Mark A. Shaffer

Business address
C/O Liquidity Services, Inc., 6931 Arlington Rd Ste 460, Bethesda, MD, 20814
Top holdings (ownership)
LQDT
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Mark A. Shaffer has filed 60 SEC EDGAR filings since 13 Jul 2016

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing 4 05 Jan 2026 01 Jan 2026 000-51813
4 Open Document Open Filing 4 03 Dec 2025 01 Dec 2025 000-51813
4 Open Document Open Filing 4 26 Nov 2025 24 Nov 2025 000-51813
4 Open Document Open Filing 4 31 Oct 2025 29 Oct 2025 000-51813
4 Open Document Open Filing 4 09 Sep 2025 25 Aug 2025 000-51813
4 Open Document Open Filing 4 27 Feb 2025 25 Feb 2025 000-51813
4 Open Document Open Filing 4 12 Feb 2025 10 Feb 2025 000-51813
144 Open Document Open Filing 12 Feb 2025
144 Open Document Open Filing 10 Feb 2025
4 Open Document Open Filing 4 21 Jan 2025 17 Jan 2025 000-51813
4 Open Document Open Filing 4 06 Jan 2025 02 Jan 2025 000-51813
4 Open Document Open Filing 4 23 Dec 2024 20 Dec 2024 000-51813
4 Open Document Open Filing 4 01 Nov 2024 30 Oct 2024 000-51813
4 Open Document Open Filing 4 27 Aug 2024 19 Aug 2024 000-51813
144 Open Document Open Filing 23 Aug 2024
4 Open Document Open Filing 4 21 Aug 2024 19 Aug 2024 000-51813
144 Open Document Open Filing 19 Aug 2024
144 Open Document Open Filing 19 Aug 2024
4 Open Document Open Filing FORM 4 SUBMISSION 04 Jan 2024 02 Jan 2024 000-51813
4 Open Document Open Filing FORM 4 SUBMISSION 22 Dec 2023 22 Dec 2023 000-51813
4 Open Document Open Filing FORM 4 SUBMISSION 07 Dec 2023 05 Dec 2023 000-51813
4 Open Document Open Filing FORM 4 04 Jan 2023 03 Jan 2023 000-51813
4 Open Document Open Filing FORM 4 15 Aug 2022 12 Aug 2022 000-51813
4 Open Document Open Filing FORM 4 12 Jan 2022 10 Jan 2022 000-51813
4 Open Document Open Filing FORM 4 05 Jan 2022 03 Jan 2022 000-51813
4 Open Document Open Filing FORM 4 09 Dec 2021 07 Dec 2021 000-51813
4 Open Document Open Filing FORM 4 04 Oct 2021 01 Oct 2021 000-51813
4 Open Document Open Filing FORM 4 13 May 2021 11 May 2021 000-51813
4 Open Document Open Filing FORM 4 18 Feb 2021 16 Feb 2021 000-51813
4 Open Document Open Filing FORM 4 09 Feb 2021 05 Feb 2021 000-51813
4 Open Document Open Filing FORM 4 21 Jan 2021 20 Jan 2021 000-51813
4 Open Document Open Filing FORM 4 20 Jan 2021 18 Jan 2021 000-51813
4 Open Document Open Filing FORM 4 05 Jan 2021 01 Jan 2021 000-51813
4 Open Document Open Filing FORM 4 28 Dec 2020 23 Dec 2020 000-51813
4 Open Document Open Filing FORM 4 03 Dec 2020 01 Dec 2020 000-51813
4 Open Document Open Filing FORM 4 02 Oct 2020 01 Oct 2020 000-51813
4 Open Document Open Filing FORM 4 01 Jul 2020 01 Jul 2020 000-51813
4 Open Document Open Filing FORM 4 10 Jan 2020 09 Jan 2020 000-51813
4 Open Document Open Filing FORM 4 06 Jan 2020 02 Jan 2020 000-51813
4 Open Document Open Filing FORM 4 05 Dec 2019 03 Dec 2019 000-51813
4 Open Document Open Filing FORM 4 08 Oct 2019 07 Oct 2019 000-51813
4 Open Document Open Filing FORM 4 02 Oct 2019 01 Oct 2019 000-51813
4 Open Document Open Filing FORM 4 02 Jul 2019 01 Jul 2019 000-51813
4 Open Document Open Filing FORM 4 12 Apr 2019 10 Apr 2019 000-51813
4 Open Document Open Filing FORM 4 11 Jan 2019 10 Jan 2019 000-51813
4 Open Document Open Filing FORM 4 04 Jan 2019 02 Jan 2019 000-51813
4 Open Document Open Filing FORM 4 10 Dec 2018 07 Dec 2018 000-51813
4 Open Document Open Filing FORM 4 06 Dec 2018 04 Dec 2018 000-51813
4 Open Document Open Filing FORM 4 09 Oct 2018 04 Oct 2018 000-51813
4 Open Document Open Filing FORM 4 03 Oct 2018 01 Oct 2018 000-51813
4 Open Document Open Filing FORM 4 02 Jul 2018 02 Jul 2018 000-51813
4 Open Document Open Filing FORM 4 03 Apr 2018 02 Apr 2018 000-51813
4 Open Document Open Filing FORM 4 13 Dec 2017 11 Dec 2017 000-51813
4 Open Document Open Filing FORM 4 04 Oct 2017 02 Oct 2017 000-51813
4 Open Document Open Filing FORM 4 06 Jul 2017 03 Jul 2017 000-51813
4 Open Document Open Filing FORM 4 05 Apr 2017 03 Apr 2017 000-51813
4 Open Document Open Filing FORM 4 07 Mar 2017 03 Mar 2017 000-51813
4 Open Document Open Filing FORM 4 - 11 Oct 2016 06 Oct 2016 000-51813
4 Open Document Open Filing FORM 4 - 05 Oct 2016 03 Oct 2016 000-51813
3 Open Document Open Filing FORM 3 - 13 Jul 2016 13 Jul 2016 000-51813