Filer Snapshot

Mark J. Day SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001769845.

Entity Type

Individual

Total Filings

20

Latest Filing

18 Jun 2024

Industry

n/a

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Source: SEC filing 144

144 filed on 18 Jun 2024 for CIK 0001769845.

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Business address
C/O Irhythm Technologies, Inc., 650 Townsend Street, Suite 500, San Francisco, CA, 94103
Top holdings (ownership)
IRTC

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Quick Takeaways

  • Mark J. Day is an SEC filer tracked under CIK 0001769845.
  • 20 filings are listed on this profile.
  • Common form coverage includes 144, 4, 4/A and more.

What Changed

  • Latest filing: 144 filed on 18 Jun 2024.
  • Report period: not specified in filing header.

Why This Matters

  • You can quote filing dates and form types directly from the SEC record on this page.
  • Use this profile before deeper ownership or insider analysis to confirm filing history context.

Source Evidence

Source: SEC filing 144

144 filed on 18 Jun 2024 for CIK 0001769845.

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Return Loop

Why revisit this filer page

A newly filed 144 can change the filing history, ownership context, or next research path for Mark J. Day.

Latest source-backed update
144 filed 18 Jun 2024
Why come back
Revisit after a new SEC filing appears to compare the updated record with prior filings.
  • Latest filing on record: 144 filed 18 Jun 2024.
  • Save this filer if you want a stable place to return after the next filing cycle.
  • Open the latest filing table or ownership context to verify what changed.

Filer freshness comes from SEC EDGAR submission history and related source-backed ownership or portfolio filings when available.

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Latest update

What changed recently for Mark J. Day

Ownership report updated

Latest ownership report period: 04 Mar 2024. Open the source-backed page to inspect the fresh filing or facts context.

Update date

05 Mar 2024

Page type

Ownership filings

Latest period

04 Mar 2024

Ownership context was refreshed from SEC Forms 3/4/5 filed on 05 Mar 2024.

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Filer Overview

Mark J. Day has filed 20 SEC EDGAR filings since 27 Mar 2019. Common forms include 144, 4, 4/A, 3.

Reporting owner transactions Latest 13F filings

Latest Filings

Recent SEC filings for Mark J. Day with direct links to document and filing folders.

Form type Document Filing Description Filing date Reporting date File number(s)
144 Open 144 document View SEC filing for 144 18 Jun 2024
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 Open 4 document View SEC filing for 4 FORM 4 04 Aug 2023 03 Aug 2023 001-37918
4 Open 4 document View SEC filing for 4 FORM 4 07 Mar 2023 03 Mar 2023 001-37918
4 Open 4 document View SEC filing for 4 FORM 4 01 Mar 2023 27 Feb 2023 001-37918
4 Open 4 document View SEC filing for 4 FORM 4 08 Mar 2022 04 Mar 2022 001-37918
4 Open 4 document View SEC filing for 4 FORM 4 17 Feb 2022 15 Feb 2022 001-37918
4/A Open 4/A document View SEC filing for 4/A FORM 4/A 22 Mar 2021 01 Mar 2021 001-37918
4 Open 4 document View SEC filing for 4 FORM 4 03 Mar 2021 01 Mar 2021 001-37918
4 Open 4 document View SEC filing for 4 FORM 4 25 Feb 2021 23 Feb 2021 001-37918
4 Open 4 document View SEC filing for 4 FORM 4 20 Jan 2021 17 Jan 2021 001-37918
4 Open 4 document View SEC filing for 4 FORM 4 05 Jan 2021 31 Dec 2020 001-37918
4 Open 4 document View SEC filing for 4 FORM 4 05 Oct 2020 01 Oct 2020 001-37918
4 Open 4 document View SEC filing for 4 FORM 4 13 Aug 2020 11 Aug 2020 001-37918
4 Open 4 document View SEC filing for 4 FORM 4 03 Mar 2020 01 Mar 2020 001-37918
4 Open 4 document View SEC filing for 4 FORM 4 27 Feb 2020 25 Feb 2020 001-37918
4 Open 4 document View SEC filing for 4 FORM 4 03 Jan 2020 31 Dec 2019 001-37918
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 27 Mar 2019 18 Mar 2019 001-37918

About this filer

Mark J. Day files with the SEC under CIK 0001769845. This page aggregates EDGAR filings and related ownership activity.

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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