John Mark O'Mahony

Business address
C/O Leap Therapeutics, Inc., 47 Thorndike Street, Suite B1 1, Cambridge, MA, 02141
Top holdings (ownership)
LPTX
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John Mark O'Mahony has filed 14 SEC EDGAR filings since 06 Apr 2020

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing OWNERSHIP DOCUMENT 01 Jul 2025 30 Jun 2025 001-37990
4 Open Document Open Filing OWNERSHIP DOCUMENT 01 Apr 2025 28 Mar 2025 001-37990
4 Open Document Open Filing OWNERSHIP DOCUMENT 04 Oct 2024 02 Oct 2024 001-37990
4 Open Document Open Filing OWNERSHIP DOCUMENT 31 Jan 2024 29 Jan 2024 001-37990
4 Open Document Open Filing OWNERSHIP DOCUMENT 30 Jan 2024 26 Jan 2024 001-37990
4 Open Document Open Filing OWNERSHIP DOCUMENT 25 Aug 2023 23 Aug 2023 001-37990
4 Open Document Open Filing OWNERSHIP DOCUMENT 04 Apr 2023 31 Mar 2023 001-37990
4 Open Document Open Filing OWNERSHIP DOCUMENT 02 Sep 2022 01 Sep 2022 001-37990
4 Open Document Open Filing OWNERSHIP DOCUMENT 02 Feb 2022 31 Jan 2022 001-37990
4 Open Document Open Filing OWNERSHIP DOCUMENT 28 May 2021 26 May 2021 001-37990
4 Open Document Open Filing OWNERSHIP DOCUMENT 28 Jan 2021 26 Jan 2021 001-37990
4 Open Document Open Filing 4 12 Aug 2020 10 Aug 2020 001-37990
4 Open Document Open Filing 4 13 Apr 2020 09 Apr 2020 001-37990
3 Open Document Open Filing 3 06 Apr 2020 01 Apr 2020 001-37990