John Chang

Investor Relations Contact at COGENT COMMUNICATIONS HOLDINGS, INC.

Net worth: 2 M $ as of 2026-08-30

54 year

Communications

Profile

John B. Chang currently works at Cogent Communications Group LLC, as Head-Investor Relations, Cogent Communications LLC, as Chief Legal Officer & Vice President, and Cogent Communications Holdings, Inc., as General Counsel.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
COGENT COMMUNICATIONS HOLDINGS INC 0.39%	2026-02-27	200,317 ( 0.39% )	2 M $	2026-08-30

John Chang active positions

Companies	Position	Start
COGENT COMMUNICATIONS HOLDINGS, INC.	Investor Relations Contact	2019-04-30
Cogent Communications Group LLC Cogent Communications Group LLC Specialty TelecommunicationsCommunications Provides broadband Internet services	Investor Relations Contact	2011-03-20
Cogent Communications, Inc. Cogent Communications, Inc. Specialty TelecommunicationsCommunications Operates as an internet services provider	General Counsel	-

All active positions of John Chang

Experiences
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Linked companies

Private companies	3
Cogent Communications Group LLC Cogent Communications Group LLC Specialty TelecommunicationsCommunications Provides broadband Internet services	Communications
Cogent Communications, Inc. Cogent Communications, Inc. Specialty TelecommunicationsCommunications Operates as an internet services provider	Communications
Cogent Communications Holdings, Inc. Cogent Communications Holdings, Inc. Major TelecommunicationsCommunications Provides internet access, private network and data center colocation services	Communications

See company connections