000 | 4,679,377 (9%) | 0% | 67.5 | 2,025,600 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT, Ten Percent Owner | Sale or transfer of securities back to the company at price $ 68.12 per share. | 12 Mar 2024 | 50,000 | 4,709,377 (10%) | 0% | 68.1 | 3,406,000 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT, Ten Percent Owner | Sale of securities on an exchange or to another person at price $ 68.12 per share. | 12 Mar 2024 | 50,000 | 4,709,377 (10%) | 0% | 68.1 | 3,406,000 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT, Ten Percent Owner | Sale or transfer of securities back to the company at price $ 67.93 per share. | 11 Mar 2024 | 35,000 | 4,759,377 (10%) | 0% | 67.9 | 2,377,550 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT, Ten Percent Owner | Sale of securities on an exchange or to another person at price $ 67.93 per share. | 11 Mar 2024 | 35,000 | 4,759,377 (10%) | 0% | 67.9 | 2,377,550 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT, Ten Percent Owner | Sale or transfer of securities back to the company at price $ 0.00 per share. | 06 Mar 2024 | 21,387 | 4,794,377 (10%) | 0% | 0 | common stock | |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT, Ten Percent Owner | Sale of securities on an exchange or to another person at price $ 72.55 per share. | 06 Mar 2024 | 8,826 | 4,815,764 (10%) | 0% | 72.5 | 640,326 | common stock |
| Cogent Communications Hold... | Schaeffer David | Director, CHAIRMAN, CEO, AND PRESIDENT, Ten Percent Owner | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 03 Jan 2024 | 96,000 | 4,920,590 (10%) | 0% | 0 | common stock | |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT, Ten Percent Owner | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 03 Jan 2024 | 84,000 | 4,824,590 (10%) | 0% | 0 | common stock | |
| Cogent Communications Hold... | Schaeffer David | Director, CHAIRMAN, CEO, AND PRESIDENT, Ten Percent Owner | Sale of securities on an exchange or to another person at price $ 69.99 per share. | 13 Dec 2023 | 20,000 | 4,740,590 (10%) | 0% | 70.0 | 1,399,800 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT, Ten Percent Owner | Sale of securities on an exchange or to another person at price $ 62.44 per share. | 08 Jun 2023 | 7,061 | 4,948,781 (10%) | 0% | 62.4 | 440,878 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT, Ten Percent Owner | Sale of securities on an exchange or to another person at price $ 62.30 per share. | 06 Jun 2023 | 42,334 | 4,955,842 (10%) | 0% | 62.3 | 2,637,459 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT, Ten Percent Owner | Sale of securities on an exchange or to another person at price $ 62.25 per share. | 06 Jun 2023 | 25,605 | 4,998,176 (10%) | 0% | 62.3 | 1,593,914 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, CHAIRMAN, CEO, AND PRESIDENT, Ten Percent Owner | Sale of securities on an exchange or to another person at price $ 65.38 per share. | 10 May 2023 | 35,000 | 5,023,781 (10%) | 0% | 65.4 | 2,288,370 | common stock |
| Cogent Communications Hold... | David Schaeffer | Director, Chairman, President & CEO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 03 Jan 2023 | 88,000 | 5,058,781 (10%) | 0% | 0 | common stock | |
| Cogent Communications Hold... | David Schaeffer | Director, Chairman, President & CEO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 03 Jan 2023 | 72,000 | 4,970,781 (10%) | 0% | 0 | common stock | |
| Cogent Communications Hold... | David Schaeffer | Director, Chairman, President & CEO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 03 Jan 2022 | 88,000 | 4,898,781 (10%) | 0% | 0 | common stock | |
| Cogent Communications Hold... | David Schaeffer | Director, Chairman, President & CEO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 03 Jan 2022 | 72,000 | 4,810,781 (10%) | 0% | 0 | common stock | |
| Cogent Communications Hold... | David Schaeffer | Director, Chairman, President & CEO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 24 Feb 2021 | 105,000 | 4,738,781 (10%) | 0% | 0 | common stock | |
| Cogent Communications Hold... | David Schaeffer | Director, Chairman, President & CEO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 24 Feb 2021 | 84,000 | 4,633,781 (9%) | 0% | 0 | common stock | |
| Cogent Communications Hold... | David Schaeffer | Director, Chairman, President & CEO | Sale or transfer of securities back to the company at price $ 0.00 per share. | 18 Jan 2021 | 15,951 | 4,549,781 (9%) | 0% | 0 | common stock |