InsiderTrades

Form 4 for CCOI COGENT COMMUNICATIONS HOLDINGS, INC.

Accepted 2025-03-10 00:00:00 ET · period of report 2025-03-07 · accession 0001415889-25-007482 · 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
2025-03-10 2025-03-07 CCOI KILMER HENRY W VP OF NETWORK STRATEGY S - Sale $72.57 -2,400 41.0K -6% -$174.2K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common common stock 2025-03-07 S D 2,400 $72.57 41,000 D — —