Filer Snapshot

Timothy P. Clackson SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001242992.

Entity Type

Individual

Total Filings

109

Latest Filing

24 Jul 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 24 Jul 2025 for CIK 0001242992.

View Source Filing
Business address
C/O Ariad Pharmaceuticals Inc, 26 Landsdowne Street, Cambridge, MA, 02139
Top holdings (ownership)
THRX and XLO

Quick Takeaways

  • Timothy P. Clackson is an SEC filer tracked under CIK 0001242992.
  • 109 filings are listed on this profile.
  • Common form coverage includes 4, 3, 4/A.

What Changed

  • Latest filing: 4 filed on 24 Jul 2025.
  • Report period: 23 Jul 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 24 Jul 2025 for CIK 0001242992.

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 Timothy P. Clackson.

Latest source-backed update
4 filed 24 Jul 2025
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Revisit after a new SEC filing appears to compare the updated record with prior filings.
  • Latest filing on record: 4 filed 24 Jul 2025.
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Filer freshness comes from SEC EDGAR submission history and related source-backed ownership or portfolio filings when available.

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Latest update

What changed recently for Timothy P. Clackson

Ownership report updated

Latest ownership report period: 23 Jul 2025. Open the source-backed page to inspect the fresh filing or facts context.

Update date

24 Jul 2025

Page type

Ownership filings

Latest period

23 Jul 2025

Ownership context was refreshed from SEC Forms 3/4/5 filed on 24 Jul 2025.

Open ownership filings Browse recent public updates

Filer Overview

Timothy P. Clackson has filed 109 SEC EDGAR filings since 19 Aug 2003. Common forms include 4, 3, 4/A.

Reporting owner transactions Latest 13F filings

Latest Filings

Recent SEC filings for Timothy P. Clackson with direct links to document and filing folders.

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open 4 document View SEC filing for 4 24 Jul 2025 23 Jul 2025 001-40523
4 Open 4 document View SEC filing for 4 09 Jun 2025 05 Jun 2025 001-40523
4 Open 4 document View SEC filing for 4 17 Jun 2024 13 Jun 2024 001-40523
4 Open 4 document View SEC filing for 4 05 Sep 2023 01 Sep 2023 001-40523
4 Open 4 document View SEC filing for 4 21 Jun 2023 16 Jun 2023 001-40523
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 02 Mar 2023 01 Mar 2023 001-40869
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 21 Feb 2023 17 Feb 2023 001-40869
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 14 Nov 2022 11 Nov 2022 001-40869
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 14 Oct 2022 14 Oct 2022 001-39333
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 22 Jun 2022 17 Jun 2022 001-40523
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 09 Jun 2022 08 Jun 2022 001-39333
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 Feb 2022 18 Feb 2022 001-40869
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 22 Dec 2021 21 Dec 2021 001-40869
3 Open 3 document View SEC filing for 3 OWNERSHIP DOCUMENT 21 Oct 2021 21 Oct 2021 001-40925
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 06 Oct 2021 06 Oct 2021 001-40869
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 24 Jun 2021 24 Jun 2021 001-40523
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 21 Jun 2021 17 Jun 2021 001-39333
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Oct 2020 30 Sep 2020 001-37718
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Jul 2020 30 Jun 2020 001-37718
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 25 Jun 2020 24 Jun 2020 001-37718
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 24 Jun 2020 23 Jun 2020 001-39333
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 22 Jun 2020 18 Jun 2020 001-39333
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 18 Jun 2020 18 Jun 2020 001-39333
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Apr 2020 31 Mar 2020 001-37718
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Jan 2020 31 Dec 2019 001-37718
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Oct 2019 30 Sep 2019 001-37718
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 11 Jul 2019 10 Jul 2019 001-37718
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Jul 2019 28 Jun 2019 001-37718
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Apr 2019 29 Mar 2019 001-37718
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Jan 2019 02 Jan 2019 001-37718
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Oct 2018 01 Oct 2018 001-37718
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Jul 2018 02 Jul 2018 001-37718
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Mar 2018 01 Mar 2018 001-37718
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 05 Mar 2018 01 Mar 2018 001-37718
4 Open 4 document View SEC filing for 4 FORM 4 16 Feb 2017 16 Feb 2017 001-36172
4 Open 4 document View SEC filing for 4 FORM 4 07 Feb 2017 06 Feb 2017 001-36172
4 Open 4 document View SEC filing for 4 FORM 4 02 Feb 2017 31 Jan 2017 001-36172
4 Open 4 document View SEC filing for 4 FORM 4 25 Oct 2016 24 Oct 2016 001-36172
4 Open 4 document View SEC filing for 4 FORM 4 28 Sep 2016 26 Sep 2016 001-36172
4 Open 4 document View SEC filing for 4 FORM 4 23 Sep 2016 22 Sep 2016 001-36172
4 Open 4 document View SEC filing for 4 FORM 4 16 Sep 2016 15 Sep 2016 001-36172
4 Open 4 document View SEC filing for 4 FORM 4 23 Aug 2016 22 Aug 2016 001-36172
4 Open 4 document View SEC filing for 4 FORM 4 15 Aug 2016 12 Aug 2016 001-36172
4 Open 4 document View SEC filing for 4 FORM 4 25 Jul 2016 22 Jul 2016 001-36172
4 Open 4 document View SEC filing for 4 FORM 4 05 Jul 2016 01 Jul 2016 001-36172
4 Open 4 document View SEC filing for 4 FORM 4 23 Jun 2016 22 Jun 2016 001-36172
4 Open 4 document View SEC filing for 4 FORM 4 25 May 2016 23 May 2016 001-36172
4 Open 4 document View SEC filing for 4 FORM 4 02 May 2016 29 Apr 2016 001-36172
4 Open 4 document View SEC filing for 4 FORM 4 25 Apr 2016 22 Apr 2016 001-36172
4 Open 4 document View SEC filing for 4 FORM 4 23 Mar 2016 22 Mar 2016 001-36172
4 Open 4 document View SEC filing for 4 FORM 4 22 Mar 2016 19 Mar 2016 001-36172
4 Open 4 document View SEC filing for 4 FORM 4 09 Mar 2016 07 Mar 2016 001-36172
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Mar 2016 01 Mar 2016 001-36172
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Feb 2016 01 Feb 2016 001-36172
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 28 Sep 2015 24 Sep 2015 001-36172
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 Jul 2015 15 Jul 2015 001-36172
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 30 Apr 2015 29 Apr 2015 001-36172
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 27 Apr 2015 23 Apr 2015 001-36172
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 23 Mar 2015 19 Mar 2015 001-36172
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 Feb 2015 20 Feb 2015 001-36172
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Feb 2015 02 Feb 2015 001-36172
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Jul 2014 15 Jul 2014 001-36172
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Apr 2014 01 Apr 2014 001-36172
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 21 Mar 2014 19 Mar 2014 001-36172
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Feb 2014 31 Jan 2014 001-36172
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 20 Dec 2013 18 Dec 2013 001-36172
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 10 Sep 2013 06 Sep 2013 000-21696
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 18 Jul 2013 18 Jul 2013 000-21696
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Jul 2013 15 Jul 2013 000-21696
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Apr 2013 01 Apr 2013 000-21696
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 26 Mar 2013 22 Mar 2013 000-21696
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 22 Mar 2013 20 Mar 2013 000-21696
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 20 Mar 2013 19 Mar 2013 000-21696
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Mar 2013 04 Mar 2013 000-21696
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Jan 2013 15 Jan 2013 000-21696
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 21 Dec 2012 20 Dec 2012 000-21696
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 20 Dec 2012 18 Dec 2012 000-21696
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Sep 2012 30 Aug 2012 000-21696
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 Aug 2012 15 Aug 2012 000-21696
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 Aug 2012 30 Jul 2012 000-21696
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 May 2012 02 May 2012 000-21696
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Apr 2012 13 Apr 2012 000-21696
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Apr 2012 26 Mar 2012 000-21696
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 28 Mar 2012 26 Mar 2012 000-21696
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 26 Mar 2012 22 Mar 2012 000-21696
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 21 Mar 2012 19 Mar 2012 000-21696
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 19 Mar 2012 16 Mar 2012 000-21696
4/A Open 4/A document View SEC filing for 4/A PRIMARY DOCUMENT 17 Feb 2012 14 Feb 2012 000-21696
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 Feb 2012 14 Feb 2012 000-21696
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 09 Jun 2011 07 Jun 2011 000-21696
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Apr 2011 11 Apr 2011 000-21696
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Apr 2011 01 Apr 2011 000-21696
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 Mar 2011 22 Mar 2011 000-21696
4 Open 4 document View SEC filing for 4 FORM 4 27 Oct 2010 26 Oct 2010 000-21696
4 Open 4 document View SEC filing for 4 FORM 4 25 Jun 2010 24 Jun 2010 000-21696
4 Open 4 document View SEC filing for 4 FORM 4 24 Mar 2010 22 Mar 2010 000-21696

About this filer

Timothy P. Clackson files with the SEC under CIK 0001242992. 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.