InsiderTrades

Form 4 for CCOI COGENT COMMUNICATIONS HOLDINGS, INC.

Accepted 2025-10-02 00:00:00 ET · period of report 2025-09-30 · accession 0001901420-25-000005 · 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
2025-10-02 2025-09-30 CCOI de Sa Paul Dir A - Grant $0.00 +2,395 23.5K +11% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common common stock 2025-09-30 A A 2,395 $0.00 23,514 D — — (F1) The shares of common stock reported reflects a quarterly payment to directors for Q3 2025 service. All shares are owned directly by Mr. De Sa, a director of Cogent Communications Holdings, Inc.