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.

Filer Snapshot

Michael S. Wyzga SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001201256.

Entity Type

Individual

Total Filings

Latest Filing

27 Feb 2026

Industry

n/a

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Source: SEC Forms 3/4/5

4 filed on 27 Feb 2026 for CIK 0001201256.

View Source Filing

Business address: Radius Health, Inc., 201 Broadway, 6 Th Floor, Cambridge, MA, 02139
Top holdings (ownership): MREO and XFOR

Quick Takeaways

Michael S. Wyzga is an SEC filer tracked under CIK 0001201256.
85 filings are listed on this profile.
Common form coverage includes 4, 3, 4/A.

What Changed

Latest filing: 4 filed on 27 Feb 2026.
Report period: 26 Feb 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 27 Feb 2026 for CIK 0001201256.

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 S. Wyzga.

Latest source-backed update: 4 filed 27 Feb 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 27 Feb 2026.
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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.

Jump to save and follow actions Open latest filings table

Latest update

What changed recently for Michael S. Wyzga

Ownership report updated

Latest ownership report period: 26 Feb 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

27 Feb 2026

Page type

Ownership filings

Latest period

26 Feb 2026

Ownership context was refreshed from SEC Forms 3/4/5 filed on 27 Feb 2026.

Open ownership filings Browse recent public updates

Filer Overview

Michael S. Wyzga has filed 85 SEC EDGAR filings since 02 Jul 2003. Common forms include 4, 3, 4/A.

Reporting owner transactions Latest 13F filings

Latest Filings

Recent SEC filings for Michael S. Wyzga with direct links to document and filing folders.

4 File 001-38452

4

Filing date: 27 Feb 2026
Reporting date: 26 Feb 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38295

FORM 4

Filing date: 05 Jan 2026
Reporting date: 01 Jan 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38295

FORM 4

Filing date: 10 Jun 2025
Reporting date: 09 Jun 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36279

4 filing

Filing date: 21 Apr 2025
Reporting date: 17 Apr 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36279

4 filing

Filing date: 17 Apr 2025
Reporting date: 15 Apr 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-36279

3 filing

Filing date: 17 Apr 2025
Reporting date: 15 Apr 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38452

4

Filing date: 06 Feb 2025
Reporting date: 05 Feb 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38452

4

Filing date: 17 Jun 2024
Reporting date: 17 Jun 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38295

FORM 4

Filing date: 11 Jun 2024
Reporting date: 10 Jun 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38452

4

Filing date: 09 Feb 2024
Reporting date: 08 Feb 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-38452

FORM 3 SUBMISSION

Filing date: 02 Jan 2024
Reporting date: 01 Jan 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38295

FORM 4

Filing date: 22 Aug 2023
Reporting date: 18 Aug 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38295

FORM 4

Filing date: 14 Jun 2023
Reporting date: 13 Jun 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-40703

FORM 4 SUBMISSION

Filing date: 25 May 2023
Reporting date: 23 May 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38707

FORM 4 SUBMISSION

Filing date: 17 Nov 2022
Reporting date: 16 Nov 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38295

FORM 4

Filing date: 27 Jun 2022
Reporting date: 06 Jun 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-40703

FORM 4 SUBMISSION

Filing date: 24 Jun 2022
Reporting date: 22 Jun 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38707

FORM 4 SUBMISSION

Filing date: 21 Jun 2022
Reporting date: 17 Jun 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-40703

FORM 4 SUBMISSION

Filing date: 09 Aug 2021
Reporting date: 05 Aug 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-40703

FORM 3 SUBMISSION

Filing date: 05 Aug 2021
Reporting date: 05 Aug 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38707

FORM 4 SUBMISSION

Filing date: 14 Jun 2021
Reporting date: 11 Jun 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38295

FORM 4

Filing date: 02 Jun 2021
Reporting date: 02 Jun 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35092

FORM 4 SUBMISSION

Filing date: 02 Mar 2021
Reporting date: 26 Feb 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38707

FORM 4 SUBMISSION

Filing date: 04 Jan 2021
Reporting date: 01 Jan 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35092

FORM 4 SUBMISSION

Filing date: 24 Jul 2020
Reporting date: 23 Jul 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38707

FORM 4 SUBMISSION

Filing date: 23 Jun 2020
Reporting date: 19 Jun 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38295

FORM 4

Filing date: 11 Jun 2020
Reporting date: 10 Jun 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38707

FORM 4 SUBMISSION

Filing date: 20 Dec 2019
Reporting date: 19 Dec 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35092

FORM 4 SUBMISSION

Filing date: 02 Aug 2019
Reporting date: 31 Jul 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35092

FORM 4 SUBMISSION

Filing date: 26 Jul 2019
Reporting date: 25 Jul 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A File 001-38295

FORM 4/A SUBMISSION

Filing date: 02 Apr 2019
Reporting date: 13 Mar 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38295

FORM 4 SUBMISSION

Filing date: 14 Mar 2019
Reporting date: 13 Mar 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-38295

FORM 3 SUBMISSION

Filing date: 14 Mar 2019
Reporting date: 13 Mar 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35092

FORM 4 SUBMISSION

Filing date: 01 Mar 2019
Reporting date: 28 Feb 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38707

FORM 4 SUBMISSION

Filing date: 22 Oct 2018
Reporting date: 18 Oct 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-38707

FORM 3 SUBMISSION

Filing date: 18 Oct 2018
Reporting date: 18 Oct 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35092

FORM 4 SUBMISSION

Filing date: 30 Aug 2018
Reporting date: 28 Aug 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35092

FORM 4 SUBMISSION

Filing date: 30 Jul 2018
Reporting date: 26 Jul 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35993

FORM 4

Filing date: 25 Jun 2018
Reporting date: 22 Jun 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36352

PRIMARY DOCUMENT

Filing date: 15 Jun 2018
Reporting date: 14 Jun 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35092

FORM 4 SUBMISSION

Filing date: 11 May 2018
Reporting date: 10 May 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35092

FORM 4 SUBMISSION

Filing date: 31 Jul 2017
Reporting date: 27 Jul 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36352

PRIMARY DOCUMENT

Filing date: 19 Jun 2017
Reporting date: 15 Jun 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35993

FORM 4

Filing date: 02 Jun 2017
Reporting date: 01 Jun 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35092

FORM 4 SUBMISSION

Filing date: 01 Aug 2016
Reporting date: 28 Jul 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35993

FORM 4

Filing date: 24 Jun 2016
Reporting date: 22 Jun 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36352

PRIMARY DOCUMENT

Filing date: 20 Jun 2016
Reporting date: 16 Jun 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35092

FORM 4 SUBMISSION

Filing date: 27 Jul 2015
Reporting date: 23 Jul 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35993

FORM 4

Filing date: 23 Jun 2015
Reporting date: 19 Jun 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36352

FORM 4 SUBMISSION

Filing date: 12 Jun 2015
Reporting date: 10 Jun 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35092

FORM 4 SUBMISSION

Filing date: 10 Feb 2015
Reporting date: 09 Feb 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-35092

FORM 3 SUBMISSION

Filing date: 10 Feb 2015
Reporting date: 09 Feb 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-49839

FORM 4 SUBMISSION

Filing date: 05 Aug 2014
Reporting date: 05 Aug 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35993

FORM 4

Filing date: 20 Jun 2014
Reporting date: 18 Jun 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-49839

FORM 4 SUBMISSION

Filing date: 06 Jun 2014
Reporting date: 05 Jun 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36352

FORM 4 SUBMISSION

Filing date: 27 Mar 2014
Reporting date: 25 Mar 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-36352

FORM 3 SUBMISSION

Filing date: 19 Mar 2014
Reporting date: 19 Mar 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35993

FORM 4

Filing date: 16 Oct 2013
Reporting date: 14 Oct 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-35993

FORM 3

Filing date: 16 Oct 2013
Reporting date: 14 Oct 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-49839

FORM 4 SUBMISSION

Filing date: 10 Jun 2013
Reporting date: 06 Jun 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-53173

4 filing

Filing date: 22 Jun 2012
Reporting date: 15 Dec 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-49839

FORM 4 SUBMISSION

Filing date: 11 Jun 2012
Reporting date: 07 Jun 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 000-53173

3

Filing date: 20 Apr 2012
Reporting date: 05 Dec 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-49839

FORM 4 SUBMISSION

Filing date: 02 Mar 2012
Reporting date: 01 Mar 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 000-49839

FORM 3 SUBMISSION

Filing date: 02 Mar 2012
Reporting date: 01 Mar 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-14680

4 filing

Filing date: 06 Apr 2011
Reporting date: 04 Apr 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-14680

4 filing

Filing date: 18 Jun 2010
Reporting date: 16 Jun 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-14680

4 filing

Filing date: 26 May 2010
Reporting date: 24 May 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

About this filer

Michael S. Wyzga files with the SEC under CIK 0001201256. 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.