InsiderTrades

Form 4 for CCOI COGENT COMMUNICATIONS HOLDINGS, INC.

Accepted 2025-06-16 00:00:00 ET · period of report 2025-06-16 · accession 0001415889-25-017408 · 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 2025-06-16 2025-06-16 CCOI SCHAEFFER DAVE COB, CEO, AND Pres, Dir S - Sale $47.11 -70.0K 3.36M -2% -$3.30M

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common common stock 2025-06-16 S D 45,000 $47.14 3,381,721 D — —
2 Common common stock 2025-06-16 S D 25,000 $47.05 3,356,721 D — —