DAVID S. GRAYZEL

Business address
C/O Surface Oncology, 50 Hampshire St., 8 Th Floor, Cambridge, MA, 02139
Top holdings (ownership)
AVTE and QTTB
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DAVID S. GRAYZEL has filed 26 SEC EDGAR filings since 18 Apr 2018

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing 4 27 Oct 2025 23 Oct 2025 001-38433
4 Open Document Open Filing 4 26 Feb 2025 15 Jan 2025 001-38433
4 Open Document Open Filing 4 14 Aug 2024 01 Apr 2024 001-38433
4 Open Document Open Filing 07 Jun 2024 05 Jun 2024 001-40544
4 Open Document Open Filing 11 Apr 2024 09 Apr 2024 001-40544
4 Open Document Open Filing 4 27 Mar 2024 25 Mar 2024 001-38433
3 Open Document Open Filing 3 27 Mar 2024 25 Mar 2024 001-38433
4 Open Document Open Filing 04 Jan 2024 02 Jan 2024 001-40544
4 Open Document Open Filing FORM 4 SUBMISSION 08 Sep 2023 08 Sep 2023 001-38459
4 Open Document Open Filing 08 Jun 2023 06 Jun 2023 001-40544
4 Open Document Open Filing 05 Jan 2023 03 Jan 2023 001-40544
4 Open Document Open Filing 22 Jun 2022 21 Jun 2022 001-40544
4 Open Document Open Filing FORM 4 SUBMISSION 10 Jun 2022 08 Jun 2022 001-38459
4 Open Document Open Filing 05 Jan 2022 03 Jan 2022 001-40544
4 Open Document Open Filing OWNERSHIP DOCUMENT 06 Jul 2021 01 Jul 2021 001-40544
4 Open Document Open Filing OWNERSHIP DOCUMENT 01 Jul 2021 01 Feb 2021 001-40544
3 Open Document Open Filing OWNERSHIP DOCUMENT 29 Jun 2021 29 Jun 2021 001-40544
4 Open Document Open Filing FORM 4 SUBMISSION 10 Jun 2021 08 Jun 2021 001-38459
4/A Open Document Open Filing 4/A 21 Dec 2020 17 Dec 2020 001-38459
4 Open Document Open Filing 4 21 Dec 2020 17 Dec 2020 001-38459
4 Open Document Open Filing FORM 4 SUBMISSION 12 Jun 2020 10 Jun 2020 001-38459
4 Open Document Open Filing FORM 4 SUBMISSION 03 Oct 2019 01 Oct 2019 001-38459
4 Open Document Open Filing FORM 4 SUBMISSION 02 Jul 2019 01 Jul 2019 001-38459
4 Open Document Open Filing FORM 4 SUBMISSION 06 Jun 2019 05 Jun 2019 001-38459
4 Open Document Open Filing FORM 4 SUBMISSION 23 Apr 2018 23 Apr 2018 001-38459
3 Open Document Open Filing FORM 3 SUBMISSION 18 Apr 2018 18 Apr 2018 001-38459