InsiderTrades

Form 4 for CCOI COGENT COMMUNICATIONS HOLDINGS, INC.

Accepted 2026-09-03 09:45:23 ET · period of report 2026-09-02 · accession 0001166978-26-000009 · 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
2026-09-03 09:45 2026-09-02 CCOI WEED THADDEUS GERARD VP, CFO S - Sale $9.37 -4,850 193.1K -2% -$45.4K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common common stock 2026-09-02 S D 4,850 $9.37 193,050 D — —