Dave Schaeffer
Chairman, President & CEO at Cogent Communications Holdings Inc.
Sits on 1 board. Last updated September 28, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 4 years
- Director since
- 2023
4 years of board service in total across 1 board, counting each seat separately. Longest: Cogent Communications Holdings Inc., 3 years.
Cogent Communications Holdings Inc.
Director · CHAIRMAN, CEO, AND PRESIDENT
Chief executive roles
Cogent Communications Holdings Inc.
· Chairman, President & CEO
Dates unknown
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| May 4, 2026 | Cogent Communications Holdings Inc. | Grant or award | +1,000,000 | — | — |
| May 4, 2026 | Cogent Communications Holdings Inc. | Gift | −1,000,000 | — | — |
| May 4, 2026 | Cogent Communications Holdings Inc. | Gift | +1,000,000 | — | — |
| Apr 1, 2026 | Cogent Communications Holdings Inc. | Sold back to the company | −58,667 | — | — |
| Apr 1, 2026 | Cogent Communications Holdings Inc. | Gift | −29,333 | — | — |
| Apr 1, 2026 | Cogent Communications Holdings Inc. | Gift | +29,333 | — | — |
| Dec 31, 2025 | Cogent Communications Holdings Inc. | Grant or award | +229,657 | — | — |
| Dec 31, 2025 | Cogent Communications Holdings Inc. | Gift | −229,657 | — | — |
| Dec 31, 2025 | Cogent Communications Holdings Inc. | Gift | +229,657 | — | — |
| Aug 8, 2025 | Cogent Communications Holdings Inc. | Open-market sale | −818,909 | $27.50 | $22,519,998 |
| Aug 7, 2025 | Cogent Communications Holdings Inc. | Open-market sale | −1,840,669 | $32.60 | $60,005,809 |
| Jun 16, 2025 | Cogent Communications Holdings Inc. | Open-market sale | −45,000 | $47.14 | $2,121,300 |
| Jun 16, 2025 | Cogent Communications Holdings Inc. | Open-market sale | −25,000 | $47.05 | $1,176,250 |
| Jun 13, 2025 | Cogent Communications Holdings Inc. | Open-market sale | −45,000 | $47.42 | $2,133,900 |
| Jun 13, 2025 | Cogent Communications Holdings Inc. | Open-market sale | −10,000 | $47.34 | $473,400 |
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