InsiderTrades

Form 4 for CCOI COGENT COMMUNICATIONS HOLDINGS, INC.

Accepted 2025-06-02 00:00:00 ET · period of report 2025-05-30 · accession 0001415889-25-015131 · 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
2025-06-02 2025-05-30 CCOI SCHAEFFER DAVE COB, CEO, AND Pres, Dir S - Sale $45.90 -25.0K 4.06M -0.6% -$1.15M

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common common stock 2025-05-30 S D 25,000 $45.90 4,061,721 D — —