John B. Chang - VP & CHIEF LEGAL OFFICER at COGENT COMMUNICATIONS HOLDINGS, INC.

Insider Transactions and Holdings

Entity Type
Individual
Role
Vp & Chief Legal Officer
Issuer Symbol
CCOI on Nasdaq
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There are no Buy or Sell transactions made by John B. Chang since 12 Mar 2025

Holdings reported by John B. Chang for COGENT COMMUNICATIONS HOLDINGS, INC.

Security Num Shares Value Price $ Transaction Date Ownership Underlying Class Underlying Amount
common stock 188,847 $4,594,647 $24.33 31 Dec 2025 Direct
common stock 1,870 $45,497 $24.33 31 Dec 2025 By minor children

Transactions reported by John B. Chang for COGENT COMMUNICATIONS HOLDINGS, INC.

Sym Class Transaction % Value $ * Price $ Shares Shares After Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.