InsiderTrades

Form 4 for CCOI COGENT COMMUNICATIONS HOLDINGS, INC.

Accepted 2025-09-02 00:00:00 ET · period of report 2025-09-02 · accession 0001415889-25-023405 · 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
2025-09-02 2025-09-02 CCOI WEED THADDEUS GERARD VP, CFO S - Sale $36.98 -4,900 93.1K -5% -$181.2K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common common stock 2025-09-02 S D 4,900 $36.98 93,100 D — —