InsiderTrades

Form 4 for CCOI COGENT COMMUNICATIONS HOLDINGS, INC.

Accepted 2025-05-19 00:00:00 ET · period of report 2025-05-16 · accession 0001415889-25-013632 · 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
2025-05-19 2025-05-16 CCOI SCHAEFFER DAVE COB, CEO, AND Pres, Dir S - Sale $51.00 -15.0K 4.26M -0.4% -$765.0K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common common stock 2025-05-16 S D 15,000 $51.00 4,256,721 D — —