InsiderTrades

Form 4 for CCOI COGENT COMMUNICATIONS HOLDINGS, INC.

Accepted 2025-06-05 00:00:00 ET · period of report 2025-06-04 · accession 0001415889-25-015804 · 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 2025-06-05 2025-06-04 CCOI SCHAEFFER DAVE COB, CEO, AND Pres, Dir S - Sale $47.76 -75.0K 3.88M -2% -$3.58M

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common common stock 2025-06-04 S D 25,000 $47.76 3,856,721 D — —
2 Common common stock 2025-06-04 S D 50,000 $47.76 3,881,721 D — —