InsiderTrades

Form 4 for CCOI COGENT COMMUNICATIONS HOLDINGS, INC.

Accepted 2026-05-18 16:12:00 ET · period of report 2026-05-14 · accession 0001790695-26-000012 · 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
2026-05-18 16:12 2026-05-14 CCOI Kennedy Sheryl Lynn Dir S - Sale $16.22 -3,300 10.2K -24% -$53.5K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common common stock 2026-05-14 S D 3,300 $16.22 10,245 D — —