Thomas St

Business address
C/O Formfactor, Inc., 7005 Southfront Road, Livermore, CA, 94551
Top holdings (ownership)
FORM, VECO, and ACLS
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Thomas St has filed 126 SEC EDGAR filings since 23 Sep 2005

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
144 Open Document Open Filing 17 Nov 2025
4 Open Document Open Filing FORM 4 17 Nov 2025 17 Nov 2025 000-50307
4 Open Document Open Filing FORM 4 30 May 2025 29 May 2025 000-50307
144 Open Document Open Filing 29 May 2025
4 Open Document Open Filing FORM 4 16 May 2025 16 May 2025 000-50307
4 Open Document Open Filing 15 May 2025 15 May 2025 000-30941
4 Open Document Open Filing 09 May 2025 09 May 2025 000-16244
4 Open Document Open Filing FORM 4 06 Nov 2024 05 Nov 2024 000-50307
144 Open Document Open Filing 05 Nov 2024
4 Open Document Open Filing FORM 4 21 May 2024 17 May 2024 000-50307
4/A Open Document Open Filing 16 May 2024 15 May 2024 000-30941
4 Open Document Open Filing 15 May 2024 15 May 2024 000-30941
4 Open Document Open Filing 14 May 2024 13 May 2024 000-16244
4 Open Document Open Filing FORM 4 13 May 2024 10 May 2024 000-50307
144 Open Document Open Filing 13 May 2024
144 Open Document Open Filing 10 May 2024
4 Open Document Open Filing 10 May 2024 10 May 2024 000-16244
4 Open Document Open Filing 01 Dec 2023 30 Nov 2023 000-16244
144 Open Document Open Filing 30 Nov 2023
4 Open Document Open Filing FORM 4 15 Nov 2023 14 Nov 2023 000-50307
144 Open Document Open Filing 14 Nov 2023
4 Open Document Open Filing FORM 4 30 May 2023 19 May 2023 000-50307
4 Open Document Open Filing 15 May 2023 12 May 2023 000-16244
4 Open Document Open Filing FORM 4 SUBMISSION 15 May 2023 15 May 2023 000-30941
4 Open Document Open Filing FORM 4 17 Feb 2023 16 Feb 2023 000-50307
4 Open Document Open Filing FORM 4 SUBMISSION 13 Feb 2023 13 Feb 2023 000-30941
4 Open Document Open Filing FORM 4 SUBMISSION 18 Nov 2022 18 Nov 2022 000-30941
4 Open Document Open Filing FORM 4 01 Jun 2022 27 May 2022 000-50307
4 Open Document Open Filing FORM 4 17 May 2022 14 May 2022 000-50307
4 Open Document Open Filing 17 May 2022 13 May 2022 000-16244
4 Open Document Open Filing FORM 4 SUBMISSION 16 May 2022 16 May 2022 000-30941
4 Open Document Open Filing FORM 4 SUBMISSION 10 Feb 2022 10 Feb 2022 000-30941
4 Open Document Open Filing FORM 4 09 Feb 2022 08 Feb 2022 000-50307
4 Open Document Open Filing FORM 4 SUBMISSION 30 Aug 2021 30 Aug 2021 000-30941
4 Open Document Open Filing FORM 4 18 May 2021 14 May 2021 000-50307
4 Open Document Open Filing FORM 4 SUBMISSION 17 May 2021 17 May 2021 000-30941
4 Open Document Open Filing FORM 4 - 10 May 2021 07 May 2021 000-16244
4 Open Document Open Filing FORM 4 19 May 2020 15 May 2020 000-50307
4 Open Document Open Filing FORM 4 SUBMISSION 15 May 2020 15 May 2020 000-30941
4 Open Document Open Filing FORM 4 12 May 2020 11 May 2020 000-50307
4 Open Document Open Filing FORM 4 SUBMISSION 11 May 2020 11 May 2020 000-30941
4 Open Document Open Filing FORM 4 - 08 May 2020 08 May 2020 000-16244
4 Open Document Open Filing FORM 4 12 Feb 2020 10 Feb 2020 000-50307
4 Open Document Open Filing FORM 4 SUBMISSION 10 Feb 2020 10 Feb 2020 000-30941
4 Open Document Open Filing FORM 4 22 Nov 2019 20 Nov 2019 000-50307
4 Open Document Open Filing FORM 4 21 Aug 2019 20 Aug 2019 000-50307
4 Open Document Open Filing FORM 4 21 May 2019 17 May 2019 000-50307
4 Open Document Open Filing FORM 4 SUBMISSION 15 May 2019 15 May 2019 000-30941
4 Open Document Open Filing FORM 4 - 08 May 2019 06 May 2019 000-16244
4 Open Document Open Filing FORM 4 21 Feb 2019 20 Feb 2019 000-50307
4 Open Document Open Filing FORM 4 SUBMISSION 20 Feb 2019 20 Feb 2019 000-30941
4 Open Document Open Filing FORM 4 30 May 2018 26 May 2018 000-50307
4 Open Document Open Filing FORM 4 22 May 2018 18 May 2018 000-50307
4 Open Document Open Filing FORM 4 SUBMISSION 17 May 2018 16 May 2018 000-30941
4 Open Document Open Filing FORM 4 - 04 May 2018 04 May 2018 000-16244
4 Open Document Open Filing FORM 4 07 Mar 2018 06 Mar 2018 000-50307
4 Open Document Open Filing FORM 4 15 Jun 2017 14 Jun 2017 000-50307
4 Open Document Open Filing FORM 4 06 Jun 2017 26 May 2017 000-50307
4 Open Document Open Filing FORM 4 31 May 2017 28 May 2017 000-50307
4 Open Document Open Filing FORM 4 23 May 2017 20 May 2017 000-50307
4/A Open Document Open Filing FORM 4/A - 19 May 2017 05 May 2017 000-16244
4 Open Document Open Filing FORM 4 SUBMISSION 17 May 2017 17 May 2017 000-30941
4 Open Document Open Filing FORM 4 15 May 2017 11 May 2017 000-50307
4 Open Document Open Filing FORM 4 09 May 2017 05 May 2017 000-50307
4 Open Document Open Filing FORM 4 - 09 May 2017 05 May 2017 000-16244
4 Open Document Open Filing FORM 4 24 Feb 2017 22 Feb 2017 000-50307
4 Open Document Open Filing FORM 4 21 Feb 2017 16 Feb 2017 000-50307
4 Open Document Open Filing FORM 4 15 Feb 2017 13 Feb 2017 000-50307
4 Open Document Open Filing FORM 4 09 Aug 2016 05 Aug 2016 000-50307
4 Open Document Open Filing FORM 4 02 Jun 2016 31 May 2016 000-50307
4 Open Document Open Filing FORM 4 23 May 2016 20 May 2016 000-50307
4 Open Document Open Filing FORM 4 SUBMISSION 17 May 2016 16 May 2016 000-30941
4 Open Document Open Filing FORM 4 11 May 2016 11 May 2016 000-24838
4 Open Document Open Filing FORM 4 09 May 2016 05 May 2016 000-50307
4 Open Document Open Filing FORM 4 - 06 May 2016 06 May 2016 000-16244
3 Open Document Open Filing FORM 3 - 06 May 2016 05 May 2016 000-16244
4 Open Document Open Filing FORM 4 03 May 2016 02 May 2016 000-50307
4 Open Document Open Filing FORM 4 08 Apr 2016 06 Apr 2016 000-50307
4 Open Document Open Filing FORM 4 SUBMISSION 16 Jul 2015 15 Jul 2015 000-30941
4 Open Document Open Filing PRIMARY DOCUMENT 01 Jun 2015 28 May 2015 000-50307
4 Open Document Open Filing FORM 4 29 May 2015 28 May 2015 000-24838
4 Open Document Open Filing PRIMARY DOCUMENT 21 May 2015 21 May 2015 000-50307
4 Open Document Open Filing FORM 4 SUBMISSION 18 May 2015 15 May 2015 000-30941
3 Open Document Open Filing FORM 3 SUBMISSION 13 May 2015 13 May 2015 000-30941
4 Open Document Open Filing PRIMARY DOCUMENT 08 May 2015 06 May 2015 000-50307
4 Open Document Open Filing PRIMARY DOCUMENT 07 May 2015 05 May 2015 000-50307
4 Open Document Open Filing PRIMARY DOCUMENT 06 May 2015 08 Apr 2015 000-50307
4 Open Document Open Filing FORM 4 20 Mar 2015 28 May 2014 000-24838
4 Open Document Open Filing PRIMARY DOCUMENT 09 Mar 2015 05 Mar 2015 000-50307
4 Open Document Open Filing PRIMARY DOCUMENT 03 Mar 2015 27 Feb 2015 000-50307
4 Open Document Open Filing PRIMARY DOCUMENT 12 Feb 2015 10 Feb 2015 000-50307
4 Open Document Open Filing PRIMARY DOCUMENT 17 Sep 2014 15 Sep 2014 000-50307
4 Open Document Open Filing PRIMARY DOCUMENT 14 Aug 2014 08 Aug 2014 000-50307
4 Open Document Open Filing PRIMARY DOCUMENT 08 May 2014 06 May 2014 000-50307
4 Open Document Open Filing PRIMARY DOCUMENT 07 May 2014 05 May 2014 000-50307
4 Open Document Open Filing PRIMARY DOCUMENT 28 Feb 2014 27 Feb 2014 000-50307
4 Open Document Open Filing PRIMARY DOCUMENT 12 Feb 2014 10 Feb 2014 000-50307
4 Open Document Open Filing PRIMARY DOCUMENT 30 Jan 2014 28 Jan 2014 000-50307