O'Shaughnessy Timothy J. SEC EDGAR Filings (CIK 0001621362)

SEC EDGAR filings, ownership reports, and insider transactions for O'Shaughnessy Timothy J..

Business address
C/O Graham Holdings Company, 1812 North Moore Street, Suite 2100, Arlington, VA, 22209
Top holdings (ownership)
GHC
Top holdings (Schedule 13D)
WPO
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O'Shaughnessy Timothy J. has filed 26 SEC EDGAR filings since 04 Nov 2014

Latest Filings

Recent SEC filings for O'Shaughnessy Timothy J. including 4, SCHEDULE 13D/A, SC 13D and more.

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open 4 document View SEC filing for 4 13 Nov 2025 11 Nov 2025 001-06714
4 Open 4 document View SEC filing for 4 09 Oct 2025 07 Oct 2025 001-06714
4 Open 4 document View SEC filing for 4 30 Sep 2025 29 Sep 2025 001-06714
4 Open 4 document View SEC filing for 4 22 Aug 2025 20 Aug 2025 001-06714
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 28 Feb 2025
4 Open 4 document View SEC filing for 4 05 Nov 2024 01 Nov 2024 001-06714
4 Open 4 document View SEC filing for 4 17 Oct 2024 15 Oct 2024 001-06714
4 Open 4 document View SEC filing for 4 25 Sep 2024 23 Sep 2024 001-06714
SC 13D Open SC 13D document View SEC filing for SC 13D 10 May 2024
4 Open 4 document View SEC filing for 4 FORM 4 07 Jul 2023 06 Jul 2023 001-06714
4 Open 4 document View SEC filing for 4 FORM 4 08 Mar 2023 07 Mar 2023 001-06714
4 Open 4 document View SEC filing for 4 08 Mar 2022 07 Mar 2022 001-06714
4/A Open 4/A document View SEC filing for 4/A 08 Mar 2021 10 Sep 2020 001-06714
4 Open 4 document View SEC filing for 4 14 Sep 2020 10 Sep 2020 001-06714
4 Open 4 document View SEC filing for 4 05 Aug 2020 03 Aug 2020 001-06714
5 Open 5 document View SEC filing for 5 14 Feb 2020 31 Dec 2019 001-06714
4 Open 4 document View SEC filing for 4 04 Jan 2019 22 Feb 2018 001-06714
4/A Open 4/A document View SEC filing for 4/A 07 Aug 2018 02 Aug 2018 001-06714
4 Open 4 document View SEC filing for 4 06 Aug 2018 02 Aug 2018 001-06714
4 Open 4 document View SEC filing for 4 31 Oct 2017 27 Oct 2017 001-06714
4 Open 4 document View SEC filing for 4 21 Aug 2017 24 Jul 2017 001-06714
4 Open 4 document View SEC filing for 4 23 Nov 2016 21 Nov 2016 001-06714
4 Open 4 document View SEC filing for 4 FORM 4 24 Mar 2016 23 Mar 2016 001-06714
4 Open 4 document View SEC filing for 4 FORM 4 16 Nov 2015 12 Nov 2015 001-06714
4 Open 4 document View SEC filing for 4 FORM 4 04 Nov 2014 03 Nov 2014 001-06714
3 Open 3 document View SEC filing for 3 FORM 3 04 Nov 2014 03 Nov 2014 001-06714

About this filer

O'Shaughnessy Timothy J. files with the SEC under CIK 0001621362. 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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