JONATHAN S. LEFF

Business address
C/O Deerfield Management Company, L.P, 780 Third Avenue, 37 Th Floor, New York, NY, 10017
Top holdings (ownership)
SPRY and LRMR
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JONATHAN S. LEFF has filed 130 SEC EDGAR filings since 26 Nov 2003

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 14 May 2025 13 May 2025 001-36510
4/A Open Document Open Filing 21 Apr 2025 14 Apr 2025 001-38762
4 Open Document Open Filing 18 Apr 2025 14 Apr 2025 001-38762
4 Open Document Open Filing 15 Jul 2024 11 Jul 2024 001-38762
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 31 May 2024 29 May 2024 001-36510
3 Open Document Open Filing 21 Mar 2024 15 Mar 2024 001-38762
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 11 May 2023 09 May 2023 001-36510
3 Open Document Open Filing FORM 3 SUBMISSION 10 Nov 2022 08 Nov 2022 001-39756
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 12 May 2022 10 May 2022 001-36510
4 Open Document Open Filing PRIMARY DOCUMENT 17 May 2021 12 May 2021 001-36510
4 Open Document Open Filing PRIMARY DOCUMENT 30 Sep 2020 29 Sep 2020 001-36510
3 Open Document Open Filing PRIMARY DOCUMENT 05 Jun 2020 28 May 2020 001-36510
4 Open Document Open Filing 12 Jun 2018 08 Jun 2018 001-36694
4 Open Document Open Filing OWNERSHIP DOCUMENT 04 Aug 2017 02 Aug 2017 001-36694
3 Open Document Open Filing OWNERSHIP DOCUMENT 04 Aug 2017 02 Aug 2017 001-36694
4 Open Document Open Filing FORM 4 SUBMISSION 12 Feb 2016 10 Feb 2016 001-37693
3 Open Document Open Filing FORM 3 SUBMISSION 10 Feb 2016 10 Feb 2016 001-37693
4 Open Document Open Filing 4 15 Sep 2015 11 Sep 2015 001-37449
4 Open Document Open Filing 4 20 Jul 2015 16 Jul 2015 001-37449
3 Open Document Open Filing 3 16 Jun 2015 16 Jun 2015 001-37449