James N. Topper

Business address
550 Hamilton Avenue, Suite 100, Palo Alto, CA, 94301
Top holdings (ownership)
NAMS, PHAT, and ANAB
⭐ Add to watchlist ⭐
Get insider transactions for this reporting owner
James N. Topper has filed 153 SEC EDGAR filings since 14 Dec 2005

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing 30 Sep 2025 26 Sep 2025 001-42272
4 Open Document Open Filing 17 Sep 2025 15 Sep 2025 001-41562
4 Open Document Open Filing 17 Sep 2025 17 Sep 2025 001-41365
4 Open Document Open Filing 10 Sep 2025 08 Sep 2025 001-41562
4 Open Document Open Filing 13 Aug 2025 11 Aug 2025 001-41562
4 Open Document Open Filing 26 Jun 2025 24 Jun 2025 001-41562
4 Open Document Open Filing 18 Jun 2025 16 Jun 2025 001-41562
4 Open Document Open Filing 4 05 Jun 2025 03 Jun 2025 001-39094
4 Open Document Open Filing 23 May 2025 21 May 2025 001-39094
4 Open Document Open Filing 15 May 2025 13 May 2025 001-39094
4 Open Document Open Filing 13 May 2025 09 May 2025 001-39094
4 Open Document Open Filing 28 Mar 2025 26 Mar 2025 001-41562
4 Open Document Open Filing 06 Mar 2025 04 Mar 2025 001-41562
4 Open Document Open Filing 4 17 Sep 2024 16 Sep 2024 001-42272
3 Open Document Open Filing 3 12 Sep 2024 12 Sep 2024 001-42272
4/A Open Document Open Filing 31 May 2024 04 Apr 2024 001-41365
4 Open Document Open Filing 4 24 May 2024 23 May 2024 001-39094
4 Open Document Open Filing FORM 4 20 May 2024 18 May 2024 001-37449
4 Open Document Open Filing 29 Apr 2024 25 Apr 2024 001-37449
4 Open Document Open Filing 08 Apr 2024 04 Apr 2024 001-41365
4 Open Document Open Filing 28 Mar 2024 26 Mar 2024 001-41562
4 Open Document Open Filing FORM 4 04 Jan 2024 02 Jan 2024 001-37449
3 Open Document Open Filing 3 29 Dec 2023 29 Dec 2023 001-41562
4 Open Document Open Filing FORM 4 SUBMISSION 13 Dec 2023 11 Dec 2023 001-37449
4 Open Document Open Filing FORM 4 SUBMISSION 26 Oct 2023 24 Oct 2023 001-39186
4 Open Document Open Filing FORM 4 SUBMISSION 30 May 2023 25 May 2023 001-39094
4 Open Document Open Filing FORM 4 SUBMISSION 10 Jan 2023 06 Jan 2023 001-37985
4 Open Document Open Filing FORM 4 05 Jan 2023 03 Jan 2023 001-37449
4 Open Document Open Filing FORM 4 SUBMISSION 26 Sep 2022 22 Sep 2022 001-39094
4 Open Document Open Filing FORM 4 SUBMISSION 09 Aug 2022 05 Aug 2022 001-39186
4 Open Document Open Filing FORM 4 SUBMISSION 03 May 2022 03 May 2022 001-41365
3 Open Document Open Filing FORM 3 SUBMISSION 28 Apr 2022 28 Apr 2022 001-41365
4 Open Document Open Filing FORM 4 SUBMISSION 15 Feb 2022 11 Feb 2022 001-37449
4 Open Document Open Filing FORM 4 SUBMISSION 14 Feb 2022 10 Feb 2022 001-37985
4 Open Document Open Filing FORM 4 04 Jan 2022 03 Jan 2022 001-37449
4 Open Document Open Filing FORM 4 SUBMISSION 21 Sep 2021 17 Sep 2021 001-37449
4 Open Document Open Filing FORM 4 SUBMISSION 12 May 2021 10 May 2021 001-39186
4 Open Document Open Filing FORM 4 SUBMISSION 12 Feb 2021 10 Feb 2021 001-37985
4 Open Document Open Filing FORM 4 05 Jan 2021 04 Jan 2021 001-37449
3/A Open Document Open Filing OWNERSHIP DOCUMENT 17 Dec 2020 08 Dec 2020 001-39765
4 Open Document Open Filing OWNERSHIP DOCUMENT 11 Dec 2020 11 Dec 2020 001-39765
3 Open Document Open Filing OWNERSHIP DOCUMENT 08 Dec 2020 08 Dec 2020 001-39765
4 Open Document Open Filing FORM 4 SUBMISSION 18 Nov 2020 16 Nov 2020 001-37985
4 Open Document Open Filing FORM 4 SUBMISSION 18 Nov 2020 17 Nov 2020 001-38268
4 Open Document Open Filing FORM 4 SUBMISSION 20 Oct 2020 20 Oct 2020 001-39614
3 Open Document Open Filing FORM 3 SUBMISSION 15 Oct 2020 15 Oct 2020 001-39614
4 Open Document Open Filing FORM 4 SUBMISSION 16 Jun 2020 12 Jun 2020 001-39094
4 Open Document Open Filing FORM 4 SUBMISSION 22 May 2020 21 May 2020 001-39094
4 Open Document Open Filing FORM 4 02 Apr 2020 31 Mar 2020 001-38535
4 Open Document Open Filing FORM 4 SUBMISSION 03 Mar 2020 03 Mar 2020 001-39231
3 Open Document Open Filing FORM 3 SUBMISSION 27 Feb 2020 27 Feb 2020 001-39231
4 Open Document Open Filing FORM 4 SUBMISSION 13 Feb 2020 12 Feb 2020 001-37985
4 Open Document Open Filing FORM 4 SUBMISSION 06 Feb 2020 04 Feb 2020 001-39186
3/A Open Document Open Filing FORM 3/A SUBMISSION 31 Jan 2020 30 Jan 2020 001-39186
4 Open Document Open Filing FORM 4 SUBMISSION 13 Jan 2020 09 Jan 2020 001-38670
4 Open Document Open Filing FORM 4 SUBMISSION 06 Jan 2020 02 Jan 2020 001-37449
4 Open Document Open Filing FORM 4 03 Jan 2020 31 Dec 2019 001-38535
4 Open Document Open Filing FORM 4 SUBMISSION 30 Oct 2019 29 Oct 2019 001-39094
3 Open Document Open Filing FORM 3 SUBMISSION 24 Oct 2019 24 Oct 2019 001-39094
4 Open Document Open Filing FORM 4 02 Oct 2019 30 Sep 2019 001-38535
4 Open Document Open Filing FORM 4 SUBMISSION 24 Jul 2019 22 Jul 2019 001-38981
3 Open Document Open Filing FORM 3 SUBMISSION 17 Jul 2019 17 Jul 2019 001-38981
4 Open Document Open Filing 4 02 Jul 2019 28 Jun 2019 001-38535
4 Open Document Open Filing FORM 4 SUBMISSION 07 Jun 2019 05 Jun 2019 001-38268
4 Open Document Open Filing 4 17 May 2019 15 May 2019 001-38535
4 Open Document Open Filing 4 02 Apr 2019 29 Mar 2019 001-38535
4 Open Document Open Filing FORM 4 SUBMISSION 11 Feb 2019 08 Feb 2019 001-37985
4 Open Document Open Filing FORM 4 SUBMISSION 22 Jan 2019 18 Jan 2019 001-37449
4 Open Document Open Filing FORM 4 SUBMISSION 22 Jan 2019 18 Jan 2019 001-38670
4 Open Document Open Filing FORM 4 SUBMISSION 04 Jan 2019 02 Jan 2019 001-37449
4 Open Document Open Filing FORM 4 SUBMISSION 02 Oct 2018 28 Sep 2018 001-38670
3 Open Document Open Filing FORM 3 SUBMISSION 25 Sep 2018 25 Sep 2018 001-38670
4 Open Document Open Filing 4 26 Jun 2018 25 Jun 2018 001-38535
3 Open Document Open Filing 3 20 Jun 2018 20 Jun 2018 001-38535
4 Open Document Open Filing FORM 4 SUBMISSION 12 Jun 2018 08 Jun 2018 001-38268
4 Open Document Open Filing PRIMARY DOCUMENT 15 May 2018 11 May 2018 001-37985
4 Open Document Open Filing FORM 4 SUBMISSION 06 Feb 2018 02 Feb 2018 001-37985
4 Open Document Open Filing FORM 4 SUBMISSION 04 Jan 2018 02 Jan 2018 001-37449
4 Open Document Open Filing FORM 4 SUBMISSION 06 Nov 2017 06 Nov 2017 001-38268
3 Open Document Open Filing FORM 3 SUBMISSION 01 Nov 2017 01 Nov 2017 001-38268
4 Open Document Open Filing FORM 4 SUBMISSION 26 Jul 2017 24 Jul 2017 001-37449
3 Open Document Open Filing FORM 3 SUBMISSION 26 Jul 2017 24 Jul 2017 001-37449
4 Open Document Open Filing FORM 4 SUBMISSION 28 Feb 2017 24 Feb 2017 001-37985
4 Open Document Open Filing FORM 4 SUBMISSION 16 Feb 2017 14 Feb 2017 001-37490
4 Open Document Open Filing FORM 4 SUBMISSION 31 Jan 2017 31 Jan 2017 001-37985
3 Open Document Open Filing FORM 3 SUBMISSION 25 Jan 2017 25 Jan 2017 001-37985
4 Open Document Open Filing FORM 4 SUBMISSION 20 Jun 2016 16 Jun 2016 001-37490
4 Open Document Open Filing FORM 4 SUBMISSION 21 Jul 2015 21 Jul 2015 001-37490
3 Open Document Open Filing FORM 3 SUBMISSION 15 Jul 2015 15 Jul 2015 001-37490
4 Open Document Open Filing 4 30 Jun 2015 30 Jun 2015 001-37463
4 Open Document Open Filing 4 30 Jun 2015 26 Jun 2015 001-37463
3 Open Document Open Filing 3 24 Jun 2015 24 Jun 2015 001-37463
4 Open Document Open Filing PRIMARY DOCUMENT 14 May 2015 12 May 2015 001-37372
3 Open Document Open Filing PRIMARY DOCUMENT 06 May 2015 06 May 2015 001-37372
4 Open Document Open Filing FORM 4 SUBMISSION 16 Jun 2014 12 Jun 2014 001-33497
4 Open Document Open Filing FORM 4 SUBMISSION 17 Jun 2013 13 Jun 2013 001-33497
4 Open Document Open Filing FORM 4 SUBMISSION 07 Jun 2013 05 Jun 2013 001-35935
4 Open Document Open Filing FORM 4 SUBMISSION 30 May 2013 28 May 2013 001-35935
3 Open Document Open Filing FORM 3 SUBMISSION 21 May 2013 21 May 2013 001-35935
4 Open Document Open Filing FORM 4 SUBMISSION 15 Jun 2012 13 Jun 2012 001-33497