InsiderTrades

Form 4 for CCOI COGENT COMMUNICATIONS HOLDINGS, INC.

Accepted 2025-06-03 00:00:00 ET · period of report 2025-06-02 · accession 0001415889-25-015396 · 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 2025-06-03 2025-06-02 CCOI SCHAEFFER DAVE COB, CEO, AND Pres, Dir S - Sale $46.32 -65.0K 4.00M -2% -$3.01M

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common common stock 2025-06-02 S D 50,000 $46.38 4,011,721 D — —
2 Common common stock 2025-06-02 S D 15,000 $46.13 3,996,721 D — —