David Hallal

Business address
C/O Alexion Pharmaceuticals, Inc, 352 Knotter Drive, Cheshire, CT, 06410
Top holdings (ownership)
SRRK, KLRS, and SEER
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David Hallal has filed 117 SEC EDGAR filings since 05 Mar 2009

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing 09 Oct 2025 08 Oct 2025 001-38501
4 Open Document Open Filing 4 29 Aug 2025 29 Aug 2025 001-39401
4 Open Document Open Filing 4 06 Jun 2025 04 Jun 2025 001-39401
144 Open Document Open Filing 06 Jun 2025
144 Open Document Open Filing 05 Jun 2025
144 Open Document Open Filing 04 Jun 2025
4 Open Document Open Filing OWNERSHIP DOCUMENT 06 May 2025 02 May 2025 001-38501
4 Open Document Open Filing OWNERSHIP DOCUMENT 29 Apr 2025 27 Apr 2025 001-38501
4 Open Document Open Filing 4 11 Apr 2025 10 Apr 2025 001-39409
4 Open Document Open Filing 01 Jul 2024 27 Jun 2024 001-38501
4 Open Document Open Filing 14 Jun 2024 12 Jun 2024 001-39747
4 Open Document Open Filing 4 13 Jun 2024 11 Jun 2024 001-39401
4 Open Document Open Filing 4 07 Jun 2024 06 Jun 2024 001-39409
4 Open Document Open Filing 22 Jun 2023 21 Jun 2023 001-38501
4 Open Document Open Filing FORM 4 SUBMISSION 16 Jun 2023 14 Jun 2023 001-39747
4 Open Document Open Filing FORM 4 SUBMISSION 15 Jun 2023 13 Jun 2023 001-39401
4 Open Document Open Filing FORM 4 SUBMISSION 12 May 2023 11 May 2023 001-39409
4 Open Document Open Filing FORM 4 SUBMISSION 21 Oct 2022 19 Oct 2022 001-39409
4 Open Document Open Filing FORM 4 SUBMISSION 30 Sep 2022 29 Sep 2022 001-39409
4 Open Document Open Filing FORM 4 SUBMISSION 01 Aug 2022 28 Jul 2022 001-39409
4 Open Document Open Filing FORM 4 SUBMISSION 21 Jul 2022 21 Jul 2022 001-39409
4 Open Document Open Filing OWNERSHIP DOCUMENT 21 Jun 2022 16 Jun 2022 001-38501
4 Open Document Open Filing FORM 4 SUBMISSION 17 Jun 2022 15 Jun 2022 001-39747
4 Open Document Open Filing FORM 4 SUBMISSION 10 Jun 2022 08 Jun 2022 001-39401
4 Open Document Open Filing FORM 4 SUBMISSION 06 Jun 2022 03 Jun 2022 001-39409
4 Open Document Open Filing OWNERSHIP DOCUMENT 27 May 2022 26 May 2022 001-38501
4 Open Document Open Filing FORM 4 SUBMISSION 19 May 2022 17 May 2022 001-39409
4 Open Document Open Filing FORM 4 SUBMISSION 22 Apr 2022 21 Apr 2022 001-39409
4 Open Document Open Filing FORM 4 SUBMISSION 11 Mar 2022 10 Mar 2022 001-39409
4 Open Document Open Filing FORM 4 SUBMISSION 25 Jan 2022 24 Jan 2022 001-39409
4 Open Document Open Filing FORM 4 SUBMISSION 22 Dec 2021 20 Dec 2021 001-39401
4 Open Document Open Filing FORM 4 SUBMISSION 22 Jun 2021 17 Jun 2021 001-39747
4 Open Document Open Filing FORM 4 SUBMISSION 21 Jun 2021 17 Jun 2021 001-39401
4 Open Document Open Filing FORM 4 - 01 Jun 2021 27 May 2021 001-38501
4 Open Document Open Filing FORM 4 SUBMISSION 27 May 2021 25 May 2021 001-39409
4 Open Document Open Filing FORM 4 SUBMISSION 25 Jan 2021 21 Jan 2021 001-39409
4 Open Document Open Filing FORM 4 11 Dec 2020 03 Dec 2020 001-39747
3 Open Document Open Filing FORM 3 03 Dec 2020 03 Dec 2020 001-39747
4/A Open Document Open Filing FORM 4/A SUBMISSION 21 Oct 2020 23 Jul 2020 001-39401
4 Open Document Open Filing FORM 4 SUBMISSION 05 Aug 2020 03 Aug 2020 001-39409
4 Open Document Open Filing FORM 4 SUBMISSION 31 Jul 2020 29 Jul 2020 001-39409
3 Open Document Open Filing FORM 3 SUBMISSION 30 Jul 2020 29 Jul 2020 001-39409
4 Open Document Open Filing FORM 4 SUBMISSION 24 Jul 2020 23 Jul 2020 001-39401
3 Open Document Open Filing FORM 3 SUBMISSION 23 Jul 2020 23 Jul 2020 001-39401
4 Open Document Open Filing FORM 4 - 18 Jun 2020 16 Jun 2020 001-38501
4 Open Document Open Filing FORM 4 - 20 Sep 2019 18 Sep 2019 001-38501
4 Open Document Open Filing 4 23 May 2019 21 May 2019 001-38501
4 Open Document Open Filing 4 26 Jun 2018 22 Jun 2018 001-38501
3 Open Document Open Filing 3 23 May 2018 23 May 2018 001-38501
4 Open Document Open Filing FORM 4 10 Aug 2016 08 Aug 2016 000-27756
4 Open Document Open Filing FORM 4 05 Apr 2016 01 Apr 2016 000-27756
4 Open Document Open Filing FORM 4 01 Mar 2016 26 Feb 2016 000-27756
4 Open Document Open Filing FORM 4 08 Feb 2016 04 Feb 2016 000-27756
4 Open Document Open Filing FORM 4 11 Aug 2015 07 Aug 2015 000-27756
4 Open Document Open Filing FORM 4 05 Aug 2015 04 Aug 2015 000-27756
4 Open Document Open Filing FORM 4 02 Apr 2015 31 Mar 2015 000-27756
4 Open Document Open Filing FORM 4 03 Mar 2015 27 Feb 2015 000-27756
4 Open Document Open Filing FORM 4 12 Feb 2015 10 Feb 2015 000-27756
4 Open Document Open Filing FORM 4 09 Feb 2015 05 Feb 2015 000-27756
4 Open Document Open Filing FORM 4 05 Feb 2015 03 Feb 2015 000-27756
4 Open Document Open Filing FORM 4 19 Dec 2014 18 Dec 2014 000-27756
4 Open Document Open Filing FORM 4 04 Nov 2014 03 Nov 2014 000-27756
4 Open Document Open Filing FORM 4 05 Aug 2014 04 Aug 2014 000-27756
4 Open Document Open Filing FORM 4 04 Mar 2014 28 Feb 2014 000-27756
4 Open Document Open Filing FORM 4 10 Feb 2014 06 Feb 2014 000-27756
4 Open Document Open Filing FORM 4 05 Feb 2014 03 Feb 2014 000-27756
4 Open Document Open Filing FORM 4 31 Jan 2014 29 Jan 2014 000-27756