InsiderTrades

Form 4 for CCOI COGENT COMMUNICATIONS HOLDINGS, INC.

Accepted 2025-11-12 00:00:00 ET · period of report 2025-11-11 · accession 0001790695-25-000009 · 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
2025-11-12 2025-11-11 CCOI Kennedy Sheryl Lynn Dir S - Sale $21.34 -2,400 10.0K -19% -$51.2K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common common stock 2025-11-11 S D 2,400 $21.34 10,012 D — —