Keros Therapeutics, Inc. SEC filings KROS
Keros Therapeutics, Inc. has 536 filings in SEC EDGAR's recent list, going back to Apr 29, 2016. Its latest annual report, Form ARS, was filed on Apr 22, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 5, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 5, 2026 (regulation fd disclosure). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| S-3 | Shelf registration | Sep 10, 2026 | — |
| S-8 | Employee stock plan registration | Mar 4, 2026 | — |
| S-8 | Employee stock plan registration | Feb 26, 2025 | — |
| 424B5 | Prospectus supplement | Jun 17, 2024 | — |
| S-3ASR | Automatic shelf registration | May 3, 2024 | — |
| S-8 | Employee stock plan registration | Feb 29, 2024 | — |
| 424B5 | Prospectus supplement | Jan 4, 2024 | — |
| 424B5 | Prospectus supplement | Jan 3, 2024 | — |
| S-8 | Employee stock plan registration | Mar 3, 2023 | — |
| 424B5 | Prospectus supplement | Dec 12, 2022 | — |
| S-8 | Employee stock plan registration | Mar 9, 2022 | — |
| S-3ASR | Automatic shelf registration | May 3, 2021 | — |
| S-8 | Employee stock plan registration | Jan 15, 2021 | — |
| 424B4 | Prospectus | Nov 13, 2020 | — |
| S-1MEF | Filing | Nov 12, 2020 | — |
| S-1 | Registration statement | Nov 10, 2020 | — |
| S-8 | Employee stock plan registration | Apr 17, 2020 | — |
| 424B4 | Prospectus | Apr 8, 2020 | — |
| S-1MEF | Filing | Apr 7, 2020 | — |
| S-1/A | Amended registration statement | Apr 7, 2020 | — |
| S-1/A | Amended registration statement | Apr 1, 2020 | — |
| S-1 | Registration statement | Mar 16, 2020 | — |
Showing 22 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Pharmaceutical Preparations (SIC 2834)
- Listed as
- KROS (Nasdaq)
- Fiscal year ends
- December 31
- Headquarters
- Lexington, MA
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1664710
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.