WILLIAM K. HEIDEN

Business address
C/O Amag Pharmaceuticals, Inc., 1100 Winter Street, Waltham, MA, 02451
Top holdings (ownership)
MGNX and ATRA
⭐ Add to watchlist ⭐
Get insider transactions for this reporting owner
WILLIAM K. HEIDEN has filed 57 SEC EDGAR filings since 14 Nov 2003

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing FORM 4 21 Aug 2025 19 Aug 2025 001-36112
4 Open Document Open Filing 12 Jun 2025 10 Jun 2025 001-36548
4 Open Document Open Filing FORM 4 22 May 2025 20 May 2025 001-36112
4 Open Document Open Filing FORM 4 23 May 2024 21 May 2024 001-36112
4 Open Document Open Filing FORM 4 22 May 2024 20 May 2024 001-36112
4 Open Document Open Filing 02 Apr 2024 31 Mar 2024 001-36548
4 Open Document Open Filing 14 Nov 2023 10 Nov 2023 001-36548
4 Open Document Open Filing 02 Jun 2023 31 May 2023 001-36548
4 Open Document Open Filing FORM 4 02 Jun 2023 31 May 2023 001-36112
4 Open Document Open Filing FORM 4 27 Jun 2022 23 Jun 2022 001-36548
4 Open Document Open Filing FORM 4 24 May 2022 23 May 2022 001-36112
3 Open Document Open Filing FORM 3 24 May 2022 23 May 2022 001-36112
4 Open Document Open Filing FORM 4 09 Jun 2021 08 Jun 2021 001-36548
4 Open Document Open Filing FORM 4 SUBMISSION 17 Jun 2020 16 Jun 2020 001-36548
4 Open Document Open Filing 4 04 Mar 2020 02 Mar 2020 001-10865
4 Open Document Open Filing FORM 4 25 Feb 2020 23 Feb 2020 001-10865
4 Open Document Open Filing FORM 4 SUBMISSION 01 Jul 2019 27 Jun 2019 001-36548
4 Open Document Open Filing FORM 4 09 May 2019 09 May 2019 001-10865
4 Open Document Open Filing FORM 4 05 Mar 2019 01 Mar 2019 001-10865
4 Open Document Open Filing FORM 4 27 Feb 2019 25 Feb 2019 001-10865
4 Open Document Open Filing FORM 4 26 Feb 2019 23 Feb 2019 001-10865
4 Open Document Open Filing FORM 4 08 Aug 2018 07 Aug 2018 001-10865
4 Open Document Open Filing FORM 4 SUBMISSION 18 Jun 2018 14 Jun 2018 001-36548
4 Open Document Open Filing FORM 4 05 Jun 2018 04 Jun 2018 001-10865
4 Open Document Open Filing FORM 4 - 06 Mar 2018 02 Mar 2018 001-10865
4 Open Document Open Filing FORM 4 SUBMISSION 12 Jun 2017 08 Jun 2017 001-36548
4 Open Document Open Filing FORM 4 - 10 May 2017 08 May 2017 001-10865
4 Open Document Open Filing FORM 4 - 27 Feb 2017 23 Feb 2017 001-10865
4 Open Document Open Filing FORM 4 SUBMISSION 05 Jan 2017 03 Jan 2017 001-36548
4 Open Document Open Filing FORM 4 - 17 May 2016 16 May 2016 001-10865
4 Open Document Open Filing FORM 4 - 01 Mar 2016 26 Feb 2016 001-10865
4 Open Document Open Filing FORM 4 SUBMISSION 05 Jan 2016 04 Jan 2016 001-36548
4 Open Document Open Filing FORM 4 SUBMISSION 25 Nov 2015 23 Nov 2015 001-36548
3 Open Document Open Filing FORM 3 SUBMISSION 25 Nov 2015 23 Nov 2015 001-36548
4 Open Document Open Filing FORM 4 - 02 Oct 2015 01 Oct 2015 001-10865
4 Open Document Open Filing FORM 4 - 02 Sep 2015 01 Sep 2015 001-10865
4 Open Document Open Filing FORM 4 - 05 Aug 2015 03 Aug 2015 001-10865
4 Open Document Open Filing FORM 4 - 17 Jul 2015 15 Jul 2015 001-10865
4 Open Document Open Filing FORM 4 - 02 Jul 2015 01 Jul 2015 001-10865
4 Open Document Open Filing FORM 4 - 08 Jun 2015 05 Jun 2015 001-10865
4 Open Document Open Filing FORM 4 - 04 Jun 2015 02 Jun 2015 001-10865
4 Open Document Open Filing FORM 4 - 05 Mar 2015 03 Mar 2015 001-10865
4 Open Document Open Filing FORM 4 - 27 Feb 2015 26 Feb 2015 001-10865
4 Open Document Open Filing FORM 4 - 18 Dec 2014 17 Dec 2014 001-10865
4 Open Document Open Filing FORM 4 - 21 Aug 2014 19 Aug 2014 001-10865
4 Open Document Open Filing FORM 4 - 28 Feb 2014 27 Feb 2014 001-10865