William A. Heyburn SEC EDGAR Filings (CIK 0001859732)

SEC EDGAR filings, ownership reports, and insider transactions for William A. Heyburn.

Business address
C/O Blade Air Mobility, Inc., 31 Hudson Yards, 14 Th Floor, New York, NY, 10001
Top holdings (ownership)
SRTA
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William A. Heyburn has filed 48 SEC EDGAR filings since 17 May 2021

Latest Filings

Recent SEC filings for William A. Heyburn including 4, 144, 4/A and more.

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open 4 document View SEC filing for 4 FORM 4 12 Dec 2025 10 Dec 2025 001-39046
4 Open 4 document View SEC filing for 4 FORM 4 10 Dec 2025 09 Dec 2025 001-39046
4 Open 4 document View SEC filing for 4 FORM 4 05 Nov 2025 31 Oct 2025 001-39046
4 Open 4 document View SEC filing for 4 FORM 4 12 Sep 2025 10 Sep 2025 001-39046
4 Open 4 document View SEC filing for 4 FORM 4 05 Aug 2025 01 Aug 2025 001-39046
144 Open 144 document View SEC filing for 144 04 Aug 2025
4 Open 4 document View SEC filing for 4 FORM 4 11 Jun 2025 09 Jun 2025 001-39046
144 Open 144 document View SEC filing for 144 09 Jun 2025
4 Open 4 document View SEC filing for 4 FORM 4 17 Mar 2025 13 Mar 2025 001-39046
4 Open 4 document View SEC filing for 4 FORM 4 08 Jan 2025 06 Jan 2025 001-39046
4 Open 4 document View SEC filing for 4 FORM 4 23 Dec 2024 20 Dec 2024 001-39046
4 Open 4 document View SEC filing for 4 FORM 4 11 Dec 2024 09 Dec 2024 001-39046
4 Open 4 document View SEC filing for 4 FORM 4 03 Dec 2024 29 Nov 2024 001-39046
144 Open 144 document View SEC filing for 144 29 Nov 2024
4 Open 4 document View SEC filing for 4 FORM 4 19 Nov 2024 18 Nov 2024 001-39046
4 Open 4 document View SEC filing for 4 FORM 4 13 Sep 2024 11 Sep 2024 001-39046
4 Open 4 document View SEC filing for 4 FORM 4 15 Aug 2024 14 Aug 2024 001-39046
4 Open 4 document View SEC filing for 4 FORM 4 17 Jun 2024 13 Jun 2024 001-39046
4 Open 4 document View SEC filing for 4 FORM 4 12 Jun 2024 10 Jun 2024 001-39046
4/A Open 4/A document View SEC filing for 4/A FORM 4/A 17 Apr 2024 03 Apr 2024 001-39046
4 Open 4 document View SEC filing for 4 FORM 4 05 Apr 2024 03 Apr 2024 001-39046
144 Open 144 document View SEC filing for 144 04 Apr 2024
4 Open 4 document View SEC filing for 4 FORM 4 20 Mar 2024 19 Mar 2024 001-39046
4 Open 4 document View SEC filing for 4 FORM 4 15 Mar 2024 13 Mar 2024 001-39046
144 Open 144 document View SEC filing for 144 13 Mar 2024
4 Open 4 document View SEC filing for 4 FORM 4 12 Mar 2024 08 Mar 2024 001-39046
4 Open 4 document View SEC filing for 4 FORM 4 03 Jan 2024 02 Jan 2024 001-39046
4 Open 4 document View SEC filing for 4 FORM 4 15 Dec 2023 13 Dec 2023 001-39046
144 Open 144 document View SEC filing for 144 13 Dec 2023
4 Open 4 document View SEC filing for 4 FORM 4 06 Oct 2023 04 Oct 2023 001-39046
144 Open 144 document View SEC filing for 144 04 Oct 2023
4 Open 4 document View SEC filing for 4 FORM 4 19 Jul 2023 18 Jul 2023 001-39046
4 Open 4 document View SEC filing for 4 FORM 4 10 Jul 2023 06 Jul 2023 001-39046
144 Open 144 document View SEC filing for 144 06 Jul 2023
4 Open 4 document View SEC filing for 4 FORM 4 11 Apr 2023 05 Apr 2023 001-39046
4 Open 4 document View SEC filing for 4 FORM 4 02 Feb 2023 01 Feb 2023 001-39046
4 Open 4 document View SEC filing for 4 FORM 4 12 Jan 2023 09 Jan 2023 001-39046
4 Open 4 document View SEC filing for 4 FORM 4 05 Jan 2023 04 Jan 2023 001-39046
4 Open 4 document View SEC filing for 4 FORM 4 14 Nov 2022 08 Nov 2022 001-39046
4 Open 4 document View SEC filing for 4 FORM 4 11 Oct 2022 06 Oct 2022 001-39046
4 Open 4 document View SEC filing for 4 FORM 4 08 Aug 2022 15 Jul 2022 001-39046
4 Open 4 document View SEC filing for 4 FORM 4 06 Apr 2022 05 Apr 2022 001-39046
4 Open 4 document View SEC filing for 4 FORM 4 01 Feb 2022 31 Jan 2022 001-39046
4 Open 4 document View SEC filing for 4 FORM 4 20 Dec 2021 16 Dec 2021 001-39046
4 Open 4 document View SEC filing for 4 FORM 4 16 Dec 2021 14 Dec 2021 001-39046
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 20 Sep 2021 16 Sep 2021 001-39046
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 17 Aug 2021 13 Aug 2021 001-39046
3 Open 3 document View SEC filing for 3 OWNERSHIP DOCUMENT 17 May 2021 07 May 2021 001-39046

About this filer

William A. Heyburn files with the SEC under CIK 0001859732. 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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