InsiderTrades

Form 4 for CCOI COGENT COMMUNICATIONS HOLDINGS, INC.

Accepted 2025-06-09 00:00:00 ET · period of report 2025-06-05 · accession 0001415889-25-016137 · 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 2025-06-09 2025-06-05 CCOI SCHAEFFER DAVE COB, CEO, AND Pres, Dir S - Sale $47.30 -75.0K 3.78M -2% -$3.55M

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common common stock 2025-06-05 S D 40,000 $47.29 3,816,721 D — —
2 Common common stock 2025-06-05 S D 35,000 $47.31 3,781,721 D — —