Dave Schaeffer serves as Executive at COGENT COMMUNICATIONS GROUP INC, where they oversee executive responsibilities. Since joining the company, Dave Schaeffer has executed 69 insider transactions totaling $146.0M, demonstrating a bearish approach to their equity position. Their most recent transaction on Aug 8, 2025 involved selling 818,909 shares valued at $22.5M.
Dave Schaeffer currently holds 697,143 shares of COGENT COMMUNICATIONS GROUP INC (COI), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Dave Schaeffer has been a net seller of COI stock. They have purchased $0 and sold $146.0M worth of shares.
Dave Schaeffer's most recent insider trade was on Aug 8, 2025, when they sold 818,909 shares at $27.50 per share.
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| $32.60 |
| Discretionary |
| Sep 10, 2024 | CCOI | $4.7M | Sale | 65,000 | $71.75 | Discretionary |
| Aug 27, 2024 | CCOI | $4.4M | Sale | 60,000 | $72.82 | Discretionary |
| Jun 14, 2024 | CCOI | $3.1M | Sale | 60,000 | $51.78 | Discretionary |
| Jun 12, 2024 | CCOI | $3.3M | Sale | 60,000 | $54.60 | Discretionary |
| May 13, 2024 | CCOI | $3.0M | Sale | 50,000 | $59.44 | Discretionary |
| Apr 1, 2024 | CCOI | $0 | Disposition | 50,165 | $N/A | Discretionary |
| Mar 15, 2024 | CCOI | $1.7M | Sale | 26,174 | $64.21 | Discretionary |
| Mar 13, 2024 | CCOI | $2.0M | Sale | 30,000 | $67.52 | Discretionary |
| Mar 12, 2024 | CCOI | $3.4M | Disposition | 50,000 | $68.12 | Discretionary |
| Mar 12, 2024 | CCOI | $3.4M | Sale | 50,000 | $68.12 | Discretionary |
| Mar 11, 2024 | CCOI | $2.4M | Disposition | 35,000 | $67.93 | Discretionary |
| Mar 11, 2024 | CCOI | $2.4M | Sale | 35,000 | $67.93 | Discretionary |
| Mar 6, 2024 | CCOI | $640.3K | Sale | 8,826 | $72.55 | Discretionary |
| Mar 6, 2024 | CCOI | $0 | Disposition | 21,387 | $N/A | Discretionary |
| Jan 3, 2024 | CCOI | $0 | Award | 84,000 | $N/A | Discretionary |
| Jan 3, 2024 | CCOI | $0 | Award | 96,000 | $N/A | Discretionary |
| Dec 13, 2023 | CCOI | $1.4M | Sale | 20,000 | $69.99 | Discretionary |
| Dec 1, 2023 | CCOI | $2.4M | Sale | 36,604 | $65.18 | Discretionary |
| Nov 30, 2023 | CCOI | $218.4K | Sale | 3,396 | $64.31 | Discretionary |
| Nov 14, 2023 | CCOI | $2.7M | Sale | 40,000 | $66.37 | Discretionary |
| Sep 15, 2023 | CCOI | $1.2M | Sale | 18,191 | $65.82 | Discretionary |
| Sep 13, 2023 | CCOI | $1.1M | Sale | 16,753 | $66.70 | Discretionary |
| Sep 12, 2023 | CCOI | $1.9M | Sale | 28,247 | $66.97 | Discretionary |
| Sep 11, 2023 | CCOI | $222.2K | Sale | 3,309 | $67.16 | Discretionary |
| Sep 8, 2023 | CCOI | $2.8M | Sale | 41,691 | $67.72 | Discretionary |
| Jun 8, 2023 | CCOI | $440.9K | Sale | 7,061 | $62.44 | Discretionary |
| Jun 7, 2023 | CCOI | $2.6M | Sale | 42,334 | $62.30 | Discretionary |
| Jun 6, 2023 | CCOI | $1.6M | Sale | 25,605 | $62.25 | Discretionary |