InsiderTrades

Form 4 for CCOI COGENT COMMUNICATIONS HOLDINGS, INC.

Accepted 2025-06-09 00:00:00 ET · period of report 2025-06-09 · accession 0001415889-25-016341 · 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
M 2025-06-09 2025-06-09 CCOI SCHAEFFER DAVE COB, CEO, AND Pres, Dir S - Sale $48.64 -55.0K 3.65M -1% -$2.68M

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common common stock 2025-06-09 S D 40,000 $48.51 3,661,721 D — —
2 Common common stock 2025-06-09 S D 15,000 $48.99 3,646,721 D — —