Susan ALTSCHULLER SEC EDGAR Filings (CIK 0001817988)

SEC EDGAR filings, ownership reports, and insider transactions for Susan ALTSCHULLER.

Business address
45 Tennyson St., Somerville, MA, 02145
Top holdings (ownership)
IMGN and MURA
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Susan ALTSCHULLER has filed 19 SEC EDGAR filings since 22 Jul 2020

Latest Filings

Recent SEC filings for Susan ALTSCHULLER including 4, 3, 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 4 08 Jan 2026 06 Jan 2026 001-40708
4 Open 4 document View SEC filing for 4 4 01 Oct 2025 01 Oct 2025 001-40708
3 Open 3 document View SEC filing for 3 3 01 Oct 2025 01 Oct 2025 001-40708
4 Open 4 document View SEC filing for 4 4 15 Aug 2024 14 Aug 2024 001-41837
4 Open 4 document View SEC filing for 4 4 05 Aug 2024 01 Aug 2024 001-39311
4/A Open 4/A document View SEC filing for 4/A 4/A 05 Jun 2024 30 May 2024 001-41837
4 Open 4 document View SEC filing for 4 4 03 Jun 2024 30 May 2024 001-41837
4 Open 4 document View SEC filing for 4 4 23 Jan 2024 19 Jan 2024 001-39311
4 Open 4 document View SEC filing for 4 4 21 Dec 2023 19 Dec 2023 001-39311
4 Open 4 document View SEC filing for 4 4 18 Dec 2023 14 Dec 2023 001-41837
3 Open 3 document View SEC filing for 3 3 07 Nov 2023 31 Oct 2023 001-41837
4 Open 4 document View SEC filing for 4 4 05 Jun 2023 01 Jun 2023 001-39311
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 19 May 2023 15 May 2023 001-39311
144 Open 144 document View SEC filing for 144 05 May 2023
4 Open 4 document View SEC filing for 4 27 Dec 2022 20 May 2022 000-17999
4 Open 4 document View SEC filing for 4 FORM 4 - 08 Feb 2022 04 Feb 2022 000-17999
4 Open 4 document View SEC filing for 4 FORM 4 - 09 Feb 2021 05 Feb 2021 000-17999
4 Open 4 document View SEC filing for 4 FORM 4 - 22 Jul 2020 20 Jul 2020 000-17999
3 Open 3 document View SEC filing for 3 FORM 3 - 22 Jul 2020 20 Jul 2020 000-17999

About this filer

Susan ALTSCHULLER files with the SEC under CIK 0001817988. 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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