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John B. Chang is VP & CHIEF LEGAL OFFICER at Cogent Communications Holdings, Inc.. OQRO lists 3 transactions filed with the SEC under this name, the latest on Jan 6, 2026, each linked to the official Form 4.
VP & CHIEF LEGAL OFFICER
Disclosures on record
3
Companies involved
1
Cogent Communications Holdings, Inc.CCOI
3 disclosures · Dec 2025 – Jan 2026
Dec 31, 20259,600disclosed Jan 6
DetailsOfficial recordDec 31, 2025100Kdisclosed Jan 6
DetailsOfficial record