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. Perry SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001250379.

Entity Type

Individual

Total Filings

Latest Filing

18 Dec 2025

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 18 Dec 2025 for CIK 0001250379.

View Source Filing

Business address: C/O Biotransplant Inc, 196 Boston Ave Suite 2800, Medford, MA, 02155
Top holdings (ownership): ARWR and RCEL

Quick Takeaways

Michael S. Perry is an SEC filer tracked under CIK 0001250379.
63 filings are listed on this profile.
Common form coverage includes 4, 144, 3 and more.

What Changed

Latest filing: 4 filed on 18 Dec 2025.
Report period: 16 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 18 Dec 2025 for CIK 0001250379.

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. Perry.

Latest source-backed update: 4 filed 18 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 18 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.

Jump to save and follow actions Open latest filings table

Latest update

What changed recently for Michael S. Perry

Ownership report updated

Latest ownership report period: 16 Dec 2025. Open the source-backed page to inspect the fresh filing or facts context.

Update date

18 Dec 2025

Page type

Ownership filings

Latest period

16 Dec 2025

Ownership context was refreshed from SEC Forms 3/4/5 filed on 18 Dec 2025.

Open ownership filings Browse recent public updates

Filer Overview

Michael S. Perry has filed 63 SEC EDGAR filings since 02 Nov 2005. Common forms include 4, 144, 3, 5 and more.

Reporting owner transactions Latest 13F filings

Latest Filings

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

4 File 001-38042

FORM 4

Filing date: 18 Dec 2025
Reporting date: 16 Dec 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38042

FORM 4

Filing date: 09 Dec 2025
Reporting date: 05 Dec 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

144

144 filing

Filing date: 05 Dec 2025
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38042

FORM 4

Filing date: 20 Dec 2024
Reporting date: 18 Dec 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38042

FORM 4

Filing date: 19 Dec 2023
Reporting date: 15 Dec 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38042

FORM 4 SUBMISSION

Filing date: 11 Jan 2023
Reporting date: 10 Jan 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39059

FORM 4 SUBMISSION

Filing date: 22 Nov 2022
Reporting date: 21 Nov 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39059

FORM 4 SUBMISSION

Filing date: 06 Sep 2022
Reporting date: 01 Sep 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39059

FORM 4 SUBMISSION

Filing date: 02 Jun 2022
Reporting date: 01 Jun 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39059

FORM 4 SUBMISSION

Filing date: 25 Feb 2022
Reporting date: 23 Feb 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38042

FORM 4 SUBMISSION

Filing date: 07 Jan 2022
Reporting date: 07 Jan 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38042

FORM 4 SUBMISSION

Filing date: 04 Jan 2022
Reporting date: 03 Jan 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39059

FORM 4 SUBMISSION

Filing date: 27 Dec 2021
Reporting date: 22 Dec 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39059

FORM 4 SUBMISSION

Filing date: 07 Sep 2021
Reporting date: 01 Sep 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39059

FORM 4 SUBMISSION

Filing date: 04 Jun 2021
Reporting date: 02 Jun 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38042

FORM 4 SUBMISSION

Filing date: 05 Jan 2021
Reporting date: 01 Jan 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39059

FORM 4 SUBMISSION

Filing date: 16 Sep 2020
Reporting date: 14 Sep 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-39059

FORM 4 SUBMISSION

Filing date: 11 Sep 2020
Reporting date: 09 Sep 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-39059

FORM 3 SUBMISSION

Filing date: 10 Jul 2020
Reporting date: 30 Jun 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38042

FORM 4 SUBMISSION

Filing date: 18 May 2020
Reporting date: 14 May 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38042

FORM 4 SUBMISSION

Filing date: 13 May 2020
Reporting date: 12 May 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

5 File 001-37544

OWNERSHIP DOCUMENT

Filing date: 14 Feb 2020
Reporting date: 31 Dec 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38042

FORM 4 SUBMISSION

Filing date: 03 Jan 2020
Reporting date: 01 Jan 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38042

FORM 4 SUBMISSION

Filing date: 11 Sep 2019
Reporting date: 09 Sep 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-37544

OWNERSHIP DOCUMENT

Filing date: 24 May 2019
Reporting date: 22 May 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38042

FORM 4 SUBMISSION

Filing date: 03 Jan 2019
Reporting date: 01 Jan 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-37544

FORM 4 SUBMISSION

Filing date: 26 Mar 2018
Reporting date: 29 Jun 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38042

FORM 4 SUBMISSION

Filing date: 03 Jan 2018
Reporting date: 01 Jan 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-37544

FORM 4 SUBMISSION

Filing date: 12 Sep 2017
Reporting date: 07 Sep 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-21898

FORM 4 SUBMISSION

Filing date: 04 Jan 2017
Reporting date: 01 Jan 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-21898

FORM 4 SUBMISSION

Filing date: 04 Jan 2016
Reporting date: 01 Jan 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-37544

OWNERSHIP DOCUMENT

Filing date: 23 Sep 2015
Reporting date: 21 Sep 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-21898

RSU GRANT

Filing date: 06 Mar 2015
Reporting date: 04 Mar 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 000-23930

FORM 3 M. PERRY

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

4 File 000-21898

GRANT OF RESTRICTED STOCK UNITS

Filing date: 10 Feb 2014
Reporting date: 06 Feb 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-21898

STOCK OPTION DATED 09/21/2013

Filing date: 24 Sep 2013
Reporting date: 21 Sep 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-21898

STOCK OPTION DATED 05/06/2013

Filing date: 08 May 2013
Reporting date: 06 May 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A File 000-21898

STOCK OPTION DATED 03/21/2013

Filing date: 01 Apr 2013
Reporting date: 21 Mar 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-21898

STOCK OPTION DATED 03/21/2013

Filing date: 25 Mar 2013
Reporting date: 21 Mar 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-21898

STOCK OPTION DATED 09/28/2012

Filing date: 02 Oct 2012
Reporting date: 28 Sep 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-16614

FORM 4 -

Filing date: 27 Mar 2012
Reporting date: 27 Mar 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-16614

FORM 4 -

Filing date: 27 Mar 2012
Reporting date: 26 Mar 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-21898

STOCK OPTION DATED 02/16/2012

Filing date: 21 Feb 2012
Reporting date: 16 Feb 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

3/A File 000-21898

STOCK OPTION DATED 12/22/2011

Filing date: 21 Feb 2012
Reporting date: 16 Feb 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-16614

FORM 4 -

Filing date: 17 Feb 2012
Reporting date: 16 Feb 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-16614

FORM 4 -

Filing date: 17 Feb 2012
Reporting date: 15 Feb 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 000-21898

STOCK OPTION DATED 12/22/2011

Filing date: 06 Jan 2012
Reporting date: 22 Dec 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-16614

FORM 4 -

Filing date: 14 Apr 2011
Reporting date: 13 Apr 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-16614

FORM 4 -

Filing date: 12 Apr 2011
Reporting date: 09 Apr 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-16614

FORM 4 -

Filing date: 15 Mar 2011
Reporting date: 14 Mar 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-16614

FORM 4 -

Filing date: 16 Feb 2011
Reporting date: 15 Feb 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-16614

FORM 4 -

Filing date: 03 Aug 2010
Reporting date: 30 Jul 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-23930

FORM 4 FOR RSU ISSUANCE

Filing date: 02 Jun 2010
Reporting date: 27 May 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-16614

FORM 4 -

Filing date: 21 Apr 2010
Reporting date: 20 Apr 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 000-16614

FORM 4 -

Filing date: 08 Feb 2010
Reporting date: 05 Feb 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 000-16614

FORM 3 -

Filing date: 08 Feb 2010
Reporting date: 05 Feb 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

About this filer

Michael S. Perry files with the SEC under CIK 0001250379. 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.

Michael S. Perry SEC EDGAR Filings

Save this filer page for the next filing cycle

Quick Takeaways

What Changed

Why This Matters

Source Evidence

Why revisit this filer page

What changed recently for Michael S. Perry

Filer Overview

Latest Filings

FORM 4

FORM 4

144 filing

FORM 4

FORM 4

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 3 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

OWNERSHIP DOCUMENT

FORM 4 SUBMISSION

FORM 4 SUBMISSION

OWNERSHIP DOCUMENT

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

FORM 4 SUBMISSION

OWNERSHIP DOCUMENT

RSU GRANT

FORM 3 M. PERRY

GRANT OF RESTRICTED STOCK UNITS

STOCK OPTION DATED 09/21/2013

STOCK OPTION DATED 05/06/2013

STOCK OPTION DATED 03/21/2013

STOCK OPTION DATED 03/21/2013

STOCK OPTION DATED 09/28/2012

FORM 4 -

FORM 4 -

STOCK OPTION DATED 02/16/2012

STOCK OPTION DATED 12/22/2011

FORM 4 -

FORM 4 -

STOCK OPTION DATED 12/22/2011

FORM 4 -

FORM 4 -

FORM 4 -

FORM 4 -

FORM 4 -

FORM 4 FOR RSU ISSUANCE

FORM 4 -

FORM 4 -

FORM 3 -

About this filer

FAQ

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