Niccolo de Masi SEC EDGAR Filings (CIK 0001480011)

SEC EDGAR filings, ownership reports, and insider transactions for Niccolo de Masi.

Business address
500 Howard St., Suite 300, San Francisco, CA, 94105
Top holdings (ownership)
IONQ, PL, and RSI
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Niccolo de Masi has filed 121 SEC EDGAR filings since 06 Jan 2010

Latest Filings

Recent SEC filings for Niccolo de Masi including 4, 144, 144/A and more.

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open 4 document View SEC filing for 4 4 15 Dec 2025 11 Dec 2025 001-39694
144 Open 144 document View SEC filing for 144 10 Dec 2025
144 Open 144 document View SEC filing for 144 29 Sep 2025
144 Open 144 document View SEC filing for 144 17 Sep 2025
144 Open 144 document View SEC filing for 144 16 Sep 2025
4 Open 4 document View SEC filing for 4 4 12 Sep 2025 11 Sep 2025 001-39694
144 Open 144 document View SEC filing for 144 12 Sep 2025
144 Open 144 document View SEC filing for 144 11 Sep 2025
144 Open 144 document View SEC filing for 144 19 Aug 2025
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 15 Aug 2025 13 Aug 2025 001-39694
4 Open 4 document View SEC filing for 4 FORM 4 01 Aug 2025 31 Jul 2025 001-39232
144 Open 144 document View SEC filing for 144 31 Jul 2025
144 Open 144 document View SEC filing for 144 11 Jul 2025
4 Open 4 document View SEC filing for 4 FORM 4 08 Jul 2025 03 Jul 2025 001-39232
144 Open 144 document View SEC filing for 144 07 Jul 2025
144 Open 144 document View SEC filing for 144 03 Jul 2025
4 Open 4 document View SEC filing for 4 FORM 4 20 Jun 2025 18 Jun 2025 001-39232
4 Open 4 document View SEC filing for 4 FORM 4 18 Jun 2025 12 Jun 2025 001-40166
4 Open 4 document View SEC filing for 4 FORM 4 17 Jun 2025 13 Jun 2025 001-39232
4 Open 4 document View SEC filing for 4 4 13 Jun 2025 11 Jun 2025 001-39694
144 Open 144 document View SEC filing for 144 13 Jun 2025
144 Open 144 document View SEC filing for 144 13 Jun 2025
144 Open 144 document View SEC filing for 144 12 Jun 2025
144 Open 144 document View SEC filing for 144 11 Jun 2025
4 Open 4 document View SEC filing for 4 4 10 Jun 2025 09 Jun 2025 001-39694
144 Open 144 document View SEC filing for 144 06 Jun 2025
4 Open 4 document View SEC filing for 4 FORM 4 29 May 2025 29 May 2025 001-39232
4 Open 4 document View SEC filing for 4 28 Feb 2025 26 Feb 2025 001-39694
4 Open 4 document View SEC filing for 4 FORM 4 25 Feb 2025 24 Feb 2025 001-39232
4 Open 4 document View SEC filing for 4 FORM 4 11 Jul 2024 11 Jul 2024 001-40166
4 Open 4 document View SEC filing for 4 10 Jun 2024 06 Jun 2024 001-39694
144/A Open 144/A document View SEC filing for 144/A 16 Feb 2024
144 Open 144 document View SEC filing for 144 13 Feb 2024
144 Open 144 document View SEC filing for 144 09 Feb 2024
144 Open 144 document View SEC filing for 144 08 Feb 2024
144 Open 144 document View SEC filing for 144 02 Feb 2024
144 Open 144 document View SEC filing for 144 02 Feb 2024
144 Open 144 document View SEC filing for 144 11 Jan 2024
4 Open 4 document View SEC filing for 4 FORM 4 11 Jul 2023 11 Jul 2023 001-40166
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Jul 2023 30 Jun 2023 001-39694
4 Open 4 document View SEC filing for 4 FORM 4 09 Nov 2022 09 Nov 2022 001-40166
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 29 Sep 2022 29 Sep 2022 001-41519
4 Open 4 document View SEC filing for 4 FORM 4 09 Sep 2022 08 Sep 2022 001-40166
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 27 May 2022 26 May 2022 001-39694
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 10 May 2022 06 May 2022 001-39694
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Jan 2022 14 Jan 2022 001-39694
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 20 Dec 2021 16 Dec 2021 001-40166
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Oct 2021 30 Sep 2021 001-39694
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 30 Sep 2021 30 Sep 2021 001-40864
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 28 May 2021 26 May 2021 001-39232
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 May 2021 29 Apr 2021 001-33368
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 31 Mar 2021 29 Mar 2021 001-39232
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 31 Mar 2021 08 Mar 2021 001-39232
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 05 Mar 2021 04 Mar 2021 001-40166
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 Dec 2020 27 Nov 2020 001-33368
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 20 Nov 2020 19 Nov 2020 001-33368
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 13 Nov 2020 12 Nov 2020 001-39694
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 10 Nov 2020 06 Nov 2020 001-33368
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 13 Aug 2020 13 Aug 2020 001-39444
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 22 Jun 2020 18 Jun 2020 001-33368
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 20 Feb 2020 20 Feb 2020 001-39232
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Nov 2019 16 Nov 2019 001-38635
4 Open 4 document View SEC filing for 4 FORM 4 - 16 Aug 2019 15 Aug 2019 001-33368
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 12 Jun 2019 12 Jun 2019 001-38635
4 Open 4 document View SEC filing for 4 FORM 4 - 17 May 2019 15 May 2019 001-33368
4 Open 4 document View SEC filing for 4 FORM 4 - 07 May 2019 03 May 2019 001-33368
4 Open 4 document View SEC filing for 4 FORM 4 - 19 Feb 2019 15 Feb 2019 001-33368
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 14 Feb 2019 13 Feb 2019 001-38635
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Nov 2018 16 Nov 2018 001-38635
4 Open 4 document View SEC filing for 4 FORM 4 - 16 Nov 2018 15 Nov 2018 001-33368
4 Open 4 document View SEC filing for 4 FORM 4 - 07 Nov 2018 05 Nov 2018 001-33368
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 31 Oct 2018 29 Oct 2018 001-38635
4 Open 4 document View SEC filing for 4 FORM 4 - 23 Aug 2018 21 Aug 2018 001-33368
4 Open 4 document View SEC filing for 4 FORM 4 - 20 Aug 2018 15 Aug 2018 001-33368
4 Open 4 document View SEC filing for 4 FORM 4 - 15 Jun 2018 15 Jun 2018 001-33368
4 Open 4 document View SEC filing for 4 FORM 4 - 16 May 2018 15 May 2018 001-33368
4 Open 4 document View SEC filing for 4 FORM 4 - 07 May 2018 03 May 2018 001-33368
4 Open 4 document View SEC filing for 4 FORM 4 - 16 Feb 2018 15 Feb 2018 001-33368
4 Open 4 document View SEC filing for 4 FORM 4 - 16 Nov 2017 15 Nov 2017 001-33368
4 Open 4 document View SEC filing for 4 FORM 4 - 07 Nov 2017 03 Nov 2017 001-33368
4 Open 4 document View SEC filing for 4 FORM 4 - 13 Oct 2017 11 Oct 2017 001-33368
4 Open 4 document View SEC filing for 4 FORM 4 - 01 Sep 2017 30 Aug 2017 001-33368
4 Open 4 document View SEC filing for 4 FORM 4 - 17 Aug 2017 15 Aug 2017 001-33368
4 Open 4 document View SEC filing for 4 FORM 4 - 09 Jun 2017 08 Jun 2017 001-33368
4 Open 4 document View SEC filing for 4 FORM 4 - 17 May 2017 15 May 2017 001-33368
4 Open 4 document View SEC filing for 4 FORM 4 - 17 Feb 2017 15 Feb 2017 001-33368
4 Open 4 document View SEC filing for 4 FORM 4 - 21 Nov 2016 17 Nov 2016 001-33368
4 Open 4 document View SEC filing for 4 FORM 4 - 16 Nov 2016 15 Nov 2016 001-33368
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Aug 2016 19 Aug 2016 001-35572
4 Open 4 document View SEC filing for 4 FORM 4 - 17 Aug 2016 15 Aug 2016 001-33368
4 Open 4 document View SEC filing for 4 FORM 4 - 29 Jul 2016 28 Jul 2016 001-33368
4 Open 4 document View SEC filing for 4 FORM 4 - 18 May 2016 16 May 2016 001-33368
4 Open 4 document View SEC filing for 4 FORM 4 - 18 Feb 2016 16 Feb 2016 001-33368
4 Open 4 document View SEC filing for 4 FORM 4 05 Jan 2016 31 Dec 2015 001-35572
4 Open 4 document View SEC filing for 4 FORM 4 - 18 Nov 2015 16 Nov 2015 001-33368
3 Open 3 document View SEC filing for 3 FORM 3 18 Nov 2015 18 Nov 2015 001-35572
4 Open 4 document View SEC filing for 4 FORM 4 - 14 Oct 2015 13 Oct 2015 001-33368
4 Open 4 document View SEC filing for 4 FORM 4 - 19 Aug 2015 17 Aug 2015 001-33368
4 Open 4 document View SEC filing for 4 FORM 4 - 05 Jun 2015 04 Jun 2015 001-33368
4 Open 4 document View SEC filing for 4 FORM 4 - 01 Jun 2015 01 Jun 2015 001-33368
4 Open 4 document View SEC filing for 4 FORM 4 - 19 May 2015 15 May 2015 001-33368
4 Open 4 document View SEC filing for 4 FORM 4 - 18 Feb 2015 17 Feb 2015 001-33368
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Nov 2014 17 Nov 2014 001-33368
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Nov 2014 17 Nov 2014 001-33368
4/A Open 4/A document View SEC filing for 4/A FORM 4/A SUBMISSION 30 Jul 2014 24 Apr 2014 001-33368
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 25 Apr 2014 24 Apr 2014 001-33368
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Mar 2014 28 Feb 2014 001-33368
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 20 Feb 2014 18 Feb 2014 001-33368
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 07 Feb 2014 06 Feb 2014 001-33368
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 10 Jan 2014 08 Jan 2014 001-33368
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 24 Dec 2013 23 Dec 2013 001-33368
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 10 Oct 2013 09 Oct 2013 001-33368
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Nov 2012 19 Nov 2012 001-33368
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 11 Oct 2012 09 Oct 2012 001-33368
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 14 Mar 2012 13 Mar 2012 001-33368
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 21 Oct 2011 20 Oct 2011 001-33368
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 10 Jun 2011 09 Jun 2011 001-33368
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Jan 2011 03 Jan 2011 001-33368
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 25 Oct 2010 21 Oct 2010 001-33368
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 06 Jan 2010 04 Jan 2010 001-33368
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 06 Jan 2010 04 Jan 2010 001-33368

About this filer

Niccolo de Masi files with the SEC under CIK 0001480011. This page aggregates EDGAR filings and related ownership activity.

See reporting owner transactions.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
How often is this page updated?
Updates follow new EDGAR submissions and periodic data refreshes.

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