InsiderTrades

Form 4 for CCOI COGENT COMMUNICATIONS HOLDINGS, INC.

Accepted 2025-03-05 00:00:00 ET · period of report 2025-03-04 · accession 0001415889-25-006968 · 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
2025-03-05 2025-03-04 CCOI SCHAEFFER DAVE COB, CEO, AND Pres, Dir S - Sale $71.77 -60.0K 4.44M -1% -$4.31M

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common common stock 2025-03-04 S D 60,000 $71.77 4,444,038 D — —