Henry W. Kilmer, VP of IP Engineering at COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI), sold 2,400 shares at $77.26 ($185K) on 2021-12-13, disclosed to the SEC on 2021-12-13.
Seasonal sale ($185k) by VP of IP Engineering — this insider has traded CCOI in December in at least three consecutive prior years. Pattern-driven, low signal.
Nothing distinguishes this filing.
| Filing → |
| CCOI | SELL | 2026-03-09 | $56K | — | Filing → |
| CCOI | SELL | 2025-12-08 | $95K | — | Filing → |
| CCOI | SELL | 2025-09-05 | $89K | — | Filing → |