InsiderTrades

Form 4 for CCOI COGENT COMMUNICATIONS HOLDINGS, INC.

Accepted 2025-09-03 00:00:00 ET · period of report 2025-09-02 · accession 0001415889-25-023483 · 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
2025-09-03 2025-09-02 CCOI Harris Mark Andrew VP, Chief Revenue Off A - Grant $0.00 +668 5,168 +15% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common common stock 2025-09-02 A A 668 $0.00 5,168 D — — (F1) This award of restricted stock vests in two equal installments on May 1 and November 1, 2028.