COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI) has 9 SEC Form 4 insider filings on record in the last 90 days. No insider purchases were filed — 2 sales totalling $68K. Most recent filing: Sept. 15, 2026.
| Date | Insider | Value | Shares | Stake | Pre-planned | Links |
|---|---|---|---|---|---|---|
| Sept. 15, 2026 | KILMER HENRY W VP OF NETWORK STRATEGY | −$22,104 | 2,400 | −6% | No | |
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| Sept. 3, 2026 filed Sept. 2, 2026 | WEED THADDEUS GERARD VICE PRESIDENT, CFO | −$45,445 | 4,850 | −2% | No | |
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| July 1, 2026 filed June 30, 2026 | Howell Deneen C Director | $0 | 3,445 | +12% | No | |
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| July 1, 2026 filed June 30, 2026 | BROOKS STEVEN D Director | $0 | 3,445 | +6% | No | |
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| July 1, 2026 filed June 30, 2026 | de Sa Paul Director | $0 | 3,445 | +11% | No | |
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Showing the 5 most recent of 9 filings in the last 90 days.
Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.
Real-time Telegram alerts the moment a Form 4 is filed. Filings shown here are delayed by 72 hours.
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