Seres Therapeutics, Inc. (MCRB)
NASDAQ: MCRB · Real-Time Price · USD
7.09
-0.23 (-3.14%)
Apr 28, 2026, 4:00 PM EDT - Market closed

Company Description

Seres Therapeutics, Inc., a clinical-stage company, focuses on developing biotherapeutics for serious diseases.

The company develops SER-155, an investigational oral live biotherapeutic to decolonize GI pathogens, enhance GI epithelial barrier integrity, and regulate immune response to prevent bacterial bloodstream infections, as well as other pathogen-associated negative clinical outcomes in patients undergoing allogeneic hematopoietic stem cell transplantation.

It also develops SER-603, a LBP candidate optimized to treat disruptions in the GI microbiome and to improve GI mucosal barrier integrity through the inhibition of inflammatory bacteria and associated metabolites; and SER-147, a live biotherapeutic composition to prevent bacterial bloodstream and spontaneous bacterial peritonitis infections in patients with metabolic disease, including chronic liver disease.

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.

Seres Therapeutics, Inc.
Seres Therapeutics logo
Country United States
Founded 2010
IPO Date Jun 26, 2015
Industry Biotechnology
Sector Healthcare
Employees 66
CEO Richard Kender

Contact Details

Address:
101 Cambridgepark Drive
Cambridge, Massachusetts 02140
United States
Phone 617 945 9626
Website serestherapeutics.com

Stock Details

Ticker Symbol MCRB
Exchange NASDAQ
Fiscal Year January - December
Reporting Currency USD
CIK Code 0001609809
CUSIP Number 81750R201
ISIN Number US81750R2013
Employer ID 27-4326290
SIC Code 2834

Key Executives

Name Position
Richard N. Kender B.S., M.B.A. Interim Chief Executive Officer and Executive Chair
Thomas J. DesRosier Esq., J.D. Executive Vice President and Chief Legal Officer
Dr. Matthew R. Henn Ph.D. President and Chief Scientific Officer
Marella Thorell CPA Executive Vice President and Chief Financial Officer
Kelly Brady M.S. Executive Vice President and Chief Operating Officer
Chris McChalicher Executive Vice President and Chief Technology Officer
Dr. Dennis M. Walling M.D. Senior Vice President of Clinical Development and Head of Clinical Research
Ann Kurowski Senior Vice President of Regulatory Affairs

Latest SEC Filings

Date Type Title
Apr 27, 2026 DEFA14A Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Apr 27, 2026 DEF 14A Other definitive proxy statements
Mar 17, 2026 144 Filing
Mar 16, 2026 8-K Current Report
Mar 12, 2026 10-K Annual Report
Mar 12, 2026 8-K Current Report
Mar 2, 2026 8-K Current Report
Nov 5, 2025 10-Q Quarterly Report
Nov 5, 2025 8-K Current Report
Oct 3, 2025 8-K Current Report