Hung-Lun (Fred) Chang SEC EDGAR Filings (CIK 0001587462)

SEC EDGAR filings, ownership reports, and insider transactions for Hung-Lun (Fred) Chang.

Business address
13139 Jess Pirtle Blvd., Sugar Land, TX, 77478
Top holdings (ownership)
AAOI
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Hung-Lun (Fred) Chang has filed 111 SEC EDGAR filings since 25 Sep 2013

Latest Filings

Recent SEC filings for Hung-Lun (Fred) 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 24 Oct 2025 22 Oct 2025 001-36083
4 Open 4 document View SEC filing for 4 14 Aug 2025 13 Aug 2025 001-36083
144 Open 144 document View SEC filing for 144 13 Aug 2025
4 Open 4 document View SEC filing for 4 24 Jul 2025 22 Jul 2025 001-36083
4 Open 4 document View SEC filing for 4 14 May 2025 13 May 2025 001-36083
4 Open 4 document View SEC filing for 4 13 May 2025 09 May 2025 001-36083
144 Open 144 document View SEC filing for 144 13 May 2025
4 Open 4 document View SEC filing for 4 02 May 2025 30 Apr 2025 001-36083
4 Open 4 document View SEC filing for 4 24 Apr 2025 22 Apr 2025 001-36083
4 Open 4 document View SEC filing for 4 15 Apr 2025 11 Apr 2025 001-36083
4 Open 4 document View SEC filing for 4 23 Jan 2025 22 Jan 2025 001-36083
4/A Open 4/A document View SEC filing for 4/A 10 Dec 2024 08 Nov 2024 001-36083
4 Open 4 document View SEC filing for 4 22 Nov 2024 20 Nov 2024 001-36083
144 Open 144 document View SEC filing for 144 20 Nov 2024
4 Open 4 document View SEC filing for 4 12 Nov 2024 08 Nov 2024 001-36083
144 Open 144 document View SEC filing for 144 08 Nov 2024
4 Open 4 document View SEC filing for 4 24 Oct 2024 22 Oct 2024 001-36083
4 Open 4 document View SEC filing for 4 24 Jul 2024 22 Jul 2024 001-36083
4 Open 4 document View SEC filing for 4 17 Jun 2024 13 Jun 2024 001-36083
4 Open 4 document View SEC filing for 4 28 May 2024 23 May 2024 001-36083
4 Open 4 document View SEC filing for 4 01 May 2024 29 Apr 2024 001-36083
4 Open 4 document View SEC filing for 4 24 Apr 2024 22 Apr 2024 001-36083
4 Open 4 document View SEC filing for 4 24 Jan 2024 22 Jan 2024 001-36083
4 Open 4 document View SEC filing for 4 09 Jan 2024 05 Jan 2024 001-36083
4 Open 4 document View SEC filing for 4 25 Oct 2023 23 Oct 2023 001-36083
4 Open 4 document View SEC filing for 4 11 Aug 2023 10 Aug 2023 001-36083
144 Open 144 document View SEC filing for 144 10 Aug 2023
4 Open 4 document View SEC filing for 4 10 Aug 2023 08 Aug 2023 001-36083
144 Open 144 document View SEC filing for 144 09 Aug 2023
4 Open 4 document View SEC filing for 4 26 Jul 2023 24 Jul 2023 001-36083
4 Open 4 document View SEC filing for 4 28 Jun 2023 26 Jun 2023 001-36083
4 Open 4 document View SEC filing for 4 26 Apr 2023 24 Apr 2023 001-36083
4 Open 4 document View SEC filing for 4 25 Jan 2023 23 Jan 2023 001-36083
4 Open 4 document View SEC filing for 4 14 Nov 2022 10 Nov 2022 001-36083
4 Open 4 document View SEC filing for 4 26 Oct 2022 24 Oct 2022 001-36083
4 Open 4 document View SEC filing for 4 26 Jul 2022 22 Jul 2022 001-36083
4 Open 4 document View SEC filing for 4 29 Jun 2022 27 Jun 2022 001-36083
4 Open 4 document View SEC filing for 4 26 Apr 2022 22 Apr 2022 001-36083
4 Open 4 document View SEC filing for 4 26 Jan 2022 24 Jan 2022 001-36083
4 Open 4 document View SEC filing for 4 26 Oct 2021 22 Oct 2021 001-36083
4 Open 4 document View SEC filing for 4 26 Jul 2021 22 Jul 2021 001-36083
4 Open 4 document View SEC filing for 4 21 Jun 2021 11 Jun 2021 001-36083
4 Open 4 document View SEC filing for 4 15 Jun 2021 11 Jun 2021 001-36083
4 Open 4 document View SEC filing for 4 26 Apr 2021 22 Apr 2021 001-36083
4/A Open 4/A document View SEC filing for 4/A 11 Mar 2021 19 Feb 2021 001-36083
4 Open 4 document View SEC filing for 4 23 Feb 2021 19 Feb 2021 001-36083
4 Open 4 document View SEC filing for 4 18 Feb 2021 16 Feb 2021 001-36083
4 Open 4 document View SEC filing for 4 29 Jan 2021 27 Jan 2021 001-36083
4 Open 4 document View SEC filing for 4 26 Jan 2021 22 Jan 2021 001-36083
4 Open 4 document View SEC filing for 4 26 Oct 2020 22 Oct 2020 001-36083
4 Open 4 document View SEC filing for 4 19 Aug 2020 17 Aug 2020 001-36083
4 Open 4 document View SEC filing for 4 24 Jul 2020 22 Jul 2020 001-36083
4 Open 4 document View SEC filing for 4 22 Jul 2020 20 Jul 2020 001-36083
4 Open 4 document View SEC filing for 4 08 Jul 2020 06 Jul 2020 001-36083
4 Open 4 document View SEC filing for 4 10 Jun 2020 08 Jun 2020 001-36083
4 Open 4 document View SEC filing for 4 24 Apr 2020 22 Apr 2020 001-36083
4 Open 4 document View SEC filing for 4 07 Feb 2020 05 Feb 2020 001-36083
4 Open 4 document View SEC filing for 4 05 Feb 2020 03 Feb 2020 001-36083
4 Open 4 document View SEC filing for 4 24 Jan 2020 22 Jan 2020 001-36083
4 Open 4 document View SEC filing for 4 07 Nov 2019 05 Nov 2019 001-36083
4 Open 4 document View SEC filing for 4 24 Oct 2019 22 Oct 2019 001-36083
4 Open 4 document View SEC filing for 4 07 Aug 2019 05 Aug 2019 001-36083
4 Open 4 document View SEC filing for 4 24 Jul 2019 22 Jul 2019 001-36083
4 Open 4 document View SEC filing for 4 08 May 2019 06 May 2019 001-36083
4 Open 4 document View SEC filing for 4 23 Apr 2019 22 Apr 2019 001-36083
4 Open 4 document View SEC filing for 4 14 Feb 2019 12 Feb 2019 001-36083
4 Open 4 document View SEC filing for 4 07 Feb 2019 05 Feb 2019 001-36083
4 Open 4 document View SEC filing for 4 04 Feb 2019 31 Jan 2019 001-36083
4 Open 4 document View SEC filing for 4 24 Jan 2019 22 Jan 2019 001-36083
4 Open 4 document View SEC filing for 4 07 Nov 2018 05 Nov 2018 001-36083
4 Open 4 document View SEC filing for 4 02 Nov 2018 31 Oct 2018 001-36083
4 Open 4 document View SEC filing for 4 24 Oct 2018 22 Oct 2018 001-36083
4 Open 4 document View SEC filing for 4 08 Aug 2018 06 Aug 2018 001-36083
4 Open 4 document View SEC filing for 4 02 Aug 2018 31 Jul 2018 001-36083
4 Open 4 document View SEC filing for 4 25 Jul 2018 23 Jul 2018 001-36083
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 09 May 2018 07 May 2018 001-36083
4 Open 4 document View SEC filing for 4 FORM 4 03 May 2018 01 May 2018 001-36083
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 25 Apr 2018 23 Apr 2018 001-36083
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 07 Feb 2018 05 Feb 2018 001-36083
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 02 Feb 2018 31 Jan 2018 001-36083
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 24 Jan 2018 22 Jan 2018 001-36083
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 08 Nov 2017 06 Nov 2017 001-36083
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 02 Nov 2017 31 Oct 2017 001-36083
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 25 Oct 2017 23 Oct 2017 001-36083
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 31 Aug 2017 29 Aug 2017 001-36083
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 08 Aug 2017 07 Aug 2017 001-36083
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 31 Jul 2017 31 Jul 2017 001-36083
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 24 Jul 2017 24 Jul 2017 001-36083
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 19 Jul 2017 17 Jul 2017 001-36083
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 19 Jun 2017 15 Jun 2017 001-36083
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 11 May 2017 09 May 2017 001-36083
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 09 Mar 2017 07 Mar 2017 001-36083
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 23 Feb 2017 21 Feb 2017 001-36083
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 08 Feb 2017 06 Feb 2017 001-36083
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 02 Feb 2017 31 Jan 2017 001-36083
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 18 Nov 2016 17 Nov 2016 001-36083
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 09 Aug 2016 01 Aug 2016 001-36083
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 21 Mar 2016 17 Mar 2016 001-36083
4/A Open 4/A document View SEC filing for 4/A OWNERSHIP DOCUMENT 21 Mar 2016 14 Mar 2016 001-36083
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 16 Mar 2016 14 Mar 2016 001-36083
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 08 Feb 2016 04 Feb 2016 001-36083
4 Open 4 document View SEC filing for 4 FORM 4 03 Feb 2016 01 Feb 2016 001-36083
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 21 Apr 2015 17 Apr 2015 001-36083
4 Open 4 document View SEC filing for 4 FORM 4 03 Feb 2015 30 Jan 2015 001-36083
4 Open 4 document View SEC filing for 4 FORM 4 07 Nov 2014 05 Nov 2014 001-36083
4 Open 4 document View SEC filing for 4 FORM 4 07 Nov 2014 05 Nov 2014 001-36083
4 Open 4 document View SEC filing for 4 FORM 4 04 Aug 2014 01 Aug 2014 001-36083
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 06 Mar 2014 04 Mar 2014 001-36083
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 30 Jan 2014 28 Jan 2014 001-36083
4 Open 4 document View SEC filing for 4 FORM 4 30 Sep 2013 26 Sep 2013 001-36083
3 Open 3 document View SEC filing for 3 FORM 4 25 Sep 2013 25 Sep 2013 001-36083

About this filer

Hung-Lun (Fred) Chang files with the SEC under CIK 0001587462. 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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