William Charles Bertrand SEC EDGAR Filings (CIK 0001291937)

SEC EDGAR filings, ownership reports, and insider transactions for William Charles Bertrand.

Business address
C/O Adaptimmune Therapeutics Plc, 60 Jubilee Ave, Milton Park, Abingdon, Oxfordshire, United Kingdom, OX14 4RX
Top holdings (ownership)
ARDX and ADAP
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William Charles Bertrand has filed 59 SEC EDGAR filings since 28 May 2004

Latest Filings

Recent SEC filings for William Charles Bertrand including 4, 144, 3.

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 29 Aug 2025 28 Aug 2025 001-37368
144 Open 144 document View SEC filing for 144 29 Aug 2025
4 Open 4 document View SEC filing for 4 FORM 4 23 Jun 2025 18 Jun 2025 001-36485
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 20 Feb 2025 20 Feb 2025 001-37368
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 17 Jan 2025 17 Jan 2025 001-37368
144 Open 144 document View SEC filing for 144 17 Jan 2025
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 15 Jan 2025 13 Jan 2025 001-37368
144 Open 144 document View SEC filing for 144 15 Jan 2025
4 Open 4 document View SEC filing for 4 FORM 4 17 Jun 2024 14 Jun 2024 001-36485
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 17 Jan 2024 16 Jan 2024 001-37368
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 17 Jan 2024 15 Jan 2024 001-37368
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 12 Jan 2024 11 Jan 2024 001-37368
4 Open 4 document View SEC filing for 4 FORM 4 16 Jun 2023 15 Jun 2023 001-36485
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 17 Jan 2023 17 Jan 2023 001-37368
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 17 Jan 2023 17 Jan 2023 001-37368
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 12 Jan 2023 11 Jan 2023 001-37368
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 04 Jan 2023 04 Jan 2023 001-37368
4 Open 4 document View SEC filing for 4 FORM 4 17 Jun 2022 15 Jun 2022 001-36485
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 18 Jan 2022 18 Jan 2022 001-37368
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 13 Jan 2022 11 Jan 2022 001-37368
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 13 Jan 2022 12 Jan 2022 001-37368
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 05 Jan 2022 04 Jan 2022 001-37368
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 02 Jul 2021 02 Jul 2021 001-37368
4 Open 4 document View SEC filing for 4 FORM 4 21 Jun 2021 16 Jun 2021 001-36485
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 12 Jan 2021 12 Jan 2021 001-37368
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 11 Jan 2021 11 Jan 2021 001-37368
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 05 Jan 2021 04 Jan 2021 001-37368
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 15 Dec 2020 14 Dec 2020 001-37368
4 Open 4 document View SEC filing for 4 FORM 4 15 Dec 2020 14 Dec 2020 001-36485
4 Open 4 document View SEC filing for 4 FORM 4 11 Jun 2020 09 Jun 2020 001-36485
4 Open 4 document View SEC filing for 4 4 17 Jan 2020 16 Jan 2020 001-37368
4 Open 4 document View SEC filing for 4 4 15 Jan 2020 14 Jan 2020 001-37368
4 Open 4 document View SEC filing for 4 4 07 Jan 2020 06 Jan 2020 001-37368
4 Open 4 document View SEC filing for 4 FORM 4 17 Jun 2019 13 Jun 2019 001-36485
4 Open 4 document View SEC filing for 4 4 16 Jan 2019 14 Jan 2019 001-37368
4 Open 4 document View SEC filing for 4 4 08 Jan 2019 04 Jan 2019 001-37368
4 Open 4 document View SEC filing for 4 FORM 4 15 Jun 2018 13 Jun 2018 001-36485
4 Open 4 document View SEC filing for 4 4 17 Jan 2018 12 Jan 2018 001-37368
4 Open 4 document View SEC filing for 4 FORM 4 09 Jun 2017 07 Jun 2017 001-36485
3 Open 3 document View SEC filing for 3 3 15 Mar 2017 15 Mar 2017 001-37368
4 Open 4 document View SEC filing for 4 FORM 4 06 Jun 2016 02 Jun 2016 001-36485
4 Open 4 document View SEC filing for 4 FORM 4 21 Dec 2015 17 Dec 2015 001-36485
4 Open 4 document View SEC filing for 4 FORM 4 28 Oct 2015 26 Oct 2015 001-36485
3 Open 3 document View SEC filing for 3 FORM 3 28 Oct 2015 26 Oct 2015 001-36485
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 21 Oct 2015 19 Oct 2015 000-31141
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 21 Oct 2015 19 Oct 2015 000-31141
4 Open 4 document View SEC filing for 4 FORM 4 03 Apr 2015 01 Apr 2015 000-23265
4 Open 4 document View SEC filing for 4 FORM 4 03 Feb 2015 31 Jan 2015 000-23265
3 Open 3 document View SEC filing for 3 FORM 3 03 Feb 2015 30 Jan 2015 000-23265
3 Open 3 document View SEC filing for 3 FORM 3 13 Jan 2014 02 Jan 2014 000-50651
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 26 Jul 2013 24 Jul 2013 000-23265
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 26 Jul 2013 24 Jul 2013 000-23265

About this filer

William Charles Bertrand files with the SEC under CIK 0001291937. 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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