Seres Therapeutics, Inc. SEC filings MCRB
Seres Therapeutics, Inc. has 724 filings in SEC EDGAR's recent list, going back to Jun 9, 2014. Its latest annual report, Form 10-K, was filed on Mar 12, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 4, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 4, 2026 (results of operations, regulation fd disclosure). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| EFFECT | Filing | Aug 21, 2026 | — |
| EFFECT | Filing | Oct 11, 2024 | — |
| CORRESP | Letter to the SEC | Oct 9, 2024 | — |
| UPLOAD | Letter from the SEC | Oct 8, 2024 | — |
| EFFECT | Filing | Aug 15, 2023 | — |
| CORRESP | Letter to the SEC | Aug 11, 2023 | — |
| UPLOAD | Letter from the SEC | Aug 11, 2023 | — |
| EFFECT | Filing | May 6, 2022 | — |
| POSASR | Filing | Mar 1, 2022 | — |
| EFFECT | Filing | Mar 18, 2020 | — |
| CORRESP | Letter to the SEC | Mar 16, 2020 | — |
| UPLOAD | Letter from the SEC | Mar 13, 2020 | — |
| CT ORDER | Filing | Apr 15, 2019 | — |
| EFFECT | Filing | Mar 24, 2017 | — |
| CORRESP | Letter to the SEC | Mar 22, 2017 | — |
| UPLOAD | Letter from the SEC | Mar 21, 2017 | — |
| CT ORDER | Filing | Jul 7, 2016 | — |
| EFFECT | Filing | Jun 25, 2015 | — |
| CERTNAS | Auto-generated paper document | Jun 23, 2015 | — |
| CORRESP | Letter to the SEC | Jun 23, 2015 | — |
| CORRESP | Letter to the SEC | Jun 23, 2015 | — |
| CORRESP | Letter to the SEC | Jun 22, 2015 | — |
| 8-A12B | Form 8-a12b | Jun 22, 2015 | — |
| UPLOAD | Letter from the SEC | Jun 15, 2015 | — |
| CORRESP | Letter to the SEC | Jun 9, 2015 | — |
| UPLOAD | Letter from the SEC | Jun 8, 2015 | — |
| CORRESP | Letter to the SEC | Jun 5, 2015 | — |
| UPLOAD | Letter from the SEC | May 26, 2015 | — |
| DRS/A | Filing | May 14, 2015 | — |
| UPLOAD | Letter from the SEC | Apr 21, 2015 | — |
| DRS/A | Filing | Apr 8, 2015 | — |
| UPLOAD | Letter from the SEC | Feb 9, 2015 | — |
| DRS/A | Filing | Jan 27, 2015 | — |
| UPLOAD | Letter from the SEC | Jan 9, 2015 | — |
| D | Filing | Jan 5, 2015 | — |
| DRS | Filing | Dec 11, 2014 | — |
| D | Filing | Dec 2, 2014 | — |
| D | Filing | Jun 9, 2014 | — |
Showing 38 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.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
Company profile
- Industry
- Pharmaceutical Preparations (SIC 2834)
- Listed as
- MCRB (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Cambridge, MA
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1609809
- Former names
- Seres Therapeutics, Inc. (until Nov 4, 2026); Seres Health, Inc. (until May 14, 2015)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.