Form 4 for CCOI COGENT COMMUNICATIONS HOLDINGS, INC.
Accepted 2025-12-08 00:00:00 ET · period of report 2025-12-08 · accession 0001599812-25-000007 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-12-08 | 2025-12-08 | CCOI | KILMER HENRY W | VP OF NETWORK STRATEGY | S - Sale | $19.79 | -4,800 | 33.8K | -12% | -$95.0K |
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 | 2025-12-08 | S | D | 4,800 | $19.79 | 33,800 | D | — | — |