InsiderTrades

Form 4 for CCOI COGENT COMMUNICATIONS HOLDINGS, INC.

Accepted 2025-06-12 00:00:00 ET · period of report 2025-06-11 · accession 0001415889-25-016836 · 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 2025-06-12 2025-06-11 CCOI SCHAEFFER DAVE COB, CEO, AND Pres, Dir S - Sale $48.51 -55.0K 3.55M -2% -$2.67M

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common common stock 2025-06-11 S D 10,000 $48.35 3,536,721 D — —
2 Common common stock 2025-06-11 S D 45,000 $48.55 3,546,721 D — —