Shigeyuki Hamamatsu SEC EDGAR Filings (CIK 0001379827)

SEC EDGAR filings, ownership reports, and insider transactions for Shigeyuki Hamamatsu.

Business address
1875 Charleston Road, Mountain View, CA, 94043
Top holdings (ownership)
OOMA
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Shigeyuki Hamamatsu has filed 79 SEC EDGAR filings since 02 Nov 2006

Latest Filings

Recent SEC filings for Shigeyuki Hamamatsu including 4, 144, 3 and more.

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open 4 document View SEC filing for 4 4 03 Mar 2026 01 Mar 2026 001-37493
4 Open 4 document View SEC filing for 4 4 17 Dec 2025 15 Dec 2025 001-37493
4 Open 4 document View SEC filing for 4 4 12 Dec 2025 10 Dec 2025 001-37493
4 Open 4 document View SEC filing for 4 4 10 Dec 2025 08 Dec 2025 001-37493
4 Open 4 document View SEC filing for 4 4 03 Dec 2025 01 Dec 2025 001-37493
4 Open 4 document View SEC filing for 4 4 17 Sep 2025 10 Sep 2025 001-37493
4 Open 4 document View SEC filing for 4 4 05 Sep 2025 04 Sep 2025 001-37493
144 Open 144 document View SEC filing for 144 04 Sep 2025
4 Open 4 document View SEC filing for 4 4 03 Sep 2025 01 Sep 2025 001-37493
4 Open 4 document View SEC filing for 4 4 17 Jun 2025 15 Jun 2025 001-37493
4 Open 4 document View SEC filing for 4 4 12 Jun 2025 10 Jun 2025 001-37493
4 Open 4 document View SEC filing for 4 4 10 Jun 2025 08 Jun 2025 001-37493
144 Open 144 document View SEC filing for 144 09 Jun 2025
4 Open 4 document View SEC filing for 4 4 03 Jun 2025 01 Jun 2025 001-37493
4 Open 4 document View SEC filing for 4 4 18 Mar 2025 15 Mar 2025 001-37493
4 Open 4 document View SEC filing for 4 4 11 Mar 2025 08 Mar 2025 001-37493
4 Open 4 document View SEC filing for 4 4 04 Mar 2025 01 Mar 2025 001-37493
4 Open 4 document View SEC filing for 4 4 17 Dec 2024 15 Dec 2024 001-37493
4 Open 4 document View SEC filing for 4 4 12 Dec 2024 10 Dec 2024 001-37493
144 Open 144 document View SEC filing for 144 10 Dec 2024
4 Open 4 document View SEC filing for 4 4 09 Dec 2024 08 Dec 2024 001-37493
4 Open 4 document View SEC filing for 4 4 03 Dec 2024 01 Dec 2024 001-37493
4 Open 4 document View SEC filing for 4 4 17 Sep 2024 15 Sep 2024 001-37493
4 Open 4 document View SEC filing for 4 4 10 Sep 2024 08 Sep 2024 001-37493
4 Open 4 document View SEC filing for 4 4 04 Sep 2024 01 Sep 2024 001-37493
4 Open 4 document View SEC filing for 4 4 18 Jun 2024 15 Jun 2024 001-37493
4 Open 4 document View SEC filing for 4 4 11 Jun 2024 08 Jun 2024 001-37493
4 Open 4 document View SEC filing for 4 4 04 Jun 2024 01 Jun 2024 001-37493
4 Open 4 document View SEC filing for 4 4 14 May 2024 15 Mar 2024 001-37493
4 Open 4 document View SEC filing for 4 4 19 Mar 2024 15 Mar 2024 001-37493
4 Open 4 document View SEC filing for 4 4 12 Mar 2024 08 Mar 2024 001-37493
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Mar 2024 01 Mar 2024 001-37493
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Dec 2023 15 Dec 2023 001-37493
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 11 Dec 2023 08 Dec 2023 001-37493
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Dec 2023 01 Dec 2023 001-37493
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 18 Sep 2023 15 Sep 2023 001-37493
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 11 Sep 2023 08 Sep 2023 001-37493
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 06 Sep 2023 01 Sep 2023 001-37493
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 20 Jun 2023 15 Jun 2023 001-37493
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 09 Jun 2023 08 Jun 2023 001-37493
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Jun 2023 01 Jun 2023 001-37493
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Mar 2023 15 Mar 2023 001-37493
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 10 Mar 2023 08 Mar 2023 001-37493
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2023 01 Mar 2023 001-37493
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Dec 2022 15 Dec 2022 001-37493
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Dec 2022 01 Dec 2022 001-37493
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Sep 2022 15 Sep 2022 001-37493
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 06 Sep 2022 01 Sep 2022 001-37493
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Jun 2022 01 Jun 2022 001-37493
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2022 01 Mar 2022 001-37493
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 20 Sep 2021 08 Sep 2021 001-37493
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 20 Sep 2021 07 Sep 2021 001-37493
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Dec 2020 30 Nov 2020 001-33301
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Nov 2020 03 Nov 2020 001-33301
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 Oct 2020 02 Oct 2020 001-33301
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 Jan 2020 03 Jan 2020 001-33301
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Nov 2019 31 Oct 2019 001-33301
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Oct 2019 01 Oct 2019 001-33301
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 Dec 2018 30 Nov 2018 001-33301
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Oct 2018 02 Oct 2018 001-33301
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 31 Aug 2018 31 Aug 2018 001-33301
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 30 Jan 2018 29 Sep 2017 001-33301
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 30 Jan 2018 05 Sep 2017 001-33301

About this filer

Shigeyuki Hamamatsu files with the SEC under CIK 0001379827. 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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