Form 4 for CCOI COGENT COMMUNICATIONS HOLDINGS, INC.
Accepted 2026-01-05 00:00:00 ET · period of report 2025-12-31 · accession 0002083050-26-000003 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M | 2026-01-05 | 2025-12-31 | CCOI | Harris Mark Andrew | VP, Chief Revenue Off | A - Grant | $0.00 | +105.0K | 110.2K | +2,032% | $0 |
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 | 2025-12-31 | A | A | 5,000 | $0.00 | 10,168 | D | — | — | (F1) This award of restricted stock shall vest in one third of the grant on January 1 of each of 2027, 2028 and 2029. |
| 2 | Common | common stock | 2025-12-31 | A | A | 100,000 | $0.00 | 110,168 | D | — | — | (F2) The award shall vest effective January 1, 2029, based on Mr. Harris' continued employment to that date. |