InsiderTrades

Form 4 for CCOI COGENT COMMUNICATIONS HOLDINGS, INC.

Accepted 2026-03-05 00:00:00 ET · period of report 2026-03-05 · accession 0001790695-26-000007 · 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
2026-03-05 2026-03-05 CCOI Kennedy Sheryl Lynn Dir S - Sale $22.99 -3,300 10.1K -25% -$75.9K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common common stock 2026-03-05 S D 3,300 $22.99 10,100 D — —