Marc Montagner - 31 Dec 2025 Form 4 Insider Report for COGENT COMMUNICATIONS HOLDINGS, INC. (CCOI)

Role
Director
Signature
/s/ Marc Montagner
Issuer symbol
CCOI
Transactions as of
31 Dec 2025
Net transactions value
$0
Form type
4
Filing time
05 Jan 2026, 16:41:20 UTC
Previous filing
27 Oct 2025
Next filing
09 Mar 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Montagner Marc Director 2450 N ST NW, 4TH FLOOR, WASHINGTON /s/ Marc Montagner 05 Jan 2026 0001456823

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CCOI common stock Award $0 +3,388 +3.8% $0.000000 92,952 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 shares of common stock reported reflects a quarterly payment to directors for Q4 2025 service. All shares are owned directly by Mr. Montagner, a director of Cogent Communications Holdings, Inc.