Henry W. Kilmer - 31 Dec 2025 Form 4 Insider Report for COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI)

Signature
/s/ Hank Kilmer
Issuer symbol
CCOI
Transactions as of
31 Dec 2025
Net transactions value
$0
Form type
4
Filing time
05 Jan 2026, 16:29:36 UTC
Previous filing
08 Dec 2025
Next filing
09 Mar 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
KILMER HENRY W VP OF NETWORK STRATEGY 2450 N ST NW, 4TH FLOOR, WASHINGTON /s/ Hank Kilmer 05 Jan 2026 0001599812

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CCOI common stock Award $0 +9,600 +28% $0.000000 43,400 31 Dec 2025 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The award of restricted stock shall vest in one third of the grant on January 1 of each of 2027, 2028 and 2029.