David T. Howton

Business address
Vertex Pharmaceuticals Incorporated, 130 Waverly Street, Cambridge, MA, 02139
Top holdings (ownership)
SLDB
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David T. Howton has filed 41 SEC EDGAR filings since 07 Sep 2011

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing 4 04 Dec 2025 02 Dec 2025 001-38360
4 Open Document Open Filing 4 18 Aug 2025 14 Aug 2025 001-38360
4 Open Document Open Filing 4 18 Feb 2025 13 Feb 2025 001-38360
144 Open Document Open Filing 14 Feb 2025
4 Open Document Open Filing 4 11 Feb 2025 31 Jan 2025 001-38360
144 Open Document Open Filing 04 Dec 2024
4 Open Document Open Filing 4 04 Dec 2024 02 Dec 2024 001-38360
4 Open Document Open Filing 4 16 Feb 2024 13 Feb 2024 001-38360
4 Open Document Open Filing 4 05 Dec 2023 02 Dec 2023 001-38360
4 Open Document Open Filing FORM 4 SUBMISSION 05 Dec 2022 02 Dec 2022 001-38360
3 Open Document Open Filing FORM 3 SUBMISSION 05 Dec 2022 02 Dec 2022 001-38360
4 Open Document Open Filing FORM 4 SUBMISSION 22 Jun 2020 22 Jun 2020 001-14895
4 Open Document Open Filing FORM 4 SUBMISSION 28 Feb 2020 28 Feb 2020 001-14895
4 Open Document Open Filing FORM 4 SUBMISSION 17 Dec 2019 13 Dec 2019 001-14895
4 Open Document Open Filing FORM 4 SUBMISSION 26 Nov 2019 22 Nov 2019 001-14895
4 Open Document Open Filing FORM 4 SUBMISSION 29 Mar 2019 28 Mar 2019 001-14895
4 Open Document Open Filing FORM 4 SUBMISSION 04 Mar 2019 28 Feb 2019 001-14895
4 Open Document Open Filing FORM 4 SUBMISSION 01 Feb 2019 01 Feb 2019 001-14895
4 Open Document Open Filing FORM 4 SUBMISSION 08 Aug 2018 08 Aug 2018 001-14895
4 Open Document Open Filing FORM 4 SUBMISSION 17 Jul 2018 16 Jul 2018 001-14895
4 Open Document Open Filing FORM 4 SUBMISSION 24 May 2018 22 May 2018 001-14895
4 Open Document Open Filing FORM 4 SUBMISSION 16 Mar 2018 15 Mar 2018 001-14895
4 Open Document Open Filing FORM 4 SUBMISSION 07 Mar 2018 05 Mar 2018 001-14895
4 Open Document Open Filing FORM 4 SUBMISSION 07 Aug 2017 03 Aug 2017 001-14895
4 Open Document Open Filing FORM 4 SUBMISSION 21 Jul 2017 20 Jul 2017 001-14895
4 Open Document Open Filing FORM 4 SUBMISSION 21 Mar 2017 19 Mar 2017 001-14895
4 Open Document Open Filing FORM 4 SUBMISSION 14 Mar 2017 10 Mar 2017 001-14895
4 Open Document Open Filing FORM 4 SUBMISSION 10 Nov 2016 09 Nov 2016 001-14895
4 Open Document Open Filing FORM 4 SUBMISSION 26 Sep 2016 22 Sep 2016 001-14895
4 Open Document Open Filing FORM 4 SUBMISSION 21 Sep 2016 19 Sep 2016 001-14895
4 Open Document Open Filing FORM 4 SUBMISSION 02 Sep 2016 31 Aug 2016 001-14895
4 Open Document Open Filing FORM 4 SUBMISSION 02 Mar 2016 29 Feb 2016 001-14895
4/A Open Document Open Filing PRIMARY DOCUMENT 22 Apr 2015 27 Feb 2015 001-14895
4 Open Document Open Filing PRIMARY DOCUMENT 03 Mar 2015 27 Feb 2015 001-14895
4 Open Document Open Filing PRIMARY DOCUMENT 04 Mar 2014 28 Feb 2014 001-14895
4 Open Document Open Filing FORM 4 07 Jun 2013 04 Jun 2013 001-14895
4 Open Document Open Filing FORM 4 07 Nov 2012 05 Nov 2012 001-14895
3 Open Document Open Filing FORM 3 07 Nov 2012 05 Nov 2012 001-14895
4 Open Document Open Filing FORM 4 SUBMISSION 06 Feb 2012 02 Feb 2012 000-19319