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 |
|---|---|---|---|
| EFFECT | Filing | Sep 16, 2026 | — |
| DEL AM | Filing | Sep 11, 2026 | — |
| SC TO-I/A | Filing | Nov 20, 2025 | — |
| SC TO-I/A | Filing | Nov 19, 2025 | — |
| SC TO-I | Filing | Oct 20, 2025 | — |
| SC TO-C | Filing | Oct 15, 2025 | — |
| 8-A12B | Filing | Apr 10, 2025 | — |
| POS EX | Filing | Nov 13, 2020 | — |
| EFFECT | Filing | Nov 12, 2020 | — |
| CORRESP | Letter to the SEC | Nov 10, 2020 | — |
| CORRESP | Letter to the SEC | Nov 10, 2020 | — |
| UPLOAD | Letter from the SEC | Nov 9, 2020 | — |
| DRS | Filing | Nov 3, 2020 | — |
| EFFECT | Filing | Apr 7, 2020 | — |
| CERT | 8a cert | Apr 6, 2020 | — |
| 8-A12B | Filing | Apr 3, 2020 | — |
| CORRESP | Letter to the SEC | Apr 3, 2020 | — |
| CORRESP | Letter to the SEC | Apr 3, 2020 | — |
| CORRESP | Letter to the SEC | Mar 30, 2020 | — |
| CORRESP | Letter to the SEC | Mar 16, 2020 | — |
| D | Filing | Mar 12, 2020 | — |
| UPLOAD | Letter from the SEC | Mar 9, 2020 | — |
| DRS/A | Filing | Feb 27, 2020 | — |
| DRSLTR | Filing | Feb 26, 2020 | — |
| UPLOAD | Letter from the SEC | Feb 13, 2020 | — |
| DRS | Filing | Jan 21, 2020 | — |
| D | Filing | Nov 21, 2018 | — |
| D/A | Filing | Nov 13, 2017 | — |
| D/A | Filing | Aug 18, 2016 | — |
| D | Filing | Apr 29, 2016 | — |
Showing 30 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.