Entity Type
Individual
- Info
- Insider Ownership
Filer Snapshot
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Open reporting owner context
Susan K. Langer SEC EDGAR Filings
SEC filings, ownership reports, and insider transactions for CIK 0001982640.
Total Filings
4
Latest Filing
18 Jun 2025
Industry
n/a
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- Business address
- Biogen Inc., 225 Binney Street, Cambridge, MA, 02142
- Top holdings (ownership)
- BIIB
Quick Takeaways
- Susan K. Langer is an SEC filer tracked under CIK 0001982640.
- 4 filings are listed on this profile.
- Common form coverage includes 4, 3.
What Changed
- Latest filing: 4 filed on 18 Jun 2025.
- Report period: 17 Jun 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
Susan K. Langer has filed 4 SEC EDGAR filings since 28 Jun 2023. Common forms include 4, 3.
Latest Filings
Recent SEC filings for Susan K. Langer 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 | PRIMARY DOCUMENT | 18 Jun 2025 | 17 Jun 2025 | 000-19311 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 25 Jun 2024 | 21 Jun 2024 | 000-19311 |
| 4 | Open 4 document | View SEC filing for 4 | PRIMARY DOCUMENT | 28 Jun 2023 | 26 Jun 2023 | 000-19311 |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 28 Jun 2023 | 26 Jun 2023 | 000-19311 |
About this filer
Susan K. Langer files with the SEC under CIK 0001982640. 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.