William D. Clark

Business address
C/O Genocea Biosciences, Inc., 100 Acorn Park Drive 5 Th Floor, Cambridge, MA, 02140
Top holdings (ownership)
GNCA and IBIO
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William D. Clark has filed 57 SEC EDGAR filings since 12 Apr 2006

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing OWNERSHIP DOCUMENT 24 Nov 2025 20 Nov 2025 001-35023
4 Open Document Open Filing 4 18 Apr 2025 17 Apr 2025 001-36332
3 Open Document Open Filing 3 18 Apr 2025 17 Apr 2025 001-36332
4 Open Document Open Filing OWNERSHIP DOCUMENT 13 Jan 2025 10 Jan 2025 001-35023
4 Open Document Open Filing OWNERSHIP DOCUMENT 25 Nov 2024 21 Nov 2024 001-35023
4 Open Document Open Filing FORM 4 03 Jun 2022 02 Jun 2022 001-36289
4 Open Document Open Filing FORM 4 02 Jun 2022 31 May 2022 001-36289
4 Open Document Open Filing FORM 4 05 Apr 2022 04 Apr 2022 001-36289
4 Open Document Open Filing FORM 4 17 Mar 2022 15 Mar 2022 001-36289
5 Open Document Open Filing FORM 5 16 Mar 2022 31 Dec 2021 001-36289
4 Open Document Open Filing OWNERSHIP DOCUMENT 13 Dec 2021 09 Dec 2021 001-35023
4 Open Document Open Filing OWNERSHIP DOCUMENT 25 Aug 2021 23 Aug 2021 001-35023
3 Open Document Open Filing OWNERSHIP DOCUMENT 25 Aug 2021 23 Aug 2021 001-35023
4 Open Document Open Filing FORM 4 17 Mar 2021 15 Mar 2021 001-36289
4 Open Document Open Filing FORM 4 18 Feb 2021 17 Feb 2021 001-36289
4 Open Document Open Filing FORM 4 10 Nov 2020 10 Nov 2020 001-36289
4 Open Document Open Filing FORM 4 02 Jun 2020 01 Jun 2020 001-36289
4 Open Document Open Filing FORM 4 06 Apr 2020 02 Apr 2020 001-36289
4 Open Document Open Filing FORM 4 18 Mar 2019 15 Mar 2019 001-36289
4 Open Document Open Filing FORM 4 11 Feb 2019 07 Feb 2019 001-36289
4 Open Document Open Filing FORM 4 25 Jun 2018 21 Jun 2018 001-36289
4 Open Document Open Filing FORM 4 SUBMISSION 07 Jun 2018 05 Jun 2018 001-38295
4/A Open Document Open Filing FORM 4/A SUBMISSION 05 Mar 2018 15 Nov 2017 001-38295
4 Open Document Open Filing FORM 4 12 Feb 2018 08 Feb 2018 001-36289
4 Open Document Open Filing FORM 4 19 Jan 2018 17 Jan 2018 001-36289
4 Open Document Open Filing FORM 4 SUBMISSION 01 Dec 2017 15 Nov 2017 001-38295
3 Open Document Open Filing FORM 3 SUBMISSION 15 Nov 2017 15 Nov 2017 001-38295
4 Open Document Open Filing FORM 4 01 Mar 2017 28 Feb 2017 001-36289
4 Open Document Open Filing FORM 4 09 Nov 2016 07 Nov 2016 001-36289
4 Open Document Open Filing FORM 4 04 Feb 2016 02 Feb 2016 001-36289
4 Open Document Open Filing FORM 4 16 Dec 2015 16 Dec 2015 001-36289
4 Open Document Open Filing PRIMARY DOCUMENT 02 Mar 2015 26 Feb 2015 001-36289
4 Open Document Open Filing PRIMARY DOCUMENT 15 Dec 2014 12 Dec 2014 001-36289
4 Open Document Open Filing PRIMARY DOCUMENT 04 Sep 2014 02 Sep 2014 001-36289
4 Open Document Open Filing FORM 4 - 11 Feb 2014 10 Feb 2014 001-36289
3 Open Document Open Filing FORM 3 - 04 Feb 2014 04 Feb 2014 001-36289