Katharine Weymouth SEC EDGAR Filings (CIK 0001501808)

SEC EDGAR filings, ownership reports, and insider transactions for Katharine Weymouth.

Business address
1812 North Moore Street, Suite 2100, Arlington, VA, 22209
Top holdings (ownership)
RSG, GHC, XMTR, and CABO
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Katharine Weymouth has filed 108 SEC EDGAR filings since 01 Oct 2010

Latest Filings

Recent SEC filings for Katharine Weymouth including 4, 144, 3 and more.

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open 4 document View SEC filing for 4 FORM 4 03 Feb 2026 31 Jan 2026 001-14267
4 Open 4 document View SEC filing for 4 FORM 4 20 Jan 2026 15 Jan 2026 001-14267
4 Open 4 document View SEC filing for 4 FORM 4 06 Jan 2026 02 Jan 2026 001-14267
4 Open 4 document View SEC filing for 4 29 Dec 2025 29 Dec 2025 001-06714
4 Open 4 document View SEC filing for 4 FORM 4 11 Dec 2025 09 Dec 2025 001-14267
4 Open 4 document View SEC filing for 4 FORM 4 17 Oct 2025 15 Oct 2025 001-14267
4 Open 4 document View SEC filing for 4 FORM 4 16 Jul 2025 15 Jul 2025 001-14267
4 Open 4 document View SEC filing for 4 FORM 4 16 Jun 2025 16 Jun 2025 001-36863
4 Open 4 document View SEC filing for 4 FORM 4 16 May 2025 15 May 2025 001-36863
4 Open 4 document View SEC filing for 4 FORM 4 17 Apr 2025 15 Apr 2025 001-14267
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Mar 2025 11 Mar 2025 001-40546
4 Open 4 document View SEC filing for 4 FORM 4 03 Feb 2025 31 Jan 2025 001-14267
4 Open 4 document View SEC filing for 4 FORM 4 17 Jan 2025 15 Jan 2025 001-14267
4 Open 4 document View SEC filing for 4 FORM 4 03 Jan 2025 02 Jan 2025 001-14267
4 Open 4 document View SEC filing for 4 FORM 4 09 Dec 2024 05 Dec 2024 001-14267
144 Open 144 document View SEC filing for 144 06 Dec 2024
4 Open 4 document View SEC filing for 4 FORM 4 14 Nov 2024 13 Nov 2024 001-06714
4 Open 4 document View SEC filing for 4 FORM 4 17 Oct 2024 15 Oct 2024 001-14267
4 Open 4 document View SEC filing for 4 FORM 4 17 Jul 2024 15 Jul 2024 001-14267
4 Open 4 document View SEC filing for 4 FORM 4 06 Jun 2024 04 Jun 2024 001-14267
4 Open 4 document View SEC filing for 4 FORM 4 17 May 2024 16 May 2024 001-36863
4 Open 4 document View SEC filing for 4 FORM 4 17 Apr 2024 15 Apr 2024 001-14267
4 Open 4 document View SEC filing for 4 FORM 4 15 Mar 2024 14 Mar 2024 001-06714
144 Open 144 document View SEC filing for 144 14 Mar 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Mar 2024 04 Mar 2024 001-40546
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 29 Feb 2024 27 Feb 2024 001-40546
4 Open 4 document View SEC filing for 4 FORM 4 02 Feb 2024 31 Jan 2024 001-14267
4 Open 4 document View SEC filing for 4 FORM 4 18 Jan 2024 16 Jan 2024 001-14267
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Jan 2024 13 Jan 2024 001-40546
4 Open 4 document View SEC filing for 4 FORM 4 03 Jan 2024 02 Jan 2024 001-14267
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Oct 2023 13 Oct 2023 001-14267
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 15 Aug 2023 11 Aug 2023 001-40546
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 18 Jul 2023 14 Jul 2023 001-14267
4 Open 4 document View SEC filing for 4 FORM 4 19 May 2023 19 May 2023 001-36863
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Apr 2023 14 Apr 2023 001-14267
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 23 Mar 2023 21 Mar 2023 001-40546
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 20 Mar 2023 16 Mar 2023 001-14267
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Feb 2023 31 Jan 2023 001-14267
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Jan 2023 13 Jan 2023 001-14267
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Jan 2023 03 Jan 2023 001-14267
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Oct 2022 14 Oct 2022 001-14267
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Jul 2022 15 Jul 2022 001-14267
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 24 May 2022 20 May 2022 001-36863
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 18 Apr 2022 14 Apr 2022 001-14267
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Mar 2022 15 Mar 2022 001-40546
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Jan 2022 14 Jan 2022 001-14267
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Jan 2022 03 Jan 2022 001-14267
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 13 Dec 2021 10 Dec 2021 001-40546
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Nov 2021 31 Oct 2021 001-14267
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Oct 2021 15 Oct 2021 001-14267
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 22 Jul 2021 20 Jul 2021 001-40546
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Jul 2021 15 Jul 2021 001-14267
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 07 Jul 2021 02 Jul 2021 001-40546
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 29 Jun 2021 29 Jun 2021 001-40546
4 Open 4 document View SEC filing for 4 FORM 4 25 May 2021 21 May 2021 001-36863
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Apr 2021 15 Apr 2021 001-14267
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Jan 2021 15 Jan 2021 001-14267
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Jan 2021 04 Jan 2021 001-14267
4 Open 4 document View SEC filing for 4 FORM 4 14 Dec 2020 11 Dec 2020 001-36863
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 16 Oct 2020 15 Oct 2020 001-14267
4 Open 4 document View SEC filing for 4 FORM 4 26 Aug 2020 25 Aug 2020 001-06714
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Jul 2020 15 Jul 2020 001-14267
4 Open 4 document View SEC filing for 4 FORM 4 18 May 2020 15 May 2020 001-36863
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Apr 2020 15 Apr 2020 001-14267
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Jan 2020 15 Jan 2020 001-14267
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Jan 2020 02 Jan 2020 001-14267
4 Open 4 document View SEC filing for 4 FORM 4 20 Nov 2019 18 Nov 2019 001-36863
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Oct 2019 15 Oct 2019 001-14267
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Jul 2019 15 Jul 2019 001-14267
4 Open 4 document View SEC filing for 4 FORM 4 21 May 2019 17 May 2019 001-36863
4 Open 4 document View SEC filing for 4 FORM 4 10 May 2019 08 May 2019 001-36863
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Apr 2019 15 Apr 2019 001-14267
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Jan 2019 15 Jan 2019 001-14267
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Jan 2019 02 Jan 2019 001-14267
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Oct 2018 15 Oct 2018 001-14267
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 11 Oct 2018 09 Oct 2018 001-06714
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Oct 2018 01 Oct 2018 001-14267
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 02 Oct 2018 01 Oct 2018 001-14267
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 25 Sep 2018 21 Sep 2018 001-06714
4 Open 4 document View SEC filing for 4 FORM 4 31 Aug 2018 31 Aug 2018 001-36863
3/A Open 3/A document View SEC filing for 3/A FORM 3/A 31 Aug 2018 01 Jul 2015 001-36863
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 09 Jul 2018 05 Jul 2018 001-06714
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 14 May 2018 11 May 2018 001-06714
4 Open 4 document View SEC filing for 4 FORM 4 09 May 2018 08 May 2018 001-36863
4 Open 4 document View SEC filing for 4 FORM 4 04 May 2018 02 May 2018 001-36863
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 18 Dec 2017 14 Dec 2017 001-06714
4 Open 4 document View SEC filing for 4 04 May 2017 02 May 2017 001-36863
4 Open 4 document View SEC filing for 4 08 Mar 2017 06 Mar 2017 001-36863
4 Open 4 document View SEC filing for 4 26 May 2016 24 May 2016 001-36863
4 Open 4 document View SEC filing for 4 05 May 2016 03 May 2016 001-36863
4 Open 4 document View SEC filing for 4 FORM 4 28 Mar 2016 24 Mar 2016 001-36863
4 Open 4 document View SEC filing for 4 FORM 4 23 Mar 2016 21 Mar 2016 001-36863
4 Open 4 document View SEC filing for 4 FORM 4 21 Mar 2016 17 Mar 2016 001-36863
4 Open 4 document View SEC filing for 4 FORM 4 17 Mar 2016 15 Mar 2016 001-36863
4 Open 4 document View SEC filing for 4 FORM 4 08 Mar 2016 04 Mar 2016 001-36863
4 Open 4 document View SEC filing for 4 FORM 4 18 Dec 2015 04 Dec 2015 001-36863
4 Open 4 document View SEC filing for 4 FORM 4 06 Aug 2015 04 Aug 2015 001-36863
3 Open 3 document View SEC filing for 3 FORM 3 01 Jul 2015 01 Jul 2015 001-36863
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 11 Dec 2014 09 Dec 2014 001-06714
4 Open 4 document View SEC filing for 4 FORM 4 11 Oct 2013 10 Oct 2013 001-06714
4 Open 4 document View SEC filing for 4 FORM 4 08 Oct 2013 04 Oct 2013 001-06714
4 Open 4 document View SEC filing for 4 FORM 4 03 Oct 2013 01 Oct 2013 001-06714
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 11 Dec 2012 10 Dec 2012 001-06714
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 08 Jun 2012 07 Jun 2012 001-06714
4 Open 4 document View SEC filing for 4 FORM 4 13 Jun 2011 10 Jun 2011 001-06714
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 07 Jan 2011 05 Jan 2011 001-06714
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Dec 2010 07 Dec 2010 001-06714
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 01 Oct 2010 23 Sep 2010 001-06714

About this filer

Katharine Weymouth files with the SEC under CIK 0001501808. 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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