Quentin S. Blackford SEC EDGAR Filings (CIK 0001612451)

SEC EDGAR filings, ownership reports, and insider transactions for Quentin S. Blackford.

Business address
C/O Irhythm Technologies, Inc., 699 8 Th Street, Ste 600, San Francisco, CA, 94103
Top holdings (ownership)
IRTC, ATEC, DXCM, and AXGN
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Quentin S. Blackford has filed 77 SEC EDGAR filings since 08 Aug 2014

Latest Filings

Recent SEC filings for Quentin S. Blackford including 4, 144, 4/A and more.

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open 4 document View SEC filing for 4 FORM 4 04 Nov 2025 03 Nov 2025 001-37918
4 Open 4 document View SEC filing for 4 FORM 4 06 Aug 2025 05 Aug 2025 001-37918
144 Open 144 document View SEC filing for 144 05 Aug 2025
4 Open 4 document View SEC filing for 4 13 Jun 2025 11 Jun 2025 000-52024
4 Open 4 document View SEC filing for 4 FORM 4 03 Jun 2025 30 May 2025 001-37918
4 Open 4 document View SEC filing for 4 06 May 2025 05 May 2025 000-52024
4 Open 4 document View SEC filing for 4 4 21 Apr 2025 21 Apr 2025 001-40902
4 Open 4 document View SEC filing for 4 FORM 4 04 Mar 2025 03 Mar 2025 001-37918
4 Open 4 document View SEC filing for 4 FORM 4 27 Feb 2025 25 Feb 2025 001-37918
4 Open 4 document View SEC filing for 4 05 Dec 2024 21 Nov 2024 000-52024
4 Open 4 document View SEC filing for 4 FORM 4 05 Nov 2024 31 May 2024 001-37918
4 Open 4 document View SEC filing for 4 14 Jun 2024 12 Jun 2024 000-52024
4 Open 4 document View SEC filing for 4 21 May 2024 17 May 2024 001-40902
4 Open 4 document View SEC filing for 4 08 Mar 2024 07 Mar 2024 000-52024
4 Open 4 document View SEC filing for 4 FORM 4 05 Mar 2024 04 Mar 2024 001-37918
4 Open 4 document View SEC filing for 4 FORM 4 01 Mar 2024 28 Feb 2024 001-37918
4 Open 4 document View SEC filing for 4 FORM 4 29 Feb 2024 27 Feb 2024 001-37918
4/A Open 4/A document View SEC filing for 4/A FORM 4/A 06 Dec 2023 06 Jun 2023 001-37918
4 Open 4 document View SEC filing for 4 21 Jun 2023 20 Jun 2023 000-52024
4 Open 4 document View SEC filing for 4 FORM 4 06 Jun 2023 06 Jun 2023 001-37918
4 Open 4 document View SEC filing for 4 19 May 2023 17 May 2023 001-40902
4 Open 4 document View SEC filing for 4 FORM 4 01 Mar 2023 27 Feb 2023 001-37918
3/A Open 3/A document View SEC filing for 3/A FORM 3/A 22 Feb 2023 01 Aug 2022 001-40902
4 Open 4 document View SEC filing for 4 FORM 4 04 Nov 2022 02 Nov 2022 001-37918
4 Open 4 document View SEC filing for 4 FORM 4 04 Aug 2022 01 Aug 2022 001-40902
3 Open 3 document View SEC filing for 3 FORM 3 04 Aug 2022 01 Aug 2022 001-40902
4 Open 4 document View SEC filing for 4 FORM 4 - 17 Jun 2022 15 Jun 2022 000-52024
4 Open 4 document View SEC filing for 4 FORM 4 01 Apr 2022 30 Mar 2022 001-36046
4 Open 4 document View SEC filing for 4 FORM 4 07 Oct 2021 05 Oct 2021 001-37918
3 Open 3 document View SEC filing for 3 FORM 3 05 Oct 2021 04 Oct 2021 001-37918
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 10 Sep 2021 08 Sep 2021 000-51222
4 Open 4 document View SEC filing for 4 FORM 4 - 21 Jun 2021 16 Jun 2021 000-52024
4 Open 4 document View SEC filing for 4 FORM 4 03 Jun 2021 01 Jun 2021 001-36046
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 Jun 2021 28 May 2021 000-51222
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 12 Mar 2021 10 Mar 2021 000-51222
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 10 Mar 2021 08 Mar 2021 000-51222
5 Open 5 document View SEC filing for 5 FORM 5 - 26 Jan 2021 31 Dec 2020 000-52024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 11 Sep 2020 09 Sep 2020 000-51222
4 Open 4 document View SEC filing for 4 FORM 4 - 08 Sep 2020 03 Sep 2020 001-36046
4 Open 4 document View SEC filing for 4 FORM 4 - 19 Jun 2020 17 Jun 2020 000-52024
4/A Open 4/A document View SEC filing for 4/A FORM 4/A - 12 Jun 2020 01 Jun 2020 001-36046
4/A Open 4/A document View SEC filing for 4/A FORM 4/A - 05 Jun 2020 09 Aug 2019 001-36046
4 Open 4 document View SEC filing for 4 FORM 4 - 03 Jun 2020 01 Jun 2020 001-36046
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Mar 2020 11 Mar 2020 000-51222
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 10 Mar 2020 08 Mar 2020 000-51222
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 12 Sep 2019 10 Sep 2019 000-51222
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 11 Sep 2019 09 Sep 2019 000-51222
4 Open 4 document View SEC filing for 4 FORM 4 - 05 Sep 2019 03 Sep 2019 001-36046
4 Open 4 document View SEC filing for 4 FORM 4 - 13 Aug 2019 09 Aug 2019 001-36046
4 Open 4 document View SEC filing for 4 FORM 4 - 25 Jun 2019 21 Jun 2019 000-52024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 30 May 2019 29 May 2019 000-51222
4 Open 4 document View SEC filing for 4 FORM 4 - 17 May 2019 15 May 2019 001-36046
3 Open 3 document View SEC filing for 3 FORM 3 - 06 May 2019 26 Apr 2019 001-36046
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Mar 2019 12 Mar 2019 000-51222
4 Open 4 document View SEC filing for 4 FORM 4 11 Mar 2019 08 Mar 2019 000-51222
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 13 Sep 2018 11 Sep 2018 000-51222
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 12 Sep 2018 10 Sep 2018 000-51222
4 Open 4 document View SEC filing for 4 FORM 4 - 01 Aug 2018 30 Jul 2018 000-52024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 12 Mar 2018 08 Mar 2018 000-51222
4 Open 4 document View SEC filing for 4 FORM 4 - 29 Dec 2017 28 Dec 2017 000-52024
3 Open 3 document View SEC filing for 3 FORM 3 - 06 Oct 2017 02 Oct 2017 000-52024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 08 Sep 2017 07 Sep 2017 000-51222
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 08 Sep 2017 07 Sep 2017 000-51222
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 10 Feb 2017 08 Feb 2017 000-50744
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Feb 2017 01 Feb 2017 000-50744
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Jan 2017 01 Jan 2017 000-50744
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Jul 2016 01 Jul 2016 000-50744
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Feb 2016 01 Feb 2016 000-50744
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 28 Jan 2016 26 Jan 2016 000-50744
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Jan 2016 01 Jan 2016 000-50744
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 07 Dec 2015 07 Dec 2015 000-50744
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Oct 2015 01 Oct 2015 000-50744
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 06 Jul 2015 01 Jul 2015 000-50744
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Apr 2015 03 Oct 2014 000-50744
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Jan 2015 01 Jan 2015 000-50744
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 20 Nov 2014 18 Nov 2014 000-50744
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 08 Aug 2014 01 Aug 2014 000-50744

About this filer

Quentin S. Blackford files with the SEC under CIK 0001612451. This page aggregates EDGAR filings and related ownership activity.

See reporting owner transactions.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
How often is this page updated?
Updates follow new EDGAR submissions and periodic data refreshes.

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