Form 4 for CCOI COGENT COMMUNICATIONS HOLDINGS, INC.
Accepted 2026-03-09 00:00:00 ET · period of report 2026-03-06 · accession 0001599812-26-000004 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-03-09 | 2026-03-06 | CCOI | KILMER HENRY W | VP OF NETWORK STRATEGY | S - Sale | $23.35 | -2,400 | 41.0K | -6% | -$56.0K |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | common stock | 2026-03-06 | S | D | 2,400 | $23.35 | 41,000 | D | — | — |