InsiderTrades

Form 4 for CCOI COGENT COMMUNICATIONS HOLDINGS, INC.

Accepted 2025-05-15 00:00:00 ET · period of report 2025-05-15 · accession 0001415889-25-013104 · 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
2025-05-15 2025-05-13 CCOI Chang John B. VP, CLO G - Gift $0.00 -756 77.2K -1.0% $0
I 2025-05-15 2025-05-13 CCOI Chang John B. VP, CLO G - Gift $0.00 +504 3,089 +19% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common common stock 2025-05-13 G D 756 $0.00 77,245 D — — (F1) The reporting person disposed of 504 shares to two dependent and 252 shares to one independent adult family member.
2 Common common stock 2025-05-13 G A 504 $0.00 3,089 I By minor children — —