LIBERTY MUTUAL INSURANCE CO SEC EDGAR Filings (CIK 0000316369)

SEC EDGAR filings, ownership reports, and insider transactions for LIBERTY MUTUAL INSURANCE CO.

Business address
175 Berkeley Street, Boston, MA, 02116
State of incorporation
MA
Fiscal year end
30 December
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LIBERTY MUTUAL INSURANCE CO has filed 125 SEC EDGAR filings since 27 Feb 1998

Latest Filings

Recent SEC filings for LIBERTY MUTUAL INSURANCE CO including 13F-NT, 4, 4/A and more.

Form type Document Filing Description Filing date Reporting date File number(s)
13F-NT Open 13F-NT document View SEC filing for 13F-NT 13 Feb 2026 31 Dec 2025 028-00033
4 Open 4 document View SEC filing for 4 4 18 Dec 2025 17 Dec 2025 814-01751
13F-NT Open 13F-NT document View SEC filing for 13F-NT 13 Nov 2025 30 Sep 2025 028-00033
4 Open 4 document View SEC filing for 4 4 26 Sep 2025 25 Sep 2025 814-01751
13F-NT Open 13F-NT document View SEC filing for 13F-NT 28 Jul 2025 30 Jun 2025 028-00033
4 Open 4 document View SEC filing for 4 4 30 Jun 2025 26 Jun 2025 814-01751
13F-NT Open 13F-NT document View SEC filing for 13F-NT 08 May 2025 31 Mar 2025 028-00033
4 Open 4 document View SEC filing for 4 4 28 Mar 2025 26 Mar 2025 814-01751
4/A Open 4/A document View SEC filing for 4/A 4/A 28 Mar 2025 23 Dec 2024 814-01751
3/A Open 3/A document View SEC filing for 3/A 3/A 28 Mar 2025 07 Nov 2024 814-01751
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Feb 2025 31 Dec 2024 028-00033
4/A Open 4/A document View SEC filing for 4/A 4/A 12 Feb 2025 23 Dec 2024 814-01751
4 Open 4 document View SEC filing for 4 4 26 Dec 2024 23 Dec 2024 814-01751
3 Open 3 document View SEC filing for 3 3 25 Nov 2024 07 Nov 2024 814-01751
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Nov 2024 30 Sep 2024 028-00033
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Aug 2024 30 Jun 2024 028-00033
13F-NT Open 13F-NT document View SEC filing for 13F-NT 11 Aug 2022 30 Jun 2022 028-00033
13F-NT Open 13F-NT document View SEC filing for 13F-NT 16 May 2022 31 Mar 2022 028-00033
13F-NT Open 13F-NT document View SEC filing for 13F-NT 11 Feb 2022 31 Dec 2021 028-00033
13F-NT Open 13F-NT document View SEC filing for 13F-NT 10 Nov 2021 30 Sep 2021 028-00033
13F-NT Open 13F-NT document View SEC filing for 13F-NT 13 Aug 2021 30 Jun 2021 028-00033
13F-NT Open 13F-NT document View SEC filing for 13F-NT 12 May 2021 31 Mar 2021 028-00033
13F-NT Open 13F-NT document View SEC filing for 13F-NT 12 Feb 2021 31 Dec 2020 028-00033
13F-NT Open 13F-NT document View SEC filing for 13F-NT 12 Nov 2020 30 Sep 2020 028-00033
13F-NT Open 13F-NT document View SEC filing for 13F-NT 11 Aug 2020 30 Jun 2020 028-00033
13F-NT Open 13F-NT document View SEC filing for 13F-NT 06 May 2020 31 Mar 2020 028-00033
13F-NT Open 13F-NT document View SEC filing for 13F-NT 30 Jan 2020 31 Dec 2019 028-00033
13F-NT Open 13F-NT document View SEC filing for 13F-NT 06 Nov 2019 30 Sep 2019 028-00033
13F-NT Open 13F-NT document View SEC filing for 13F-NT 08 Aug 2019 30 Jun 2019 028-00033
13F-NT Open 13F-NT document View SEC filing for 13F-NT 10 May 2019 31 Mar 2019 028-00033
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Feb 2019 31 Dec 2018 028-00033
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Nov 2018 30 Sep 2018 028-00033
13F-NT Open 13F-NT document View SEC filing for 13F-NT 10 Aug 2018 30 Jun 2018 028-00033
13F-NT Open 13F-NT document View SEC filing for 13F-NT 11 Aug 2017 30 Jun 2017 028-00033
13F-NT Open 13F-NT document View SEC filing for 13F-NT 12 May 2017 31 Mar 2017 028-00033
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Feb 2017 31 Dec 2016 028-00033
13F-NT Open 13F-NT document View SEC filing for 13F-NT 10 Nov 2016 30 Sep 2016 028-00033
13F-NT Open 13F-NT document View SEC filing for 13F-NT 12 Aug 2016 30 Jun 2016 028-00033
13F-NT Open 13F-NT document View SEC filing for 13F-NT 06 May 2016 31 Mar 2016 028-00033
13F-NT Open 13F-NT document View SEC filing for 13F-NT 09 Feb 2016 31 Dec 2015 028-00033
13F-NT Open 13F-NT document View SEC filing for 13F-NT 12 Nov 2015 30 Sep 2015 028-00033
13F-NT Open 13F-NT document View SEC filing for 13F-NT 11 Aug 2015 30 Jun 2015 028-00033
13F-NT Open 13F-NT document View SEC filing for 13F-NT 13 May 2015 31 Mar 2015 028-00033
13F-NT Open 13F-NT document View SEC filing for 13F-NT 13 Feb 2015 31 Dec 2014 028-00033
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Nov 2014 30 Sep 2014 028-00033
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Aug 2014 30 Jun 2014 028-00033
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 May 2014 31 Mar 2014 028-00033
13F-NT Open 13F-NT document View SEC filing for 13F-NT 13 Feb 2014 31 Dec 2013 028-00033
13F-NT Open 13F-NT document View SEC filing for 13F-NT 13 Nov 2013 30 Sep 2013 028-00033
13F-NT Open 13F-NT document View SEC filing for 13F-NT 13 Aug 2013 30 Jun 2013 028-00033
13F-NT Open 13F-NT document View SEC filing for 13F-NT FORM 13F-NT 13 May 2013 31 Mar 2013 028-00033
13F-NT Open 13F-NT document View SEC filing for 13F-NT FORM 13F 13 Feb 2013 31 Dec 2012 028-00033
13F-NT Open 13F-NT document View SEC filing for 13F-NT FORM 13F-NT 14 Nov 2012 30 Sep 2012 028-00033
13F-NT Open 13F-NT document View SEC filing for 13F-NT 13F-NT 13 Aug 2012 30 Jun 2012 028-00033
13F-NT Open 13F-NT document View SEC filing for 13F-NT FORM 13F 14 May 2012 31 Mar 2012 028-00033
13F-NT Open 13F-NT document View SEC filing for 13F-NT FORM 13F 14 Feb 2012 31 Dec 2011 028-00033
13F-NT Open 13F-NT document View SEC filing for 13F-NT NOTICE 14 Nov 2011 30 Sep 2011 028-00033
13F-NT Open 13F-NT document View SEC filing for 13F-NT FORM 13F 12 Aug 2011 30 Jun 2011 028-00033
13F-NT Open 13F-NT document View SEC filing for 13F-NT 13F-NT 13 May 2011 31 Mar 2011 028-00033
13F-NT Open 13F-NT document View SEC filing for 13F-NT 13F-NT 14 Feb 2011 31 Dec 2010 028-00033
13F-NT Open 13F-NT document View SEC filing for 13F-NT 13F-NT 15 Nov 2010 30 Sep 2010 028-00033
13F-HR Open 13F-HR document View SEC filing for 13F-HR FORM 13F 11 Aug 2010 30 Jun 2010 028-00033
13F-HR Open 13F-HR document View SEC filing for 13F-HR FORM 13F 12 May 2010 31 Mar 2010 028-00033
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A AMENDMENT NO.2 TO SCHEDULE 13G 12 Feb 2010
13F-HR Open 13F-HR document View SEC filing for 13F-HR 13F-HR 12 Feb 2010 31 Dec 2009 028-00033

About this filer

LIBERTY MUTUAL INSURANCE CO files with the SEC under CIK 0000316369. 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.

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