John B. Chang SEC EDGAR Filings (CIK 0001775672)

SEC EDGAR filings, ownership reports, and insider transactions for John B. Chang.

Business address
2450 N St Nw, 4 Th Floor, Washington, DC, 20037
Top holdings (ownership)
CCOI
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John B. Chang has filed 61 SEC EDGAR filings since 07 Aug 2019

Latest Filings

Recent SEC filings for John B. Chang including 4, 144, 4/A and more.

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open 4 document View SEC filing for 4 05 Jan 2026 31 Dec 2025 000-51829
4 Open 4 document View SEC filing for 4 02 Dec 2025 01 Dec 2025 000-51829
4 Open 4 document View SEC filing for 4 03 Jun 2025 02 Jun 2025 000-51829
4 Open 4 document View SEC filing for 4 15 May 2025 15 May 2025 000-51829
4 Open 4 document View SEC filing for 4 11 Apr 2025 10 Apr 2025 000-51829
4 Open 4 document View SEC filing for 4 12 Mar 2025 10 Mar 2025 000-51829
4 Open 4 document View SEC filing for 4 07 Mar 2025 05 Mar 2025 000-51829
4 Open 4 document View SEC filing for 4 13 Jan 2025 09 Jan 2025 000-51829
4 Open 4 document View SEC filing for 4 19 Dec 2024 18 Dec 2024 000-51829
4 Open 4 document View SEC filing for 4 06 Dec 2024 04 Dec 2024 000-51829
4 Open 4 document View SEC filing for 4 03 Dec 2024 01 Dec 2024 000-51829
4 Open 4 document View SEC filing for 4 12 Nov 2024 12 Nov 2024 000-51829
144 Open 144 document View SEC filing for 144 12 Nov 2024
4 Open 4 document View SEC filing for 4 13 Sep 2024 12 Sep 2024 000-51829
144 Open 144 document View SEC filing for 144 27 Aug 2024
4 Open 4 document View SEC filing for 4 26 Aug 2024 23 Aug 2024 000-51829
144 Open 144 document View SEC filing for 144 20 Aug 2024
144 Open 144 document View SEC filing for 144 14 Mar 2024
4/A Open 4/A document View SEC filing for 4/A 14 Feb 2024 01 Feb 2024 000-51829
4 Open 4 document View SEC filing for 4 01 Feb 2024 01 Feb 2024 000-51829
4/A Open 4/A document View SEC filing for 4/A 30 Jan 2024 03 Jan 2024 000-51829
4 Open 4 document View SEC filing for 4 05 Jan 2024 03 Jan 2024 000-51829
4 Open 4 document View SEC filing for 4 28 Dec 2023 26 Dec 2023 000-51829
144 Open 144 document View SEC filing for 144 26 Dec 2023
4 Open 4 document View SEC filing for 4 22 Dec 2023 21 Dec 2023 000-51829
144 Open 144 document View SEC filing for 144 21 Dec 2023
4 Open 4 document View SEC filing for 4 20 Dec 2023 20 Dec 2023 000-51829
4 Open 4 document View SEC filing for 4 15 Dec 2023 14 Dec 2023 000-51829
144 Open 144 document View SEC filing for 144 14 Dec 2023
4 Open 4 document View SEC filing for 4 11 Dec 2023 11 Dec 2023 000-51829
144 Open 144 document View SEC filing for 144 11 Dec 2023
4 Open 4 document View SEC filing for 4 01 Dec 2023 01 Dec 2023 000-51829
4 Open 4 document View SEC filing for 4 04 May 2023 03 May 2023 000-51829
144 Open 144 document View SEC filing for 144 03 May 2023
4 Open 4 document View SEC filing for 4 18 Apr 2023 17 Apr 2023 000-51829
144 Open 144 document View SEC filing for 144 17 Apr 2023
4 Open 4 document View SEC filing for 4 FORM 4 02 Feb 2023 01 Feb 2023 000-51829
4 Open 4 document View SEC filing for 4 FORM 4 27 Jan 2023 26 Jan 2023 000-51829
4 Open 4 document View SEC filing for 4 FORM 4 18 Jan 2023 17 Jan 2023 000-51829
4 Open 4 document View SEC filing for 4 FORM 4 13 Jan 2023 12 Jan 2023 000-51829
4 Open 4 document View SEC filing for 4 FORM 4 04 Jan 2023 03 Jan 2023 000-51829
4 Open 4 document View SEC filing for 4 FORM 4 01 Dec 2022 01 Dec 2022 000-51829
4 Open 4 document View SEC filing for 4 FORM 4 07 Apr 2022 05 Apr 2022 000-51829
4 Open 4 document View SEC filing for 4 FORM 4 04 Apr 2022 01 Apr 2022 000-51829
4 Open 4 document View SEC filing for 4 FORM 4 01 Apr 2022 31 Mar 2022 000-51829
4 Open 4 document View SEC filing for 4 FORM 4 18 Mar 2022 17 Mar 2022 000-51829
4 Open 4 document View SEC filing for 4 FORM 4 05 Jan 2022 03 Jan 2022 000-51829
4 Open 4 document View SEC filing for 4 FORM 4 11 May 2021 10 May 2021 000-51829
4 Open 4 document View SEC filing for 4 FORM 4 03 May 2021 30 Apr 2021 000-51829
4 Open 4 document View SEC filing for 4 FORM 4 06 Apr 2021 05 Apr 2021 000-51829
4 Open 4 document View SEC filing for 4 FORM 4 16 Mar 2021 15 Mar 2021 000-51829
4 Open 4 document View SEC filing for 4 FORM 4 25 Feb 2021 24 Feb 2021 000-51829
4 Open 4 document View SEC filing for 4 FORM 4 05 Jan 2021 04 Jan 2021 000-51829
4 Open 4 document View SEC filing for 4 FORM 4 01 Sep 2020 01 Sep 2020 000-51829
4 Open 4 document View SEC filing for 4 FORM 4 31 Jul 2020 31 Jul 2020 000-51829
4 Open 4 document View SEC filing for 4 FORM 4 22 Jul 2020 21 Jul 2020 000-51829
4 Open 4 document View SEC filing for 4 FORM 4 04 Mar 2020 03 Mar 2020 000-51829
4 Open 4 document View SEC filing for 4 FORM 4 03 Mar 2020 02 Mar 2020 000-51829
4 Open 4 document View SEC filing for 4 FORM 4 18 Feb 2020 14 Feb 2020 000-51829
4 Open 4 document View SEC filing for 4 FORM 4 03 Jan 2020 02 Jan 2020 000-51829
3 Open 3 document View SEC filing for 3 FORM 3 07 Aug 2019 07 Aug 2019 000-51829

About this filer

John B. Chang files with the SEC under CIK 0001775672. This page aggregates EDGAR filings and related ownership activity.

See reporting owner transactions.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
How often is this page updated?
Updates follow new EDGAR submissions and periodic data refreshes.

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