Entity Type
Individual
- Info
- Insider Ownership
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Michael Singer SEC EDGAR Filings
SEC filings, ownership reports, and insider transactions for CIK 0002000122.
Total Filings
12
Latest Filing
13 Mar 2026
Industry
n/a
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- Business address
- C/O Cartesian Therapeutics, Inc., 704 Quince Orchard Rd, Gaithersburg, MD, 20878
- Top holdings (ownership)
- RNAC
Quick Takeaways
- Michael Singer is an SEC filer tracked under CIK 0002000122.
- 12 filings are listed on this profile.
- Common form coverage includes 4, SC 13D/A, SC 13D and more.
What Changed
- Latest filing: 4 filed on 13 Mar 2026.
- Report period: 13 Mar 2026.
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
Michael Singer has filed 12 SEC EDGAR filings since 15 Nov 2023. Common forms include 4, SC 13D/A, SC 13D, 3.
Latest Filings
Recent SEC filings for Michael Singer 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 | FORM 4 | 13 Mar 2026 | 13 Mar 2026 | 001-37798 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 06 Jan 2026 | 02 Jan 2026 | 001-37798 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 19 Nov 2025 | 18 Nov 2025 | 001-37798 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 06 Jan 2025 | 02 Jan 2025 | 001-37798 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 30 Dec 2024 | 26 Dec 2024 | 001-37798 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 21 Nov 2024 | 19 Nov 2024 | 001-37798 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 10 Apr 2024 | 08 Apr 2024 | 001-37798 |
| SC 13D/A | Open SC 13D/A document | View SEC filing for SC 13D/A | SC 13D/A | 10 Apr 2024 | ||
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 04 Jan 2024 | 22 Dec 2023 | 001-37798 |
| SC 13D | Open SC 13D document | View SEC filing for SC 13D | SC 13D | 22 Nov 2023 | ||
| 4 | Open 4 document | View SEC filing for 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 15 Nov 2023 | 13 Nov 2023 | 001-37798 |
| 3 | Open 3 document | View SEC filing for 3 | INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES | 15 Nov 2023 | 13 Nov 2023 | 001-37798 |
About this filer
Michael Singer files with the SEC under CIK 0002000122. 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.