InsiderTrades

Form 4 for CCOI COGENT COMMUNICATIONS HOLDINGS, INC.

Accepted 2025-06-04 00:00:00 ET · period of report 2025-06-03 · accession 0001415889-25-015561 · 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 2025-06-04 2025-06-03 CCOI SCHAEFFER DAVE COB, CEO, AND Pres, Dir S - Sale $46.97 -65.0K 3.95M -2% -$3.05M

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common common stock 2025-06-03 S D 15,000 $46.86 3,931,721 D — —
2 Common common stock 2025-06-03 S D 50,000 $47.00 3,946,721 D — —