Filer Snapshot

Michael Castagna SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001674282.

Entity Type

Individual

Total Filings

90

Latest Filing

25 Mar 2026

Industry

n/a

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Go to latest filings table Open reporting owner context
Source: SEC Forms 3/4/5

4 filed on 25 Mar 2026 for CIK 0001674282.

View Source Filing
Business address
25134 Rye Canyon Loop, Suite 300, Valencia, CA, 91355
Top holdings (ownership)
MNKD

Quick Takeaways

  • Michael Castagna is an SEC filer tracked under CIK 0001674282.
  • 90 filings are listed on this profile.
  • Common form coverage includes 4, 144, 4/A and more.

What Changed

  • Latest filing: 4 filed on 25 Mar 2026.
  • Report period: 23 Mar 2026.

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 25 Mar 2026 for CIK 0001674282.

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 Michael Castagna.

Latest source-backed update
4 filed 25 Mar 2026
Why come back
Revisit after a new SEC filing appears to compare the updated record with prior filings.
  • Latest filing on record: 4 filed 25 Mar 2026.
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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 Michael Castagna

Ownership report updated

Latest ownership report period: 23 Mar 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

25 Mar 2026

Page type

Ownership filings

Latest period

23 Mar 2026

Ownership context was refreshed from SEC Forms 3/4/5 filed on 25 Mar 2026.

Open ownership filings Browse recent public updates

Filer Overview

Michael Castagna has filed 90 SEC EDGAR filings since 18 May 2016. Common forms include 4, 144, 4/A, 5 and more.

Reporting owner transactions Latest 13F filings

Latest Filings

Recent SEC filings for Michael Castagna 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 25 Mar 2026 23 Mar 2026 000-50865
4 Open 4 document View SEC filing for 4 4 10 Mar 2026 10 Mar 2026 000-50865
4 Open 4 document View SEC filing for 4 4 02 Mar 2026 26 Feb 2026 000-50865
4 Open 4 document View SEC filing for 4 4 29 Dec 2025 24 Dec 2025 000-50865
4 Open 4 document View SEC filing for 4 4 19 Dec 2025 17 Dec 2025 000-50865
4 Open 4 document View SEC filing for 4 4 16 Dec 2025 12 Dec 2025 000-50865
144 Open 144 document View SEC filing for 144 12 Dec 2025
4 Open 4 document View SEC filing for 4 4 04 Dec 2025 02 Dec 2025 000-50865
144 Open 144 document View SEC filing for 144 02 Dec 2025
4 Open 4 document View SEC filing for 4 4 17 Jul 2025 15 Jul 2025 000-50865
4 Open 4 document View SEC filing for 4 4 20 May 2025 19 May 2025 000-50865
4 Open 4 document View SEC filing for 4 4 16 May 2025 14 May 2025 000-50865
4 Open 4 document View SEC filing for 4 4 15 May 2025 10 May 2025 000-50865
4 Open 4 document View SEC filing for 4 4 04 Apr 2025 04 Apr 2025 000-50865
4 Open 4 document View SEC filing for 4 4 29 Aug 2024 27 Aug 2024 000-50865
144 Open 144 document View SEC filing for 144 29 Aug 2024
4 Open 4 document View SEC filing for 4 4 17 Jul 2024 15 Jul 2024 000-50865
4 Open 4 document View SEC filing for 4 4 21 May 2024 17 May 2024 000-50865
4 Open 4 document View SEC filing for 4 4 17 May 2024 15 May 2024 000-50865
4 Open 4 document View SEC filing for 4 4 14 May 2024 10 May 2024 000-50865
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Feb 2024 30 Jun 2023 000-50865
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 15 Dec 2023 14 Dec 2023 000-50865
144 Open 144 document View SEC filing for 144 15 Dec 2023
144 Open 144 document View SEC filing for 144 14 Dec 2023
144 Open 144 document View SEC filing for 144 14 Dec 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Nov 2023 01 Nov 2023 000-50865
144 Open 144 document View SEC filing for 144 01 Nov 2023
4/A Open 4/A document View SEC filing for 4/A FORM 4/A SUBMISSION 03 Oct 2023 02 Oct 2023 000-50865
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Oct 2023 02 Oct 2023 000-50865
144 Open 144 document View SEC filing for 144 02 Oct 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Sep 2023 01 Sep 2023 000-50865
144 Open 144 document View SEC filing for 144 01 Sep 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 28 Aug 2023 27 Aug 2023 000-50865
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Aug 2023 01 Aug 2023 000-50865
144 Open 144 document View SEC filing for 144 01 Aug 2023
4/A Open 4/A document View SEC filing for 4/A FORM 4/A SUBMISSION 07 Jul 2023 03 Jul 2023 000-50865
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Jul 2023 03 Jul 2023 000-50865
144 Open 144 document View SEC filing for 144 03 Jul 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Jun 2023 01 Jun 2023 000-50865
144 Open 144 document View SEC filing for 144 01 Jun 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 26 May 2023 25 May 2023 000-50865
144 Open 144 document View SEC filing for 144 26 May 2023
144 Open 144 document View SEC filing for 144 25 May 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 24 May 2023 22 May 2023 000-50865
144 Open 144 document View SEC filing for 144 24 May 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 May 2023 18 May 2023 000-50865
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 12 May 2023 10 May 2023 000-50865
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 May 2023 05 May 2023 000-50865
144 Open 144 document View SEC filing for 144 05 May 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Apr 2023 03 Apr 2023 000-50865
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2023 01 Mar 2023 000-50865
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 29 Aug 2022 27 Aug 2022 000-50865
4/A Open 4/A document View SEC filing for 4/A FORM 4/A SUBMISSION 24 Aug 2022 31 Jul 2022 000-50865
4/A Open 4/A document View SEC filing for 4/A FORM 4/A SUBMISSION 24 Aug 2022 28 Feb 2022 000-50865
4/A Open 4/A document View SEC filing for 4/A FORM 4/A SUBMISSION 24 Aug 2022 31 Jan 2022 000-50865
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Aug 2022 31 Jul 2022 000-50865
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 20 May 2022 18 May 2022 000-50865
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 12 May 2022 10 May 2022 000-50865
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Mar 2022 28 Feb 2022 000-50865
4/A Open 4/A document View SEC filing for 4/A FORM 4/A SUBMISSION 09 Feb 2022 31 Jan 2022 000-50865
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Feb 2022 31 Jan 2022 000-50865
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 27 Aug 2021 27 Aug 2021 000-50865
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Aug 2021 30 Jul 2021 000-50865
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 20 May 2021 18 May 2021 000-50865
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Mar 2021 05 Mar 2021 000-50865
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Feb 2021 31 Jan 2021 000-50865
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 31 Aug 2020 27 Aug 2020 000-50865
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Aug 2020 31 Jul 2020 000-50865
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 16 Jun 2020 12 Jun 2020 000-50865
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 28 Feb 2020 25 Feb 2020 000-50865
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Feb 2020 31 Jan 2020 000-50865
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 31 Jul 2019 31 Jul 2019 000-50865
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 16 May 2019 14 May 2019 000-50865
4/A Open 4/A document View SEC filing for 4/A FORM 4/A SUBMISSION 13 Mar 2019 14 Nov 2018 000-50865
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 25 Feb 2019 20 Feb 2019 000-50865
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 31 Jan 2019 31 Jan 2019 000-50865
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 15 Nov 2018 14 Nov 2018 000-50865
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 06 Aug 2018 02 Aug 2018 000-50865
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 14 Jun 2018 14 Jun 2018 000-50865
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 18 May 2018 16 May 2018 000-50865
5 Open 5 document View SEC filing for 5 FORM 5 SUBMISSION 14 Feb 2018 31 Dec 2017 000-50865
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 20 Dec 2017 20 Dec 2017 000-50865
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 14 Jun 2017 26 May 2017 000-50865
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 29 Aug 2016 26 Aug 2016 000-50865
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 24 Aug 2016 24 Aug 2016 000-50865
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 24 Aug 2016 23 Aug 2016 000-50865
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 16 Aug 2016 12 Aug 2016 000-50865
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 24 May 2016 19 May 2016 000-50865
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 18 May 2016 17 May 2016 000-50865
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 18 May 2016 17 May 2016 000-50865

About this filer

Michael Castagna files with the SEC under CIK 0001674282. 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.