InsiderTrades

Form 4 for CCOI COGENT COMMUNICATIONS HOLDINGS, INC.

Accepted 2026-06-16 16:25:54 ET · period of report 2026-06-16 · accession 0001166978-26-000007 · 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
2026-06-16 16:25 2026-06-16 CCOI WEED THADDEUS GERARD VP, CFO S - Sale $16.79 -4,850 197.9K -2% -$81.4K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common common stock 2026-06-16 S D 4,850 $16.79 197,900 D — —