John Chang

Insider Reports History

Entity
Individual
Location
2450 N St Nw, 4 Th Floor, Washington, DC
Signature
/s/ John Chang
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by John Chang:

Stock Role Class Num Shares Value Price $ Report Date Ownership
COGENT COMMUNICATIONS HOLDINGS, INC. VP & CHIEF LEGAL OFFICER common stock 69.8K $5.3M $75.88 Dec 18, 2024 Direct
COGENT COMMUNICATIONS HOLDINGS, INC. VP & CHIEF LEGAL OFFICER common stock 935 $70.9K $75.88 Dec 18, 2024 By minor children

Insider Reports Filed by John Chang

Symbol Company Period Transactions Value $ Form Type Date Filed Role
CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Dec 18, 2024 3 $0 4 Dec 19, 2024 VP & CHIEF LEGAL OFFICER
CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Dec 4, 2024 1 $0 4 Dec 6, 2024 VP & CHIEF LEGAL OFFICER
CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Dec 1, 2024 1 $0 4 Dec 3, 2024 VP & CHIEF LEGAL OFFICER
CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Nov 12, 2024 1 -$183K 4 Nov 12, 2024 VP & CHIEF LEGAL OFFICER
CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Sep 12, 2024 1 -$100K 4 Sep 13, 2024 VP & CHIEF LEGAL OFFICER
CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Aug 23, 2024 1 -$152K 4 Aug 26, 2024 VP & CHIEF LEGAL OFFICER
CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Feb 1, 2024 0 $0 4/A Feb 14, 2024 VP & CHIEF LEGAL OFFICER
CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Feb 1, 2024 2 $0 4 Feb 1, 2024 VP & CHIEF LEGAL OFFICER
CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Jan 3, 2024 2 $0 4/A Jan 30, 2024 VP & CHIEF LEGAL OFFICER
CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Jan 3, 2024 2 $0 4 Jan 5, 2024 VP & CHIEF LEGAL OFFICER
CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Dec 26, 2023 1 -$270K 4 Dec 28, 2023 VP & CHIEF LEGAL OFFICER
CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Dec 21, 2023 1 -$74K 4 Dec 22, 2023 VP & CHIEF LEGAL OFFICER
CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Dec 20, 2023 3 $0 4 Dec 20, 2023 VP & CHIEF LEGAL OFFICER
CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Dec 14, 2023 1 -$36K 4 Dec 15, 2023 VP & CHIEF LEGAL OFFICER
CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Dec 11, 2023 1 -$207K 4 Dec 11, 2023 VP & CHIEF LEGAL OFFICER
CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Dec 1, 2023 1 $0 4 Dec 1, 2023 VP & CHIEF LEGAL OFFICER
CCOI COGENT COMMUNICATIONS HOLDINGS, INC. May 3, 2023 2 -$365K 4 May 4, 2023 VP & CHIEF LEGAL OFFICER
CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Apr 17, 2023 1 -$35K 4 Apr 18, 2023 VP & CHIEF LEGAL OFFICER
CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Feb 1, 2023 1 -$140K 4 Feb 2, 2023 Chief Legal Officer
CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Jan 26, 2023 1 -$34K 4 Jan 27, 2023 Chief Legal Officer
CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Jan 17, 2023 1 -$66K 4 Jan 18, 2023 Chief Legal Officer
CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Jan 12, 2023 1 -$96K 4 Jan 13, 2023 Chief Legal Officer
CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Jan 3, 2023 1 $0 4 Jan 4, 2023 Chief Legal Officer
CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Dec 1, 2022 1 $0 4 Dec 1, 2022 Director
CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Apr 5, 2022 2 -$35.5K 4 Apr 7, 2022 Director
CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Apr 1, 2022 1 -$10.2K 4 Apr 4, 2022 Director
CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Mar 31, 2022 1 -$9.9K 4 Apr 1, 2022 VP & Chief Legal Officer
CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Mar 17, 2022 1 -$37.8K 4 Mar 18, 2022 VP & Chief Legal Officer
CCOI COGENT COMMUNICATIONS HOLDINGS, INC. Jan 3, 2022 1 $0 4 Jan 5, 2022 VP & Chief Legal Officer
CCOI COGENT COMMUNICATIONS HOLDINGS, INC. May 10, 2021 1 -$44.6K 4 May 11, 2021 VP & Chief Legal Officer