Henry W. Kilmer - 08 Dec 2025 Form 4 Insider Report for COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI)

Signature
/s/ Henry Kilmer
Issuer symbol
CCOI
Transactions as of
08 Dec 2025
Net transactions value
-$94,992
Form type
4
Filing time
08 Dec 2025, 16:12:03 UTC
Previous filing
02 Dec 2025
Next filing
05 Jan 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/ Henry Kilmer 08 Dec 2025 0001599812

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CCOI common stock Sale $94,992 -4,800 -12% $19.79 33,800 08 Dec 2025 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.