Filer Snapshot

Mark L. Baum SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001274282.

Entity Type

Individual

Total Filings

74

Latest Filing

16 Dec 2025

Industry

n/a

Save this filer page for the next filing cycle

Keep this page in your research queue, then return to compare new filings with prior context.

Save and revisit

Save this filer page

Create a free account to keep this page in your watchlists and return after a new SEC filing changes the record here.

Best next steps

Start with the latest filings table, then open the strongest context page for this filer.

  • Use the filings table to verify the newest submission, form type, and report period.
  • Open the deeper context page only when this filer actually has insider or ownership signal.
Source: SEC Forms 3/4/5

4 filed on 16 Dec 2025 for CIK 0001274282.

View Source Filing
Business address
C/O Imprimis Pharmaceuticals, Inc, 12264 El Camino Real, Suite 350, San Diego, CA, 92130
Top holdings (ownership)
HROW
Top holdings (Schedule 13D)
HROW

Quick Takeaways

  • Mark L. Baum is an SEC filer tracked under CIK 0001274282.
  • 74 filings are listed on this profile.
  • Common form coverage includes 4, SCHEDULE 13D/A, SC 13D/A and more.

What Changed

  • Latest filing: 4 filed on 16 Dec 2025.
  • Report period: 12 Dec 2025.

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 Forms 3/4/5

4 filed on 16 Dec 2025 for CIK 0001274282.

View Source Filing

Return Loop

Why revisit this filer page

A newly filed 4 can change the filing history, ownership context, or next research path for Mark L. Baum.

Latest source-backed update
4 filed 16 Dec 2025
Why come back
Revisit after a new SEC filing appears to compare the updated record with prior filings.
  • Latest filing on record: 4 filed 16 Dec 2025.
  • 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.

Latest update

What changed recently for Mark L. Baum

Ownership report updated

Latest ownership report period: 12 Dec 2025. Open the source-backed page to inspect the fresh filing or facts context.

Update date

16 Dec 2025

Page type

Ownership filings

Latest period

12 Dec 2025

Ownership context was refreshed from SEC Forms 3/4/5 filed on 16 Dec 2025.

Filer Overview

Mark L. Baum has filed 74 SEC EDGAR filings since 23 Dec 2003. Common forms include 4, SCHEDULE 13D/A, SC 13D/A, 4/A and more.

Latest Filings

Recent SEC filings for Mark L. Baum with direct links to document and filing folders.

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open 4 document View SEC filing for 4 4 16 Dec 2025 12 Dec 2025 001-35814
4 Open 4 document View SEC filing for 4 23 Jul 2025 21 Jul 2025 001-35814
4 Open 4 document View SEC filing for 4 01 Jul 2025 01 Jul 2025 001-35814
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 07 Apr 2025
4 Open 4 document View SEC filing for 4 07 Apr 2025 03 Apr 2025 001-35814
4 Open 4 document View SEC filing for 4 25 Mar 2024 22 Mar 2024 001-35814
4 Open 4 document View SEC filing for 4 21 Feb 2024 20 Feb 2024 001-35814
4 Open 4 document View SEC filing for 4 08 Feb 2024 07 Feb 2024 001-35814
4 Open 4 document View SEC filing for 4 16 Nov 2023 16 Nov 2023 001-35814
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 18 Aug 2023
4 Open 4 document View SEC filing for 4 15 Aug 2023 14 Aug 2023 001-35814
4 Open 4 document View SEC filing for 4 20 Jul 2023 18 Jul 2023 001-35814
4 Open 4 document View SEC filing for 4 04 Apr 2023 03 Apr 2023 001-35814
4 Open 4 document View SEC filing for 4 03 Jan 2023 02 Jan 2023 001-35814
4 Open 4 document View SEC filing for 4 23 Dec 2022 22 Dec 2022 001-35814
4 Open 4 document View SEC filing for 4 21 Jan 2022 20 Jan 2022 001-35814
4 Open 4 document View SEC filing for 4 23 Jul 2021 23 Jul 2021 001-35814
4 Open 4 document View SEC filing for 4 27 Apr 2021 25 Apr 2021 001-35814
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A 27 Apr 2021
4 Open 4 document View SEC filing for 4 26 Feb 2021 25 Feb 2021 001-35814
4 Open 4 document View SEC filing for 4 23 Feb 2021 19 Feb 2021 001-35814
4 Open 4 document View SEC filing for 4 08 Jun 2020 04 Jun 2020 001-35814
4 Open 4 document View SEC filing for 4 16 Mar 2020 12 Mar 2020 001-38738
4/A Open 4/A document View SEC filing for 4/A 06 Jan 2020 02 Jan 2020 001-35814
4 Open 4 document View SEC filing for 4 06 Jan 2020 02 Jan 2020 001-35814
4 Open 4 document View SEC filing for 4 25 Nov 2019 22 Nov 2019 001-35814
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Mar 2019 20 Feb 2019 001-38738
4 Open 4 document View SEC filing for 4 21 Feb 2019 19 Feb 2019 001-35814
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 15 Nov 2018 15 Nov 2018 001-38738
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 13 Nov 2018 09 Nov 2018 001-38738
4 Open 4 document View SEC filing for 4 04 Jan 2018 02 Jan 2018 001-35814
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 06 Mar 2017 03 Mar 2017 001-36216
4 Open 4 document View SEC filing for 4 03 Feb 2017 01 Feb 2017 001-35814
4 Open 4 document View SEC filing for 4 FORM 4 20 Jan 2017 03 Jan 2017 001-36216
4 Open 4 document View SEC filing for 4 21 Dec 2016 19 Dec 2016 001-35814
4 Open 4 document View SEC filing for 4 26 Apr 2016 25 Apr 2016 001-35814
4 Open 4 document View SEC filing for 4 05 Apr 2016 01 Apr 2016 001-35814
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 06 Jan 2016 02 Jan 2015 001-36216
4 Open 4 document View SEC filing for 4 FORM 4 17 Nov 2015 13 Nov 2015 001-36216
4 Open 4 document View SEC filing for 4 05 Aug 2015 31 Jul 2015 001-35814
4/A Open 4/A document View SEC filing for 4/A OWNERSHIP DOCUMENT 24 Mar 2014 02 Jan 2014 001-36216
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 11 Feb 2014 10 Feb 2014 001-35814
4 Open 4 document View SEC filing for 4 07 Jan 2014 02 Jan 2014 001-36216
4 Open 4 document View SEC filing for 4 02 Dec 2013 27 Nov 2013 001-36216
3 Open 3 document View SEC filing for 3 21 Nov 2013 21 Nov 2013 001-36216
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 May 2013 02 May 2013 001-35814
5 Open 5 document View SEC filing for 5 PRIMARY DOCUMENT 15 Mar 2013 31 Dec 2012 001-35814
SC 13D Open SC 13D document View SEC filing for SC 13D SCHEDULE 13D 10 Aug 2012
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 20 Jul 2012 29 Jun 2012 000-52998
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SCHEDULE 13D/A 02 May 2012
SC 13D Open SC 13D document View SEC filing for SC 13D SCHEDULE 13D 30 Apr 2012
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 27 Apr 2012 12 Dec 2011 000-52998
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 22 Oct 2010 15 Oct 2010 000-52860
4/A Open 4/A document View SEC filing for 4/A PRIMARY DOCUMENT 21 Oct 2010 15 Oct 2010 000-52860
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 18 Oct 2010 15 Oct 2010 000-52860
5 Open 5 document View SEC filing for 5 FORM 5 26 Jan 2010 31 Dec 2009 000-52860
4 Open 4 document View SEC filing for 4 FORM 4 07 Jan 2010 15 Aug 2009 000-52860

About this filer

Mark L. Baum files with the SEC under CIK 0001274282. 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.