InsiderTrades

Form 4 for CCOI COGENT COMMUNICATIONS HOLDINGS, INC.

Accepted 2025-05-15 00:00:00 ET · period of report 2025-05-14 · accession 0001415889-25-013100 · 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
2025-05-15 2025-05-14 CCOI SCHAEFFER DAVE COB, CEO, AND Pres, Dir S - Sale $50.64 -30.0K 4.31M -0.7% -$1.52M

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common common stock 2025-05-14 S D 30,000 $50.64 4,311,721 D — —