MICHAEL BIGHAM

Business address
890 Winter Street, Waltham, MA, 02451
Top holdings (ownership)
PRTK, ADMS, and FLAC
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MICHAEL BIGHAM has filed 58 SEC EDGAR filings since 08 Jul 2003

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing FORM 4 SUBMISSION 21 Sep 2023 02 Feb 2018 001-36066
4 Open Document Open Filing PRIMARY DOCUMENT 10 Aug 2023 08 Aug 2023 001-36066
4 Open Document Open Filing PRIMARY DOCUMENT 22 Dec 2022 20 Dec 2022 001-36066
4 Open Document Open Filing PRIMARY DOCUMENT 14 Dec 2022 12 Dec 2022 001-36066
4 Open Document Open Filing FORM 4 SUBMISSION 23 Nov 2022 22 Nov 2022 001-39765
4 Open Document Open Filing PRIMARY DOCUMENT 01 Nov 2022 28 Oct 2022 001-36066
4 Open Document Open Filing PRIMARY DOCUMENT 27 Oct 2022 25 Oct 2022 001-36066
4 Open Document Open Filing PRIMARY DOCUMENT 10 Aug 2022 08 Aug 2022 001-36066
4 Open Document Open Filing PRIMARY DOCUMENT 23 Mar 2022 15 Mar 2022 001-36066
4 Open Document Open Filing PRIMARY DOCUMENT 15 Dec 2021 13 Dec 2021 001-36066
4 Open Document Open Filing FORM 4 24 Nov 2021 24 Nov 2021 001-36399
4 Open Document Open Filing PRIMARY DOCUMENT 18 Aug 2021 16 Aug 2021 001-36066
4 Open Document Open Filing PRIMARY DOCUMENT 08 Jun 2021 27 May 2021 001-36066
4 Open Document Open Filing FORM 4 04 Jun 2021 02 Jun 2021 001-36399
4 Open Document Open Filing PRIMARY DOCUMENT 01 Apr 2021 30 Mar 2021 001-36066
3/A Open Document Open Filing OWNERSHIP DOCUMENT 17 Dec 2020 08 Dec 2020 001-39765
4 Open Document Open Filing PRIMARY DOCUMENT 15 Dec 2020 11 Dec 2020 001-36066
3 Open Document Open Filing OWNERSHIP DOCUMENT 08 Dec 2020 08 Dec 2020 001-39765
4 Open Document Open Filing PRIMARY DOCUMENT 16 Nov 2020 12 Nov 2020 001-36066
4 Open Document Open Filing FORM 4 SUBMISSION 05 Jun 2020 03 Jun 2020 001-36399
4 Open Document Open Filing PRIMARY DOCUMENT 14 May 2020 12 May 2020 001-36066
4 Open Document Open Filing PRIMARY DOCUMENT 21 Feb 2020 19 Feb 2020 001-36066
4 Open Document Open Filing PRIMARY DOCUMENT 08 Oct 2019 04 Oct 2019 001-36066
4 Open Document Open Filing FORM 4 SUBMISSION 06 Jun 2019 05 Jun 2019 001-36399
4 Open Document Open Filing PRIMARY DOCUMENT 28 Feb 2019 26 Feb 2019 001-36066
4 Open Document Open Filing PRIMARY DOCUMENT 04 Feb 2019 01 Feb 2019 001-36066
4 Open Document Open Filing PRIMARY DOCUMENT 14 Dec 2018 12 Dec 2018 001-36066
4 Open Document Open Filing PRIMARY DOCUMENT 16 Oct 2018 12 Oct 2018 001-36066
4 Open Document Open Filing PRIMARY DOCUMENT 04 Oct 2018 02 Oct 2018 001-36066
4 Open Document Open Filing PRIMARY DOCUMENT 05 Jul 2018 02 Jul 2018 001-36066
4 Open Document Open Filing FORM 4 SUBMISSION 07 Jun 2018 06 Jun 2018 001-36399
4 Open Document Open Filing PRIMARY DOCUMENT 10 Apr 2018 09 Apr 2018 001-36066
4 Open Document Open Filing PRIMARY DOCUMENT 05 Apr 2018 03 Apr 2018 001-36066
4 Open Document Open Filing PRIMARY DOCUMENT 16 Feb 2018 14 Feb 2018 001-36066
4 Open Document Open Filing PRIMARY DOCUMENT 07 Feb 2018 05 Feb 2018 001-36066
4 Open Document Open Filing PRIMARY DOCUMENT 21 Jul 2017 19 Jul 2017 001-36066
4 Open Document Open Filing PRIMARY DOCUMENT 06 Jul 2017 03 Jul 2017 001-36066
4 Open Document Open Filing FORM 4 SUBMISSION 02 Jun 2017 01 Jun 2017 001-36399
4 Open Document Open Filing PRIMARY DOCUMENT 08 Feb 2017 06 Feb 2017 001-36066
4 Open Document Open Filing PRIMARY DOCUMENT 06 Feb 2017 02 Feb 2017 001-36066
4 Open Document Open Filing FORM 4 SUBMISSION 22 Sep 2016 20 Sep 2016 001-36399
3 Open Document Open Filing FORM 3 SUBMISSION 22 Sep 2016 20 Sep 2016 001-36399
4 Open Document Open Filing PRIMARY DOCUMENT 27 Jun 2016 23 Jun 2016 001-36066
4 Open Document Open Filing PRIMARY DOCUMENT 08 Feb 2016 04 Feb 2016 001-36066
4 Open Document Open Filing FORM 4 SUBMISSION 02 Jul 2015 30 Jun 2015 001-36066
4 Open Document Open Filing FORM 4 SUBMISSION 06 Feb 2015 04 Feb 2015 001-36066
4 Open Document Open Filing FORM 4 SUBMISSION 03 Nov 2014 30 Oct 2014 001-36066
3 Open Document Open Filing FORM 3 SUBMISSION 03 Nov 2014 30 Oct 2014 001-36066
4 Open Document Open Filing 26 Mar 2013 20 Mar 2013 001-35518
4 Open Document Open Filing 07 Feb 2013 05 Feb 2013 001-35518
3 Open Document Open Filing FORM 3 - 30 Apr 2012 30 Apr 2012 001-35518