Cogent Communications Holdings, Inc. insider trading
This tab shows only the shares insiders bought or sold on the open market in the last twelve months (Form 4 codes P and S). Grants, option exercises, shares held back for tax and gifts are left out on purpose, so what is left is insiders trading at the market price like anyone else.
In the last twelve months insiders at Cogent Communications Holdings, Inc. filed 15 open-market sales worth $995,481 and 0 open-market purchases, on Form 4 with the SEC. The latest: Kilmer Henry W, VP OF Network Strategy, sold 2,400 shares at $9.21 on 15 September 2026, filed 15 September 2026.
| Traded | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 15 September 2026 | Kilmer Henry W | VP OF Network Strategy | Sale | 2,400 | $9.21 | $22,104 | Form 4 |
| 2 September 2026 | Weed Thaddeus Gerard | VICE President, CFO | Sale | 4,850 | $9.37 | $45,445 | Form 4 |
| 16 June 2026 | Weed Thaddeus Gerard | VICE President, CFO | Sale | 4,850 | $16.79 | $81,434 | Form 4 |
| 15 June 2026 | Kilmer Henry W | VP OF Network Strategy | Sale | 2,400 | $17.01 | $40,824 | Form 4 |
| 28 May 2026 | Ferguson Lewis H | Director | Sale | 2,800 | $20.36 | $57,008 | Form 4 |
| 14 May 2026 | Kennedy Sheryl Lynn | Director | Sale | 3,300 | $16.22 | $53,518 | Form 4 |
| 6 March 2026 | Kilmer Henry W | VP OF Network Strategy | Sale | 2,400 | $23.35 | $56,040 | Form 4 |
| 5 March 2026 | Ferguson Lewis H | Director | Sale | 2,206 | $23.03 | $50,804 | Form 4 |
| 5 March 2026 | Kennedy Sheryl Lynn | Director | Sale | 3,300 | $22.99 | $75,867 | Form 4 |
| 5 March 2026 | Weed Thaddeus Gerard | VICE President, CFO | Sale | 4,850 | $22.63 | $109,756 | Form 4 |
| 11 December 2025 | Weed Thaddeus Gerard | VICE President, CFO | Sale | 7,300 | $23.99 | $175,127 | Form 4 |
| 8 December 2025 | Kilmer Henry W | VP OF Network Strategy | Sale | 4,800 | $19.79 | $94,992 | Form 4 |
| 2 December 2025 | Ferguson Lewis H | Director | Sale | 4,000 | $20.34 | $81,341 | Form 4 |
| 1 December 2025 | Kilmer Henry W | VP OF Network Strategy | Sale | 2,400 | $0.00 | $0 | Form 4 |
| 11 November 2025 | Kennedy Sheryl Lynn | Director | Sale | 2,400 | $21.34 | $51,221 | Form 4 |
A filing with several lines appears once per line.
Source
Form 4 filings on EDGAR for Cogent Communications Holdings, Inc.: the company's filing index.
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