InsiderTrades

Form 4 for CCOI COGENT COMMUNICATIONS HOLDINGS, INC.

Accepted 2025-05-30 00:00:00 ET · period of report 2025-05-29 · accession 0001415889-25-014965 · 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
2025-05-30 2025-05-29 CCOI SCHAEFFER DAVE COB, CEO, AND Pres, Dir S - Sale $46.90 -25.0K 4.09M -0.6% -$1.17M

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common common stock 2025-05-29 S D 25,000 $46.90 4,086,721 D — —