Derrick Sung

Business address
C/O Irhythm Technologies, Inc., 650 Townsend Street, Suite 380, San Francisco, CA, 94103
Top holdings (ownership)
LUNG and UTRS
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Derrick Sung has filed 36 SEC EDGAR filings since 19 Oct 2016

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing 03 Dec 2025 01 Dec 2025 001-39562
3 Open Document Open Filing 10 Nov 2025 03 Nov 2025 001-39562
144 Open Document Open Filing 31 Jan 2024
4 Open Document Open Filing FORM 4 SUBMISSION 06 Sep 2023 01 Sep 2023 001-39562
4 Open Document Open Filing FORM 4 SUBMISSION 02 Jun 2023 01 Jun 2023 001-39562
4 Open Document Open Filing FORM 4 SUBMISSION 03 Mar 2023 01 Mar 2023 001-39562
4 Open Document Open Filing FORM 4 SUBMISSION 05 Dec 2022 01 Dec 2022 001-39562
4 Open Document Open Filing FORM 4 SUBMISSION 14 Nov 2022 14 Nov 2022 001-39562
4 Open Document Open Filing FORM 4 SUBMISSION 06 Sep 2022 01 Sep 2022 001-39562
4 Open Document Open Filing FORM 4 SUBMISSION 09 Aug 2022 19 Jul 2022 001-40919
3 Open Document Open Filing FORM 3 SUBMISSION 28 Jul 2022 19 Jul 2022 001-40919
4 Open Document Open Filing FORM 4 SUBMISSION 03 Jun 2022 01 Jun 2022 001-39562
4 Open Document Open Filing FORM 4 SUBMISSION 03 Mar 2022 01 Mar 2022 001-39562
4 Open Document Open Filing FORM 4 SUBMISSION 16 Dec 2021 14 Dec 2021 001-39562
4 Open Document Open Filing FORM 4 SUBMISSION 03 Dec 2021 01 Dec 2021 001-39562
4 Open Document Open Filing FORM 4 SUBMISSION 21 Sep 2021 20 Sep 2021 001-39562
4 Open Document Open Filing FORM 4 SUBMISSION 03 Sep 2021 01 Sep 2021 001-39562
4 Open Document Open Filing FORM 4 SUBMISSION 11 Jun 2021 01 Jun 2021 001-39562
4 Open Document Open Filing FORM 4 SUBMISSION 06 Apr 2021 05 Apr 2021 001-39562
3 Open Document Open Filing FORM 3 30 Sep 2020 30 Sep 2020 001-39562
4/A Open Document Open Filing FORM 4/A SUBMISSION 18 Mar 2019 27 Feb 2019 001-37918
4 Open Document Open Filing FORM 4 SUBMISSION 05 Mar 2019 01 Mar 2019 001-37918
4 Open Document Open Filing FORM 4 SUBMISSION 01 Mar 2019 27 Feb 2019 001-37918
4 Open Document Open Filing FORM 4 SUBMISSION 31 Jan 2019 30 Jan 2019 001-37918
4 Open Document Open Filing FORM 4 SUBMISSION 30 Jan 2019 28 Jan 2019 001-37918
4 Open Document Open Filing FORM 4 SUBMISSION 06 Nov 2018 05 Nov 2018 001-37918
4 Open Document Open Filing FORM 4 SUBMISSION 17 Oct 2018 16 Oct 2018 001-37918
4 Open Document Open Filing FORM 4 SUBMISSION 10 Oct 2018 09 Oct 2018 001-37918
4 Open Document Open Filing FORM 4 SUBMISSION 19 Sep 2018 18 Sep 2018 001-37918
4 Open Document Open Filing FORM 4 SUBMISSION 06 Aug 2018 02 Aug 2018 001-37918
4 Open Document Open Filing FORM 4 SUBMISSION 01 Aug 2018 31 Jul 2018 001-37918
4 Open Document Open Filing FORM 4 SUBMISSION 21 May 2018 18 May 2018 001-37918
4 Open Document Open Filing FORM 4 SUBMISSION 05 Mar 2018 01 Mar 2018 001-37918
4 Open Document Open Filing FORM 4 SUBMISSION 01 Mar 2018 27 Feb 2018 001-37918
4 Open Document Open Filing FORM 4 SUBMISSION 17 Feb 2017 16 Feb 2017 001-37918
3 Open Document Open Filing FORM 3 SUBMISSION 19 Oct 2016 19 Oct 2016 001-37918