InsiderTrades

Form 4 for CCOI COGENT COMMUNICATIONS HOLDINGS, INC.

Accepted 2025-05-22 00:00:00 ET · period of report 2025-05-21 · accession 0001415889-25-014157 · 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
2025-05-22 2025-05-21 CCOI SCHAEFFER DAVE COB, CEO, AND Pres, Dir S - Sale $46.81 -40.0K 4.20M -0.9% -$1.87M

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common common stock 2025-05-21 S D 40,000 $46.81 4,201,721 D — —