InsiderTrades

Form 4 for CCOI COGENT COMMUNICATIONS HOLDINGS, INC.

Accepted 2025-06-16 00:00:00 ET · period of report 2025-06-13 · accession 0001415889-25-017344 · 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 2025-06-16 2025-06-13 CCOI SCHAEFFER DAVE COB, CEO, AND Pres, Dir S - Sale $47.41 -55.0K 3.43M -2% -$2.61M

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common common stock 2025-06-13 S D 45,000 $47.42 3,436,721 D — —
2 Common common stock 2025-06-13 S D 10,000 $47.34 3,426,721 D — —