JOHN HATSOPOULOS

Business address
85 First Avenue, Waltham, MA, 02451
Top holdings (ownership)
TGEN
Get insider transactions for this reporting owner
JOHN HATSOPOULOS has filed 217 SEC EDGAR filings since 31 Dec 2003

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing FORM 4 27 Sep 2024 27 Sep 2024 001-36103
4 Open Document Open Filing FORM 4 25 Sep 2024 25 Sep 2024 001-36103
4 Open Document Open Filing FORM 4 20 Aug 2024 19 Aug 2024 001-36103
4 Open Document Open Filing FORM 4 12 Jul 2024 10 Jul 2024 001-36103
4 Open Document Open Filing FORM 4 29 May 2024 28 May 2024 001-36103
4 Open Document Open Filing FORM 4 29 May 2024 29 May 2024 001-36103
4 Open Document Open Filing FORM 4 28 May 2024 22 May 2024 001-36103
4 Open Document Open Filing FORM 4 22 May 2024 21 May 2024 001-36103
4 Open Document Open Filing FORM 4 17 May 2024 16 May 2024 001-36103
4 Open Document Open Filing FORM 4 16 May 2024 15 May 2024 001-36103
4 Open Document Open Filing FORM 4 24 Apr 2024 24 Apr 2024 001-36103
4 Open Document Open Filing FORM 4 23 Apr 2024 23 Apr 2024 001-36103
4 Open Document Open Filing FORM 4 16 Apr 2024 16 Apr 2024 001-36103
4 Open Document Open Filing FORM 4 16 Apr 2024 15 Apr 2024 001-36103
4 Open Document Open Filing FORM 4 12 Apr 2024 12 Apr 2024 001-36103
4 Open Document Open Filing FORM 4 11 Apr 2024 11 Apr 2024 001-36103
4 Open Document Open Filing FORM 4 09 Apr 2024 09 Apr 2024 001-36103
4 Open Document Open Filing FORM 4 08 Apr 2024 08 Apr 2024 001-36103
4 Open Document Open Filing FORM 4 02 Apr 2024 27 Mar 2024 001-36103
4 Open Document Open Filing FORM 4 23 Jan 2024 22 Jan 2024 001-36103
4 Open Document Open Filing FORM 4 19 Jan 2024 18 Jan 2024 001-36103
4 Open Document Open Filing FORM 4 16 Jan 2024 16 Jan 2024 001-36103
4 Open Document Open Filing FORM 4 28 Dec 2023 27 Dec 2023 001-36103
4 Open Document Open Filing FORM 4 26 Dec 2023 22 Dec 2023 001-36103
4 Open Document Open Filing FORM 4 15 Dec 2023 14 Dec 2023 001-36103
4 Open Document Open Filing FORM 4 21 Nov 2023 20 Nov 2023 001-36103
4 Open Document Open Filing FORM 4 17 Nov 2023 17 Nov 2023 001-36103
4 Open Document Open Filing FORM 4 17 Nov 2023 14 Nov 2023 001-36103
4 Open Document Open Filing FORM 4 17 Oct 2023 17 Oct 2023 001-36103
4 Open Document Open Filing FORM 4 13 Oct 2023 12 Oct 2023 001-36103
4 Open Document Open Filing FORM 4 02 Oct 2023 29 Sep 2023 001-36103
4 Open Document Open Filing FORM 4 28 Sep 2023 27 Sep 2023 001-36103
4 Open Document Open Filing FORM 4 27 Sep 2023 20 Sep 2023 001-36103
4 Open Document Open Filing FORM 4 19 Sep 2023 19 Sep 2023 001-36103
4 Open Document Open Filing FORM 4 08 Sep 2023 07 Sep 2023 001-36103
4 Open Document Open Filing FORM 4 06 Sep 2023 05 Sep 2023 001-36103
4 Open Document Open Filing FORM 4 23 Aug 2023 22 Aug 2023 001-36103
4 Open Document Open Filing FORM 4 17 Aug 2023 15 Aug 2023 001-36103
4 Open Document Open Filing FORM 4 27 Jun 2023 26 Jun 2023 001-36103
4 Open Document Open Filing FORM 4 21 Jun 2023 20 Jun 2023 001-36103
4 Open Document Open Filing FORM 4 15 Jun 2023 15 Jun 2023 001-36103
4 Open Document Open Filing FORM 4 12 Jun 2023 12 Jun 2023 001-36103
4 Open Document Open Filing FORM 4 09 Jun 2023 08 Jun 2023 001-36103
4 Open Document Open Filing FORM 4 08 Jun 2023 07 Jun 2023 001-36103
4 Open Document Open Filing FORM 4 07 Jun 2023 06 Jun 2023 001-36103
4 Open Document Open Filing FORM 4 06 Jun 2023 06 Jun 2023 001-36103
4 Open Document Open Filing FORM 4 05 Jun 2023 02 Jun 2023 001-36103
4 Open Document Open Filing FORM 4 26 May 2023 26 May 2023 001-36103
4 Open Document Open Filing FORM 4 26 May 2023 23 May 2023 001-36103
4 Open Document Open Filing FORM 4 16 May 2023 15 May 2023 001-36103
4 Open Document Open Filing FORM 4 29 Mar 2023 28 Mar 2023 001-36103
4 Open Document Open Filing FORM 4 27 Mar 2023 27 Mar 2023 001-36103
4 Open Document Open Filing FORM 4 24 Mar 2023 24 Mar 2023 001-36103
4 Open Document Open Filing FORM 4 21 Mar 2023 21 Mar 2023 001-36103
4 Open Document Open Filing FORM 4 21 Mar 2023 20 Mar 2023 001-36103
4 Open Document Open Filing FORM 4 19 Oct 2022 19 Oct 2022 001-36103
4 Open Document Open Filing FORM 4 18 Oct 2022 17 Oct 2022 001-36103
4 Open Document Open Filing FORM 4 12 Oct 2022 10 Oct 2022 001-36103
4 Open Document Open Filing FORM 4 12 Sep 2022 08 Sep 2022 001-36103
4 Open Document Open Filing FORM 4 02 Sep 2022 31 Aug 2022 001-36103
4 Open Document Open Filing FORM 4 30 Aug 2022 26 Aug 2022 001-36103
4 Open Document Open Filing FORM 4 25 Aug 2022 23 Aug 2022 001-36103
4 Open Document Open Filing FORM 4 23 Aug 2022 22 Aug 2022 001-36103
3/A Open Document Open Filing FORM 3/A 06 May 2022 11 Mar 2022 001-36103
3 Open Document Open Filing FORM 3 11 Mar 2022 09 Mar 2022 001-36103
4 Open Document Open Filing FORM 4 24 Apr 2020 23 Apr 2020 001-36103
SC 13G/A Open Document Open Filing SC 13G/A 26 Mar 2019
4/A Open Document Open Filing FORM 4/A 11 Apr 2018 23 May 2017 001-36103
SC 13G/A Open Document Open Filing SC 13G/A #4 12 Feb 2018
4 Open Document Open Filing FORM 4 25 May 2017 23 May 2017 001-34493
4 Open Document Open Filing FORM 4 25 May 2017 23 May 2017 001-36103
SC 13G/A Open Document Open Filing SC 13G/A #3 15 Feb 2017
SC 13D/A Open Document Open Filing SC 13D/A #2 20 Dec 2016
4/A Open Document Open Filing FORM 4/A 20 Dec 2016 03 Jun 2016 001-36103
4 Open Document Open Filing FORM 4 15 Dec 2016 13 Dec 2016 000-54484
4 Open Document Open Filing FORM 4 14 Dec 2016 03 Jun 2016 001-36103
4/A Open Document Open Filing FORM 4/A 08 Jul 2016 12 May 2016 000-54484
SC 13D Open Document Open Filing SC 13D/A 24 May 2016
4 Open Document Open Filing FORM 4 18 May 2016 16 May 2016 001-36103
4 Open Document Open Filing FORM 4 17 May 2016 12 May 2016 000-54484
SC 13D Open Document Open Filing SC 13D 13 May 2016
4 Open Document Open Filing FORM 4 06 May 2016 04 May 2016 000-54484
4 Open Document Open Filing FORM 4 06 May 2016 04 May 2016 001-34493
4 Open Document Open Filing FORM 4 25 Apr 2016 22 Apr 2016 001-36103
SC 13G/A Open Document Open Filing TGEN SC 13G/A OF JOHN N. HATSOPOULOS 16 Feb 2016
SC 13G/A Open Document Open Filing ADGE 13G/A OF JOHN N. HATSOPOULOS 16 Feb 2016
5 Open Document Open Filing FORM 5 12 Feb 2016 31 Dec 2015 001-34493
4 Open Document Open Filing FORM 4 22 Jan 2016 06 Jan 2016 001-36103
4 Open Document Open Filing FORM 4 08 Jan 2016 07 Jan 2016 000-54484
4 Open Document Open Filing FORM 4 31 Dec 2015 29 Dec 2015 000-54484
4 Open Document Open Filing FORM 4 22 Dec 2015 22 Dec 2015 000-54484
4 Open Document Open Filing FORM 4 10 Dec 2015 09 Dec 2015 001-34493
4 Open Document Open Filing FORM 4 09 Dec 2015 08 Dec 2015 001-34493
4 Open Document Open Filing FORM 4 04 Dec 2015 02 Dec 2015 001-34493
4 Open Document Open Filing FORM 4 02 Dec 2015 30 Nov 2015 000-54484
4 Open Document Open Filing FORM 4 02 Dec 2015 30 Nov 2015 001-34493
4 Open Document Open Filing FORM 4 01 Dec 2015 27 Nov 2015 001-34493
4 Open Document Open Filing FORM 4 24 Nov 2015 20 Nov 2015 001-34493
4 Open Document Open Filing FORM 4 24 Nov 2015 23 Nov 2015 000-54484
4 Open Document Open Filing FORM 4 17 Nov 2015 16 Nov 2015 000-54484
4 Open Document Open Filing FORM 4 12 Nov 2015 06 Nov 2015 001-34493
4 Open Document Open Filing FORM 4 23 Oct 2015 21 Oct 2015 001-34493
4 Open Document Open Filing FORM 4 21 Oct 2015 19 Oct 2015 001-34493
4 Open Document Open Filing FORM 4 15 Oct 2015 07 Oct 2015 001-34493
4 Open Document Open Filing FORM 4 14 Oct 2015 09 Oct 2015 000-54484
4 Open Document Open Filing FORM 4 13 Oct 2015 09 Oct 2015 001-34493
4 Open Document Open Filing FORM 4 09 Oct 2015 07 Oct 2015 000-54484
4 Open Document Open Filing FORM 4 07 Oct 2015 05 Oct 2015 001-34493
4 Open Document Open Filing FORM 4 02 Oct 2015 30 Sep 2015 000-54484
4 Open Document Open Filing FORM 4 28 Sep 2015 25 Sep 2015 000-54484
4 Open Document Open Filing FORM 4 14 Sep 2015 10 Sep 2015 000-54484
4 Open Document Open Filing FORM 4 04 Sep 2015 02 Sep 2015 001-34493
4 Open Document Open Filing FORM 4 03 Jun 2015 02 Jun 2015 000-54484
4 Open Document Open Filing FORM 4 22 May 2015 20 May 2015 000-54484
4 Open Document Open Filing FORM 4 20 May 2015 18 May 2015 000-54484
4 Open Document Open Filing FORM 4 20 Apr 2015 17 Apr 2015 000-54484
5 Open Document Open Filing OWNERSHIP DOCUMENT 18 Feb 2015 31 Dec 2014 001-34493
SC 13G/A Open Document Open Filing FORM SC 13G/A 18 Feb 2015
SC 13G Open Document Open Filing SC 13G JOHN N. HATSOPOULOS 18 Feb 2015
5 Open Document Open Filing OWNERSHIP DOCUMENT 12 Feb 2015 31 Dec 2014 000-54484
4 Open Document Open Filing FORM 4 15 Jan 2015 13 Jan 2015 000-54484
4 Open Document Open Filing FORM 4 23 Dec 2014 22 Dec 2014 000-54484
4 Open Document Open Filing FORM 4 11 Dec 2014 11 Dec 2014 000-54484
4 Open Document Open Filing OWNERSHIP DOCUMENT 04 Dec 2014 02 Dec 2014 000-54484
4 Open Document Open Filing FORM 4 20 Oct 2014 16 Oct 2014 000-54484
4 Open Document Open Filing OWNERSHIP DOCUMENT 08 Oct 2014 03 Oct 2014 000-54484
4 Open Document Open Filing FORM 4 23 Sep 2014 22 Sep 2014 001-34493
4 Open Document Open Filing FORM 4 28 Aug 2014 22 Aug 2014 001-34493
4 Open Document Open Filing FORM 4 22 Aug 2014 23 May 2014 001-34493
4 Open Document Open Filing FORM 4 17 Jun 2014 13 Jun 2014 000-54484
4 Open Document Open Filing FORM 4 12 Jun 2014 11 Jun 2014 000-54484
4 Open Document Open Filing FORM 4 23 May 2014 22 May 2014 000-54484
3 Open Document Open Filing FORM 3 22 May 2014 20 May 2014 001-36103
4 Open Document Open Filing OWNERSHIP DOCUMENT 30 Apr 2014 28 Apr 2014 000-54484
SC 13G/A Open Document Open Filing SC 13G/A 14 Feb 2014