Entity Type
Individual
- Info
- Insider Ownership
Filer Snapshot
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Backstrom Jay T. SEC EDGAR Filings
SEC filings, ownership reports, and insider transactions for CIK 0001796398.
Total Filings
21
Latest Filing
17 Nov 2025
Industry
n/a
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- Business address
- Scholar Rock Holding Corporation, 301 Binney Street, 3 Rd Floor, Cambridge, MA, 02142
- Top holdings (ownership)
- SRRK
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.
Official SEC Source
Filer Overview
Backstrom Jay T. has filed 21 SEC EDGAR filings since 17 Dec 2019. Common forms include 4, 3, 4/A.
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.