MPM ASSET MANAGEMENT LLC SEC EDGAR Filings (CIK 0001263048)

SEC EDGAR filings, ownership reports, and insider transactions for MPM ASSET MANAGEMENT LLC.

Business address
399 Boylston Street, Suite 1100, Boston, MA, 02116
Top holdings (ownership)
TCRR
Top securities (13F)
TRDA, DYN, HOWL, and RPTX
State of incorporation
DE
Fiscal year end
31 December
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MPM ASSET MANAGEMENT LLC has filed 126 SEC EDGAR filings since 09 Sep 2003

Latest Filings

Recent SEC filings for MPM ASSET MANAGEMENT LLC including 4, 3, 144 and more.

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open 4 document View SEC filing for 4 14 Jan 2026 12 Jan 2026 001-43047
3 Open 3 document View SEC filing for 3 08 Jan 2026 08 Jan 2026 001-43047
144 Open 144 document View SEC filing for 144 06 Jan 2026
144 Open 144 document View SEC filing for 144 29 Dec 2025
144 Open 144 document View SEC filing for 144 22 Dec 2025
144 Open 144 document View SEC filing for 144 10 Dec 2025
4 Open 4 document View SEC filing for 4 04 Dec 2025 02 Dec 2025 001-40366
144 Open 144 document View SEC filing for 144 03 Dec 2025
4 Open 4 document View SEC filing for 4 01 Dec 2025 26 Nov 2025 001-40366
4 Open 4 document View SEC filing for 4 25 Nov 2025 21 Nov 2025 001-40366
144 Open 144 document View SEC filing for 144 24 Nov 2025
4 Open 4 document View SEC filing for 4 20 Nov 2025 18 Nov 2025 001-40366
4 Open 4 document View SEC filing for 4 17 Nov 2025 13 Nov 2025 001-40366
144 Open 144 document View SEC filing for 144 17 Nov 2025
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Nov 2025 30 Sep 2025 028-13379
4 Open 4 document View SEC filing for 4 12 Nov 2025 07 Nov 2025 001-40366
144 Open 144 document View SEC filing for 144 10 Nov 2025
4 Open 4 document View SEC filing for 4 06 Nov 2025 04 Nov 2025 001-40366
144 Open 144 document View SEC filing for 144 04 Nov 2025
4 Open 4 document View SEC filing for 4 03 Nov 2025 30 Oct 2025 001-40366
144 Open 144 document View SEC filing for 144 30 Oct 2025
4 Open 4 document View SEC filing for 4 29 Oct 2025 27 Oct 2025 001-40366
144 Open 144 document View SEC filing for 144 27 Oct 2025
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Aug 2025 30 Jun 2025 028-13379
N-PX Open N-PX document View SEC filing for N-PX 12 Aug 2025 30 Jun 2025 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 May 2025 31 Mar 2025 028-13379
4 Open 4 document View SEC filing for 4 30 Apr 2025 27 Mar 2025 001-40366
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Feb 2025 31 Dec 2024 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 Nov 2024 30 Sep 2024 028-13379
N-PX Open N-PX document View SEC filing for N-PX 21 Aug 2024 30 Jun 2024 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Aug 2024 30 Jun 2024 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 May 2024 31 Mar 2024 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 Feb 2024 31 Dec 2023 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Nov 2023 30 Sep 2023 028-13379
13F-HR/A Open 13F-HR/A document View SEC filing for 13F-HR/A 07 Sep 2023 30 Jun 2023 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Aug 2023 30 Jun 2023 028-13379
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Jun 2023 01 Jun 2023 001-38811
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 24 May 2023 22 May 2023 001-38811
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 May 2023 31 Mar 2023 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Feb 2023 31 Dec 2022 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Nov 2022 30 Sep 2022 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR 11 Aug 2022 30 Jun 2022 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 May 2022 31 Mar 2022 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR 11 Feb 2022 31 Dec 2021 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 Nov 2021 30 Sep 2021 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 Aug 2021 30 Jun 2021 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 May 2021 31 Mar 2021 028-13379
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 15 Apr 2021 15 Apr 2021 001-38800
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 13 Apr 2021 09 Apr 2021 001-38800
13F-HR Open 13F-HR document View SEC filing for 13F-HR 16 Feb 2021 31 Dec 2020 028-13379
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 12 Feb 2021 10 Feb 2021 001-38800
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 09 Feb 2021 05 Feb 2021 001-38800
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Feb 2021 02 Feb 2021 001-38800
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 27 Jan 2021 25 Jan 2021 001-38800
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 22 Jan 2021 20 Jan 2021 001-38800
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 Nov 2020 30 Sep 2020 028-13379
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Oct 2020 06 Oct 2020 001-39575
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 01 Oct 2020 01 Oct 2020 001-39575
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 Aug 2020 30 Jun 2020 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 May 2020 31 Mar 2020 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Feb 2020 31 Dec 2019 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Nov 2019 30 Sep 2019 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Aug 2019 30 Jun 2019 028-13379
13F-HR/A Open 13F-HR/A document View SEC filing for 13F-HR/A 29 May 2019 31 Mar 2019 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 May 2019 31 Mar 2019 028-13379
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 21 Feb 2019 19 Feb 2019 001-38811
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 14 Feb 2019 12 Feb 2019 001-38800
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 13 Feb 2019 13 Feb 2019 001-38811
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 Feb 2019 31 Dec 2018 028-13379
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 07 Feb 2019 07 Feb 2019 001-38800
13F-HR Open 13F-HR document View SEC filing for 13F-HR 14 Nov 2018 30 Sep 2018 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 Aug 2018 30 Jun 2018 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR 11 May 2018 31 Mar 2018 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR 02 Feb 2018 31 Dec 2017 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13 Nov 2017 30 Sep 2017 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR 09 Aug 2017 30 Jun 2017 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 May 2017 31 Mar 2017 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR 07 Feb 2017 31 Dec 2016 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR 10 Nov 2016 30 Sep 2016 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR 08 Aug 2016 30 Jun 2016 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR 11 May 2016 31 Mar 2016 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR 04 Feb 2016 31 Dec 2015 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 Nov 2015 30 Sep 2015 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR 29 Jul 2015 30 Jun 2015 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR 27 Apr 2015 31 Mar 2015 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR 02 Feb 2015 31 Dec 2014 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR 23 Oct 2014 30 Sep 2014 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR 17 Jul 2014 30 Jun 2014 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR 08 May 2014 31 Mar 2014 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR 23 Jan 2014 31 Dec 2013 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR 26 Nov 2013 30 Sep 2013 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR 08 Aug 2013 30 Jun 2013 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13F 10 May 2013 31 Mar 2013 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR FORM 13F 11 Feb 2013 31 Dec 2012 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR FORM 13-F 26 Oct 2012 30 Sep 2012 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR FORM 13F 03 Aug 2012 30 Jun 2012 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR FORM 13F-HR 01 May 2012 31 Mar 2012 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR FORM 13F 11 Jan 2012 31 Dec 2011 028-13379
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 28 Oct 2011 27 Oct 2011 000-51171
13F-HR Open 13F-HR document View SEC filing for 13F-HR FORM 13-F 28 Oct 2011 30 Sep 2011 028-13379
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 27 Oct 2011 25 Oct 2011 000-51171
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 25 Oct 2011 21 Oct 2011 000-51171
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 21 Oct 2011 19 Oct 2011 000-51171
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 19 Oct 2011 17 Oct 2011 000-51171
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 17 Oct 2011 13 Oct 2011 000-51171
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 13 Oct 2011 11 Oct 2011 000-51171
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 11 Oct 2011 07 Oct 2011 000-51171
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 06 Oct 2011 28 Sep 2011 000-51171
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 28 Sep 2011 26 Sep 2011 000-51171
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13F-HR 27 Jul 2011 30 Jun 2011 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13F-HR 11 Apr 2011 31 Mar 2011 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR FORM 13F 21 Jan 2011 31 Dec 2010 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13F-HR 27 Oct 2010 30 Sep 2010 028-13379
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13F-HR 24 Aug 2010 30 Jun 2010 028-13379
13F-HR/A Open 13F-HR/A document View SEC filing for 13F-HR/A FORM 13F-HR/A 07 Apr 2010 31 Mar 2010 028-13379
13F-HR/A Open 13F-HR/A document View SEC filing for 13F-HR/A 13F-HR/A 05 Jan 2010 31 Dec 2009 028-13379
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 04 Jan 2010 01 Jan 2010 000-51171

About this filer

MPM ASSET MANAGEMENT LLC files with the SEC under CIK 0001263048. This page aggregates EDGAR filings and related ownership activity.

See reporting owner transactions.

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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