Seres Therapeutics, Inc.

Seres Therapeutics, Inc.

MCRBยทNASDAQ

$7.17

-5.3%
HealthcareBiotechnology

Seres Therapeutics, Inc., a microbiome therapeutics platform company, engages in developing bacterial consortia that are designed to functionally interact with host cells and tissues to treat disease. The company's lead product candidate is the SER-109, an oral microbiome therapeutic candidate that has completed Phase III clinical trial for the treatment of clostridium difficile infection (CDI). It is also developing SER-155, a cultivated bacteria microbiome drug, which is Phase Ib clinical trial to reduce incidences of gastrointestinal infections, bloodstream infections, and graft versus host diseases in immunocompromised patients receiving allogeneic hematopoietic stem cell transplantation and solid organ transplants. In addition, the company engages in the development of SER-287 and SER-301 that are in Phase Ib to treat ulcerative colitis; SER-401 for patients with metastatic melanoma; and SER-262 to treat Clostridioides difficile infection. It has license and collaboration agreements with Nestec Ltd. and Memorial Sloan Kettering Cancer Center. The company was formerly known as Seres Health, Inc. and changed its name to Seres Therapeutics, Inc. in May 2015. Seres Therapeutics, Inc. was incorporated in 2010 and is headquartered in Cambridge, Massachusetts.

At a Glance

Live Snapshot
Market Cap$69.43M
EPS0.6400
P/E Ratio11.20
Earnings Date08/05/2026

SEC Filings

MCRB - Filing history and reports

Filing TypeFiling DatePeriod EndingFiscal YearActions
8-K

8-K 2026

N/A

June 01, 2026
May 30, 2026
2026
10-Q

10-Q 2026 Q1

Q1

May 05, 2026
March 31, 2026
2026
8-K

8-K 2026

N/A

May 05, 2026
May 05, 2026
2026
DEF 14A

DEF 14A 2026

N/A

April 27, 2026
June 09, 2026
2026
8-K

8-K 2026

N/A

March 16, 2026
March 16, 2026
2026
10-K

10-K 2025 FY

FY

March 12, 2026
December 31, 2025
2025
8-K

8-K 2026

N/A

March 12, 2026
March 12, 2026
2026
8-K

8-K 2026

N/A

March 02, 2026
February 27, 2026
2026
8-K

8-K 2025

N/A

November 05, 2025
November 05, 2025
2025
10-Q

10-Q 2025 Q3

Q3

November 05, 2025
September 30, 2025
2025
Showing 1 to 10 of 177 filings

Understanding SEC Filings

Essential regulatory documents for investors

SEC filings are mandatory documents that publicly traded companies must submit to the Securities and Exchange Commission. These reports provide critical insights into a company's financial health, operations, risks, and strategic direction. For investors conducting due diligence, these filings are the most authoritative source of company information.

10-K

Annual Report

Comprehensive annual financial report filed within 60-90 days of fiscal year-end. Includes audited financial statements, management discussion & analysis (MD&A), risk factors, and detailed business operations. The most thorough financial disclosure of the year.

Filed annually
10-Q

Quarterly Report

Unaudited quarterly financial report filed within 40-45 days after each of the first three fiscal quarters. Provides updates on financial position, results of operations, and significant events. Essential for tracking quarterly performance trends.

Filed 3 times per year
8-K

Current Report

Event-driven filing for material events that shareholders should know about, filed within 4 business days. Includes acquisitions, executive changes, bankruptcy, earnings releases, and other significant developments. Critical for staying informed about breaking news.

Filed as events occur
DEF 14A

Proxy Statement

Definitive proxy statement sent to shareholders before annual meetings. Contains executive compensation details, board member information, voting matters, and corporate governance policies. Key for understanding management incentives and board composition.

Filed before shareholder meetings
S-1

Registration Statement

Initial registration for securities offerings, including IPOs. Provides detailed company history, business model, financial statements, risk factors, and use of proceeds. Essential for evaluating new investment opportunities and understanding company fundamentals.

Filed for new offerings
20-F

Foreign Annual Report

Annual report for foreign private issuers, equivalent to Form 10-K for non-U.S. companies. Filed within 4-6 months of fiscal year-end. Contains audited financials, business description, and regulatory disclosures adapted for international companies.

Foreign companies only

Why SEC Filings Matter

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