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$CCOI All transactions

COGENT COMMUNICATIONS HOLDINGS, INC.

G

$ Value

$0

Shares

504

Price

$0

Filed

May 15

Insider

Name

Chang John B.

Title

VP & CHIEF LEGAL OFFICER

CIK

0001775672

Roles

Officer

Transaction Details

Transaction Date

2025-05-13

Code

G

Table

Non-Derivative

Ownership

Indirect

Equity Swap

No

Shares After

3,089

Footnotes

The reporting person disposed of 504 shares to two dependent and 252 shares to one independent adult family member.

Filing Info

Accession No.

0001415889-25-013104

Form Type

4

Issuer CIK

0001158324

Chang John B.'s History

Date Ticker Type Value
2025-12-31 CCOI A $0
2025-12-31 CCOI A $0
2025-12-01 CCOI A $0
2025-06-02 CCOI G $0
2025-05-13 CCOI G $0
2025-05-13 CCOI G $0

Other Insiders at CCOI (90d)

Insider Bought Sold Last
SCHAEFFER DAVE
CHAIRMAN, CEO, AND PRESIDENT
2026-04-01
WEED THADDEUS GERARD
VICE PRESIDENT, CFO
$110K 2026-03-05
BROOKS STEVEN D 2026-03-31
FERGUSON Lewis H $51K 2026-03-31
Montagner Marc 2026-03-31
KILMER HENRY W
VP OF NETWORK STRATEGY
$56K 2026-03-06
Kennedy Sheryl Lynn $76K 2026-03-31
de Sa Paul 2026-03-31
Howell Deneen C 2026-03-31
Howard Eve N 2026-03-31