Form 4 for CCOI COGENT COMMUNICATIONS HOLDINGS, INC.
Accepted 2026-05-28 16:01:47 ET · period of report 2026-05-28 · accession 0001395643-26-000014 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-05-28 16:01 | 2026-05-28 | CCOI | FERGUSON Lewis H | Dir | S - Sale | $20.36 | -2,800 | 21.1K | -12% | -$57.0K |
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 | 2026-05-28 | S | D | 2,800 | $20.36 | 21,094 | D | — | — |