William H.C. Chang & Diana Shon Chang TTEE Chang Family Trust U/A DTD 10/23/2006

Business address
C/O Semler Scientific, Inc., 911 Bern Ct., San Jose, CA, 95112
State of incorporation
CA
Fiscal year end
December 31
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William H.C. Chang & Diana Shon Chang TTEE Chang Family Trust U/A DTD 10/23/2006 has filed 18 SEC EDGAR filings since 6/7/2018

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
144 Open Document Open Filing Dec 9, 2025
SC 13D/A Open Document Open Filing SC 13D/A Apr 20, 2023
5 Open Document Open Filing OWNERSHIP DOCUMENT Feb 14, 2023 Dec 31, 2022 001-36305
SC 13D/A Open Document Open Filing SC 13D/A Jan 5, 2023
SC 13D/A Open Document Open Filing SC 13D/A Oct 25, 2022
4 Open Document Open Filing FORM 4 Jun 4, 2021 Jun 2, 2021 001-36305
4 Open Document Open Filing OWNERSHIP DOCUMENT Jun 2, 2021 May 28, 2021 001-36305
5/A Open Document Open Filing FORM 5/A Mar 31, 2021 Dec 31, 2020 001-36305
5 Open Document Open Filing OWNERSHIP DOCUMENT Feb 16, 2021 Dec 31, 2020 001-36305
4 Open Document Open Filing FORM 4 Jan 27, 2020 Jan 23, 2020 001-36305
4 Open Document Open Filing OWNERSHIP DOCUMENT Jan 23, 2020 Jan 17, 2020 001-36305
4 Open Document Open Filing OWNERSHIP DOCUMENT Nov 14, 2019 Sep 3, 2019 001-36305
SC 13D/A Open Document Open Filing SC 13D/A Nov 14, 2019
SC 13D/A Open Document Open Filing SCHEDULE 13D/A May 7, 2019
4 Open Document Open Filing OWNERSHIP DOCUMENT May 6, 2019 May 6, 2019 001-36305
4 Open Document Open Filing FORM 4 Oct 3, 2018 Oct 1, 2018 001-36305
4 Open Document Open Filing OWNERSHIP DOCUMENT Jun 7, 2018 Apr 20, 2018 001-36305
SC 13D/A Open Document Open Filing AMENDMENT NO. 6 TO SCHEDULE 13D Jun 7, 2018