William D. Porteous SEC EDGAR Filings (CIK 0001865965)

SEC EDGAR filings, ownership reports, and insider transactions for William D. Porteous.

Business address
C/O Rre Ventures, 130 East 59 Th Street, 17 Th Floor, New York, NY, 10022
Top holdings (ownership)
BKSY
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William D. Porteous has filed 20 SEC EDGAR filings since 11 Jun 2021

Latest Filings

Recent SEC filings for William D. Porteous including 4, 3/A, 3.

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open 4 document View SEC filing for 4 FORM 4 02 Jan 2026 31 Dec 2025 001-39113
4 Open 4 document View SEC filing for 4 FORM 4 10 Dec 2025 10 Dec 2025 001-39113
4 Open 4 document View SEC filing for 4 FORM 4 01 Oct 2025 30 Sep 2025 001-39113
4 Open 4 document View SEC filing for 4 FORM 4 11 Sep 2025 11 Sep 2025 001-39113
4 Open 4 document View SEC filing for 4 FORM 4 01 Jul 2025 30 Jun 2025 001-39113
4 Open 4 document View SEC filing for 4 FORM 4 01 Apr 2025 31 Mar 2025 001-39113
4 Open 4 document View SEC filing for 4 FORM 4 31 Dec 2024 31 Dec 2024 001-39113
4 Open 4 document View SEC filing for 4 FORM 4 16 Dec 2024 12 Dec 2024 001-39113
4 Open 4 document View SEC filing for 4 FORM 4 02 Oct 2024 30 Sep 2024 001-39113
4 Open 4 document View SEC filing for 4 FORM 4 06 Sep 2024 04 Sep 2024 001-39113
4 Open 4 document View SEC filing for 4 FORM 4 02 Jul 2024 30 Jun 2024 001-39113
4 Open 4 document View SEC filing for 4 FORM 4 01 Apr 2024 31 Mar 2024 001-39113
4 Open 4 document View SEC filing for 4 FORM 4 03 Jan 2024 31 Dec 2023 001-39113
4 Open 4 document View SEC filing for 4 FORM 4 03 Oct 2023 30 Sep 2023 001-39113
4 Open 4 document View SEC filing for 4 FORM 4 13 Sep 2023 08 Sep 2023 001-39113
3/A Open 3/A document View SEC filing for 3/A FORM 3/A 21 Oct 2022 21 Oct 2022 001-39113
4 Open 4 document View SEC filing for 4 FORM 4 13 Sep 2022 09 Sep 2022 001-39113
4 Open 4 document View SEC filing for 4 FORM 4 23 Dec 2021 21 Dec 2021 001-39113
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 16 Sep 2021 09 Sep 2021 001-39113
3 Open 3 document View SEC filing for 3 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES 11 Jun 2021 01 Jun 2021 001-39691

About this filer

William D. Porteous files with the SEC under CIK 0001865965. 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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