Company · CIK 1609809 # Seres Therapeutics, Inc. | CIK | [1609809](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001609809) (SEC EDGAR) | | --- | --- | | Industry (SIC) | 2834 — Pharmaceutical Preparations | | Incorporated in | DE | | Business address | MA | | Listed | MCRB (Nasdaq) | | First annual or quarterly report | 2015-08-10 | ## Offerings 7 registrations | Registration | Label and status | First filed | Last event | Filings | | --- | --- | --- | --- | --- | | 333-298309 | Shelf Effective | 2026-08-13 | 2026-08-21 | 2 | | 333-273794 | Shelf Effective | 2023-08-08 | 2026-08-04 | 3 | | 333-282450 | Shelf Effective | 2024-10-01 | 2024-10-11 | 2 | | 333-244401 | Shelf Effective | 2020-08-11 | 2022-06-30 | 6 | | 333-237033 | Shelf Effective | 2020-03-09 | 2020-08-14 | 4 | | 333-216735 | Shelf Effective | 2017-03-16 | 2019-11-27 | 5 | | 333-204484 | IPO Final prospectus | 2015-05-27 | 2015-06-26 | 5 | ## Filings 28 | Filed | Filing | Registration | Accession | | --- | --- | --- | --- | | 2026-08-21 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1609809/999999999526002733/9999999995-26-002733-index.htm) Declared effective | 333-298309 | 9999999995-26-002733 | | 2026-08-13 | [S-3](https://www.sec.gov/Archives/edgar/data/1609809/000119312526349330/0001193125-26-349330-index.htm) Shelf registered | 333-298309 | 0001193125-26-349330 | | 2026-08-04 | [424B5](https://www.sec.gov/Archives/edgar/data/1609809/000119312526332730/0001193125-26-332730-index.htm) Shelf takedown | 333-273794 | 0001193125-26-332730 | | 2024-10-11 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1609809/999999999524003174/9999999995-24-003174-index.htm) Declared effective | 333-282450 | 9999999995-24-003174 | | 2024-10-01 | [S-3](https://www.sec.gov/Archives/edgar/data/1609809/000119312524230253/0001193125-24-230253-index.htm) Shelf registered | 333-282450 | 0001193125-24-230253 | | 2023-08-15 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1609809/999999999523002400/9999999995-23-002400-index.htm) Declared effective | 333-273794 | 9999999995-23-002400 | | 2023-08-08 | [S-3](https://www.sec.gov/Archives/edgar/data/1609809/000119312523206199/0001193125-23-206199-index.htm) Shelf registered | 333-273794 | 0001193125-23-206199 | | 2022-06-30 | [424B5](https://www.sec.gov/Archives/edgar/data/1609809/000119312522185602/0001193125-22-185602-index.htm) Shelf takedown | 333-244401 | 0001193125-22-185602 | | 2022-05-06 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1609809/999999999522001340/9999999995-22-001340-index.htm) Declared effective | 333-244401 | 9999999995-22-001340 | | 2021-05-21 | [424B5](https://www.sec.gov/Archives/edgar/data/1609809/000119312521169353/0001193125-21-169353-index.htm) Shelf takedown | 333-244401 | 0001193125-21-169353 | | 2020-08-14 | [424B5](https://www.sec.gov/Archives/edgar/data/1609809/000119312520220574/0001193125-20-220574-index.htm) Shelf takedown | 333-237033 | 0001193125-20-220574 | | 2020-08-14 | [424B5](https://www.sec.gov/Archives/edgar/data/1609809/000119312520220573/0001193125-20-220573-index.htm) Shelf takedown | 333-244401 | 0001193125-20-220573 | | 2020-08-11 | [424B5](https://www.sec.gov/Archives/edgar/data/1609809/000119312520216509/0001193125-20-216509-index.htm) Shelf takedown | 333-244401 | 0001193125-20-216509 | | 2020-08-11 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/1609809/000119312520216465/0001193125-20-216465-index.htm) Shelf registered | 333-244401 | 0001193125-20-216465 | | 2020-03-18 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1609809/999999999520000587/9999999995-20-000587-index.htm) Declared effective | 333-237033 | 9999999995-20-000587 | | 2020-03-18 | [424B5](https://www.sec.gov/Archives/edgar/data/1609809/000119312520077200/0001193125-20-077200-index.htm) Shelf takedown | 333-237033 | 0001193125-20-077200 | | 2020-03-09 | [S-3](https://www.sec.gov/Archives/edgar/data/1609809/000119312520067187/0001193125-20-067187-index.htm) Shelf registered | 333-237033 | 0001193125-20-067187 | | 2019-11-27 | [424B5](https://www.sec.gov/Archives/edgar/data/1609809/000119312519301823/0001193125-19-301823-index.htm) Shelf takedown | 333-216735 | 0001193125-19-301823 | | 2019-06-14 | [424B5](https://www.sec.gov/Archives/edgar/data/1609809/000119312519173661/0001193125-19-173661-index.htm) Shelf takedown | 333-216735 | 0001193125-19-173661 | | 2019-06-12 | [424B5](https://www.sec.gov/Archives/edgar/data/1609809/000119312519171388/0001193125-19-171388-index.htm) Shelf takedown | 333-216735 | 0001193125-19-171388 | | 2017-03-24 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1609809/999999999517000670/9999999995-17-000670-index.htm) Declared effective | 333-216735 | 9999999995-17-000670 | | 2017-03-16 | [S-3](https://www.sec.gov/Archives/edgar/data/1609809/000119312517085007/0001193125-17-085007-index.htm) Shelf registered | 333-216735 | 0001193125-17-085007 | | 2015-06-26 | [424B4](https://www.sec.gov/Archives/edgar/data/1609809/000119312515236625/0001193125-15-236625-index.htm) Final prospectus | 333-204484 | 0001193125-15-236625 | | 2015-06-25 | [EFFECT](https://www.sec.gov/Archives/edgar/data/1609809/999999999515001744/9999999995-15-001744-index.htm) Declared effective | 333-204484 | 9999999995-15-001744 | | 2015-06-24 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1609809/000119312515233542/0001193125-15-233542-index.htm) Amendment | 333-204484 | 0001193125-15-233542 | | 2015-06-16 | [S-1/A](https://www.sec.gov/Archives/edgar/data/1609809/000119312515224101/0001193125-15-224101-index.htm) Amendment | 333-204484 | 0001193125-15-224101 | | 2015-05-27 | [S-1](https://www.sec.gov/Archives/edgar/data/1609809/000119312515202059/0001193125-15-202059-index.htm) Registration filed | 333-204484 | 0001193125-15-202059 | | 2014-12-11 | [DRS](https://www.sec.gov/Archives/edgar/data/1609809/000095012314012678/0000950123-14-012678-index.htm) Draft made public | 377-00874 | 0000950123-14-012678 | [All filings of this company](https://equitycapital.markets/filings?cik=1609809) · [CSV](https://equitycapital.markets/filings.csv?cik=1609809) --- Source page: https://equitycapital.markets/company/1609809 · Data: U.S. SEC EDGAR · CC BY 4.0