The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Schaeffer Dave since 2023.
This trader's CIK number is 1166976.
At the time of last reporting, Schaeffer Dave was the CHAIRMAN, CEO, AND PRESIDENT of Cogent Communications Holdings, Inc.. (stock ticker symbol CCOI).
Also see all insider trading activities at Cogent Communications Holdings, Inc..
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2025 | CCOI | 0 | $0 | 909,000 | $43,565,327 | 0 | $0 |
| 2024 | CCOI | 0 | $0 | 420,000 | $27,733,411 | 0 | $0 |
| 2023 | CCOI | 0 | $0 | 318,191 | $20,871,215 | 0 | $0 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-06-16 | CCOI | Sale | 70,000 | 47.10 | 3,296,790 |
| 2025-06-13 | CCOI | Sale | 55,000 | 47.38 | 2,605,735 |
| 2025-06-12 | CCOI | Sale | 55,000 | 47.85 | 2,631,805 |
| 2025-06-11 | CCOI | Sale | 55,000 | 48.45 | 2,664,695 |
| 2025-06-10 | CCOI | Sale | 55,000 | 48.67 | 2,676,630 |
| 2025-06-05 | CCOI | Sale | 75,000 | 47.30 | 3,547,350 |
| 2025-06-06 | CCOI | Sale | 80,000 | 47.78 | 3,822,160 |
| 2025-06-09 | CCOI | Sale | 55,000 | 48.75 | 2,681,360 |
| 2025-06-04 | CCOI | Sale | 75,000 | 47.76 | 3,581,925 |
| 2025-06-02 | CCOI | Sale | 65,000 | 46.26 | 3,006,770 |
| 2025-05-29 | CCOI | Sale | 25,000 | 46.90 | 1,172,600 |
| 2025-05-28 | CCOI | Sale | 20,000 | 47.41 | 948,180 |
| 2025-05-27 | CCOI | Sale | 20,000 | 48.67 | 973,319 |
| 2025-05-23 | CCOI | Sale | 25,000 | 46.93 | 1,173,325 |
| 2025-05-22 | CCOI | Sale | 25,000 | 46.27 | 1,156,775 |
| 2025-05-21 | CCOI | Sale | 40,000 | 46.81 | 1,872,240 |
| 2025-05-20 | CCOI | Sale | 15,000 | 49.96 | 749,355 |
| 2025-05-16 | CCOI | Sale | 15,000 | 50.99 | 764,925 |
| 2025-05-14 | CCOI | Sale | 30,000 | 50.64 | 1,519,140 |
| 2025-05-12 | CCOI | Sale | 11,372 | 50.10 | 569,794 |
| 2025-05-13 | CCOI | Sale | 42,628 | 50.45 | 2,150,454 |
| 2024-11-25 | CCOI | Sale | 35,636 | 83.76 | 2,984,942 |
| 2024-11-26 | CCOI | Sale | 24,364 | 82.69 | 2,014,537 |
| 2024-09-10 | CCOI | Sale | 65,000 | 71.75 | 4,663,555 |
| 2024-08-27 | CCOI | Sale | 60,000 | 72.82 | 4,368,960 |
| 2024-06-14 | CCOI | Sale | 60,000 | 51.78 | 3,106,860 |
| 2024-06-12 | CCOI | Sale | 60,000 | 54.60 | 3,276,000 |
| 2024-05-13 | CCOI | Sale | 50,000 | 59.44 | 2,972,000 |
| 2024-03-15 | CCOI | Sale | 26,174 | 64.21 | 1,680,632 |
| 2024-03-13 | CCOI | Sale | 30,000 | 67.52 | 2,025,599 |
| 2024-03-06 | CCOI | Sale | 8,826 | 72.55 | 640,326 |
| 2023-12-13 | CCOI | Sale | 20,000 | 69.99 | 1,399,800 |
| 2023-11-30 | CCOI | Sale | 3,396 | 64.31 | 218,410 |
| 2023-12-01 | CCOI | Sale | 36,604 | 65.18 | 2,385,702 |
| 2023-11-14 | CCOI | Sale | 40,000 | 66.37 | 2,654,800 |
| 2023-09-15 | CCOI | Sale | 18,191 | 65.82 | 1,197,368 |
| 2023-09-12 | CCOI | Sale | 28,247 | 66.97 | 1,891,645 |
| 2023-09-13 | CCOI | Sale | 16,753 | 66.70 | 1,117,408 |
| 2023-09-11 | CCOI | Sale | 3,309 | 67.16 | 222,239 |
| 2023-09-08 | CCOI | Sale | 41,691 | 67.72 | 2,823,231 |
| 2023-06-08 | CCOI | Sale | 7,061 | 62.44 | 440,881 |
| 2023-06-06 | CCOI | Sale | 25,605 | 62.25 | 1,593,911 |
| 2023-06-07 | CCOI | Sale | 42,334 | 62.30 | 2,637,450 |
| 2023-05-10 | CCOI | Sale | 35,000 | 65.38 | 2,288,370 |
Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Schaeffer Dave (CHAIRMAN, CEO, AND PRESIDENT of Cogent Communications Holdings, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.