Filer Snapshot

Backstrom Jay T. SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001796398.

Entity Type

Individual

Total Filings

21

Latest Filing

17 Nov 2025

Industry

n/a

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Go to latest filings table Open reporting owner context
Source: SEC Forms 3/4/5

4 filed on 17 Nov 2025 for CIK 0001796398.

View Source Filing
Business address
Scholar Rock Holding Corporation, 301 Binney Street, 3 Rd Floor, Cambridge, MA, 02142
Top holdings (ownership)
SRRK

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Quick Takeaways

  • Backstrom Jay T. is an SEC filer tracked under CIK 0001796398.
  • 21 filings are listed on this profile.
  • Common form coverage includes 4, 3, 4/A.

What Changed

  • Latest filing: 4 filed on 17 Nov 2025.
  • Report period: 13 Nov 2025.

Why This Matters

  • You can quote filing dates and form types directly from the SEC record on this page.
  • Use this profile before deeper ownership or insider analysis to confirm filing history context.

Source Evidence

Source: SEC Forms 3/4/5

4 filed on 17 Nov 2025 for CIK 0001796398.

View Source Filing

Filer Overview

Backstrom Jay T. has filed 21 SEC EDGAR filings since 17 Dec 2019. Common forms include 4, 3, 4/A.

Reporting owner transactions Latest 13F filings

Latest Filings

Recent SEC filings for Backstrom Jay T. with direct links to document and filing folders.

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open 4 document View SEC filing for 4 17 Nov 2025 13 Nov 2025 001-40241
4 Open 4 document View SEC filing for 4 FORM 4 10 Jul 2025 08 Jul 2025 001-36014
3 Open 3 document View SEC filing for 3 FORM 3 10 Jul 2025 08 Jul 2025 001-36014
4 Open 4 document View SEC filing for 4 12 Mar 2025 10 Mar 2025 001-38501
4 Open 4 document View SEC filing for 4 20 Feb 2025 18 Feb 2025 001-38501
4 Open 4 document View SEC filing for 4 18 Feb 2025 13 Feb 2025 001-40241
4 Open 4 document View SEC filing for 4 21 Jan 2025 16 Jan 2025 001-38501
3 Open 3 document View SEC filing for 3 02 Jan 2025 01 Jan 2025 001-40241
4 Open 4 document View SEC filing for 4 20 Feb 2024 16 Feb 2024 001-38501
4 Open 4 document View SEC filing for 4 13 Feb 2024 12 Feb 2024 001-38501
4 Open 4 document View SEC filing for 4 15 Feb 2023 13 Feb 2023 001-38501
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Jan 2023 29 Dec 2022 001-39438
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 03 Jan 2023 29 Dec 2022 001-39438
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 22 Sep 2022 20 Sep 2022 001-38501
3 Open 3 document View SEC filing for 3 OWNERSHIP DOCUMENT 22 Sep 2022 20 Sep 2022 001-38501
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 22 Nov 2021 19 Nov 2021 001-36065
4 Open 4 document View SEC filing for 4 FORM 4 - 02 Feb 2021 29 Jan 2021 001-36065
4 Open 4 document View SEC filing for 4 FORM 4 - 06 Jan 2021 04 Jan 2021 001-36065
4/A Open 4/A document View SEC filing for 4/A FORM 4/A - 10 Feb 2020 02 Jan 2020 001-36065
4 Open 4 document View SEC filing for 4 FORM 4 - 03 Jan 2020 02 Jan 2020 001-36065
3 Open 3 document View SEC filing for 3 FORM 3 - 17 Dec 2019 10 Dec 2019 001-36065

About this filer

Backstrom Jay T. files with the SEC under CIK 0001796398. This page aggregates EDGAR filings and related ownership activity.

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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