# Seres Therapeutics, Inc.: filings

MCRB · Nasdaq · CIK 1609809 · [Healthcare](/sectors/healthcare.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/mcrb.md) · [Financials](/companies/mcrb/financials.md) · [Filings](/companies/mcrb/filings.md) · [Insiders](/companies/mcrb/insiders.md)

## Reports and events: 186 filings

Newest first, by EDGAR acceptance time (Eastern). Filter with ?form= one of: `periodic`, `8-K`, `10-K`, `10-Q`, `4`, `proxy`, `13dg`, `all`, or any form this company filed (4 337, 8-K 120, 3 36, 10-Q 34, SC 13G/A 33, DEFA14A 19, S-8 13, SC 13G 13, 10-K 11, DEF 14A 11, 424B5 10, UPLOAD 10, CORRESP 9, EFFECT 7, S-3 5, SC 13D/A 5, D 3, DRS/A 3, FWP 3, PRE 14A 3, SCHEDULE 13G/A 3, 144 2, 4/A 2, CT ORDER 2, POS AM 2, S-1/A 2, SC 13D 2, 3/A 1, 424B3 1, 424B4 1, 8-A12B 1, CERTNAS 1, DEFM14A 1, DRS 1, POSASR 1, PREM14A 1, S-1 1, S-1MEF 1, S-3ASR 1, S-8 POS 1).

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-08-05 | 10:30 ET | [10-Q](/filings/0001193125-26-334174.md) | Quarterly report, period 2026-06-30 | 0001193125-26-334174 |
| 2026-08-05 | 07:05 ET | [8-K](/filings/0001193125-26-333820.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-333820 |
| 2026-08-04 | 16:03 ET | [8-K](/filings/0001193125-26-332742.md) | 1.01 Entry into a material agreement; 1.02 Termination of a material agreement; 9.01 Financial statements and exhibits | 0001193125-26-332742 |
| 2026-07-08 | 16:05 ET | [8-K](/filings/0001193125-26-298525.md) | 5.02 Departure or appointment of officers or directors; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001193125-26-298525 |
| 2026-07-08 | 08:00 ET | [8-K](/filings/0001193125-26-298005.md) | 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-26-298005 |
| 2026-06-05 | 07:05 ET | [8-K](/filings/0001193125-26-258366.md) | 1.01 Entry into a material agreement; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-258366 |
| 2026-06-01 | 16:30 ET | [8-K](/filings/0001193125-26-251548.md) | 5.02 Departure or appointment of officers or directors | 0001193125-26-251548 |
| 2026-05-05 | 10:30 ET | [10-Q](/filings/0001193125-26-205434.md) | Quarterly report, period 2026-03-31 | 0001193125-26-205434 |
| 2026-05-05 | 07:05 ET | [8-K](/filings/0001193125-26-205009.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-205009 |
| 2026-04-27 | 16:05 ET | [DEF 14A](/filings/0001193125-26-182036.md) | Proxy statement, period 2026-06-09 | 0001193125-26-182036 |
| 2026-03-16 | 16:42 ET | [8-K](/filings/0001193125-26-108482.md) | 8.01 Other events | 0001193125-26-108482 |
| 2026-03-12 | 10:00 ET | [10-K](/filings/0001193125-26-103276.md) | Annual report, period 2025-12-31 | 0001193125-26-103276 |
| 2026-03-12 | 07:05 ET | [8-K](/filings/0001193125-26-103034.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-103034 |
| 2026-03-02 | 16:05 ET | [8-K](/filings/0001193125-26-085368.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001193125-26-085368 |
| 2025-11-05 | 10:00 ET | [10-Q](/filings/0001193125-25-266011.md) | Quarterly report, period 2025-09-30 | 0001193125-25-266011 |
| 2025-11-05 | 07:05 ET | [8-K](/filings/0001193125-25-265708.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-265708 |
| 2025-10-03 | 16:06 ET | [8-K](/filings/0001193125-25-230118.md) | 8.01 Other events | 0001193125-25-230118 |
| 2025-08-06 | 10:00 ET | [10-Q](/filings/0000950170-25-103611.md) | Quarterly report, period 2025-06-30 | 0000950170-25-103611 |
| 2025-08-06 | 07:05 ET | [8-K](/filings/0001193125-25-173985.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-173985 |
| 2025-07-22 | 16:10 ET | [8-K](/filings/0001193125-25-162552.md) | 5.02 Departure or appointment of officers or directors | 0001193125-25-162552 |
| 2025-05-07 | 10:00 ET | [10-Q](/filings/0000950170-25-065173.md) | Quarterly report, period 2025-03-31 | 0000950170-25-065173 |
| 2025-05-07 | 07:05 ET | [8-K](/filings/0001193125-25-114430.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-114430 |
| 2025-04-22 | 16:05 ET | [8-K](/filings/0001193125-25-089189.md) | 5.03 Amendment to articles or bylaws; 9.01 Financial statements and exhibits | 0001193125-25-089189 |
| 2025-04-14 | 16:13 ET | [8-K](/filings/0001193125-25-080185.md) | 5.02 Departure or appointment of officers or directors; 5.07 Shareholder vote results; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-25-080185 |
| 2025-03-13 | 11:43 ET | [DEF 14A](/filings/0000950170-25-038441.md) | Proxy statement, period 2025-03-13 | 0000950170-25-038441 |
| 2025-03-13 | 11:24 ET | [10-K](/filings/0000950170-25-038427.md) | Annual report, period 2024-12-31 | 0000950170-25-038427 |
| 2025-03-13 | 07:07 ET | [8-K](/filings/0001193125-25-053473.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-053473 |
| 2025-02-27 | 16:15 ET | [8-K](/filings/0001193125-25-039256.md) | 5.02 Departure or appointment of officers or directors | 0001193125-25-039256 |
| 2025-02-06 | 08:00 ET | [8-K](/filings/0001193125-25-021345.md) | 5.02 Departure or appointment of officers or directors | 0001193125-25-021345 |
| 2025-01-13 | 08:06 ET | [8-K](/filings/0001193125-25-005011.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-005011 |
| 2025-01-10 | 07:00 ET | [8-K](/filings/0001193125-25-004062.md) | 2.02 Results of operations; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-25-004062 |
| 2024-11-13 | 10:30 ET | [10-Q](/filings/0000950170-24-126018.md) | Quarterly report, period 2024-09-30 | 0000950170-24-126018 |
| 2024-11-13 | 08:05 ET | [8-K](/filings/0001193125-24-256654.md) | 2.02 Results of operations; 3.01 Delisting notice; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-24-256654 |
| 2024-10-02 | 08:15 ET | [SC 13D/A](/filings/0001193125-24-230718.md) | Ownership report, active investor, amended | 0001193125-24-230718 |
| 2024-10-01 | 16:05 ET | [8-K](/filings/0001193125-24-230144.md) | 1.01 Entry into a material agreement; 1.02 Termination of a material agreement; 2.01 Completion of an acquisition or disposition; 3.02 Unregistered sale of equity; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-24-230144 |
| 2024-09-26 | 16:13 ET | [8-K](/filings/0001193125-24-226929.md) | 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001193125-24-226929 |
| 2024-09-12 | 07:05 ET | [8-K](/filings/0001193125-24-217627.md) | 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-24-217627 |
| 2024-08-15 | 06:05 ET | [8-K](/filings/0001140361-24-037388.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001140361-24-037388 |
| 2024-08-13 | 10:38 ET | [10-Q](/filings/0000950170-24-095821.md) | Quarterly report, period 2024-06-30 | 0000950170-24-095821 |
| 2024-08-13 | 07:05 ET | [8-K](/filings/0001193125-24-199382.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-24-199382 |
| 2024-08-06 | 17:27 ET | [8-K](/filings/0001140361-24-035951.md) | 1.01 Entry into a material agreement; 1.02 Termination of a material agreement; 3.02 Unregistered sale of equity; 9.01 Financial statements and exhibits | 0001140361-24-035951 |
| 2024-08-06 | 07:39 ET | [8-K](/filings/0001140361-24-035799.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001140361-24-035799 |
| 2024-05-08 | 10:00 ET | [10-Q](/filings/0000950170-24-055159.md) | Quarterly report, period 2024-03-31 | 0000950170-24-055159 |
| 2024-05-08 | 07:05 ET | [8-K](/filings/0001193125-24-133766.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-24-133766 |
| 2024-05-07 | 17:18 ET | [8-K](/filings/0001193125-24-133298.md) | 2.04 Item not in the standard list | 0001193125-24-133298 |
| 2024-04-23 | 07:00 ET | [8-K](/filings/0001193125-24-105862.md) | 3.01 Delisting notice | 0001193125-24-105862 |
| 2024-04-08 | 16:30 ET | [8-K](/filings/0001193125-24-089654.md) | 5.03 Amendment to articles or bylaws; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001193125-24-089654 |
| 2024-03-05 | 10:18 ET | [DEF 14A](/filings/0000950170-24-025482.md) | Proxy statement, period 2024-03-05 | 0000950170-24-025482 |
| 2024-03-05 | 10:01 ET | [10-K](/filings/0000950170-24-025464.md) | Annual report, period 2023-12-31 | 0000950170-24-025464 |
| 2024-03-05 | 07:05 ET | [8-K](/filings/0001193125-24-058584.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-24-058584 |

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Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 26, 2026, 16:31 ET. No prices; not investment advice.