CAMBRIDGE, Mass., Nov. 24, 2025 (GLOBE NEWSWIRE) -- Seres Therapeutics, Inc. (Nasdaq: MCRB), a leading live biotherapeutics company, today announced that management will participate in a fireside chat at the Piper Sandler 37th Annual Healthcare Conference on December 2, 2025, at 10:30 a.m. ET. A live webcast of the chat will be accessible through the “Events and Presentations” tab on the “Investors and News” section of the... Read More

Following constructive FDA feedback, Seres is finalizing its SER-155 Phase 2 study protocol for the prevention of bloodstream infections in adults undergoing allogeneic hematopoietic stem cell transplant for the treatment of hematological malignancies Efforts are ongoing to obtain capital and other resources to support SER-155 Phase 2 study; pending securing funding, interim clinical results anticipated within 12 months of... Read More

CAMBRIDGE, Mass., Oct. 30, 2025 (GLOBE NEWSWIRE) -- Seres Therapeutics, Inc . (Nasdaq: MCRB), a leading live biotherapeutics company, today announced that management will host a conference call and live audio webcast on November 5, 2025 at 8:30 a.m. ET to discuss third quarter 2025 financial results and provide business updates. To access the conference call, please dial 800-715-9871 (domestic) or 646-307-1963... Read More

Liquid formulation has potential to expand patient access, including those in intensive care, to SER-155 for the prevention of bloodstream and antimicrobial resistant (AMR) infections CAMBRIDGE, Mass., Oct. 29, 2025 (GLOBE NEWSWIRE) -- Seres Therapeutics, Inc . (Nasdaq: MCRB), a leading live biotherapeutics company, today announced that CARB-X (Combating Antibiotic-Resistant Bacteria Biopharmaceutical Accelerator), a global... Read More

CAMBRIDGE, Mass., Oct. 14, 2025 (GLOBE NEWSWIRE) -- Seres Therapeutics, Inc. (Nasdaq: MCRB), (Seres or the Company), a leading live biotherapeutics company, today announced that new post hoc data from its SER-155 Phase 1b trial will be featured in an oral presentation at IDWeek 2025, taking place October 19–22 in Atlanta, Georgia. Presentation Details Abstract ID: 2106936 Title: Clinical and Microbiology Outcomes of... Read More

Following recent constructive FDA feedback, Seres anticipates finalizing SER-155 Phase 2 study protocol for the prevention of bloodstream infections in adults undergoing allogeneic hematopoietic stem cell transplant for the treatment of hematological malignancies Company continues to engage in discussions aimed at obtaining capital and other resources to advance the SER-155 Phase 2 study and is preparing to rapidly... Read More

CAMBRIDGE, Mass., Aug. 27, 2025 (GLOBE NEWSWIRE) -- Seres Therapeutics, Inc. (Nasdaq: MCRB), a leading live biotherapeutics company, today announced that management will attend the upcoming H.C. Wainwright Global Investment Conference in New York City and will present a company overview at 3:00 p.m. ET on September 8, 2025. A webcast replay will be available on the Seres website beginning approximately two hours after the... Read More

Following FDA input, Seres submitted Phase 2 study protocol to FDA for SER-155 for the prevention of bloodstream infections (BSIs) in adults undergoing allogeneic hematopoietic stem cell transplant (allo-HSCT) to treat hematological malignancies Seres engaging with multiple parties regarding various deal structures, including potential business development and partnerships, intended to secure capital and other resources to... Read More

CAMBRIDGE, Mass., July 22, 2025 (GLOBE NEWSWIRE) -- Seres Therapeutics, Inc. (Nasdaq: MCRB), a leading live biotherapeutics company, today announced that management will host a conference call and live audio webcast on August 6, 2025 at 8:30 a.m. ET to discuss second quarter 2025 financial results and provide business updates. To access the conference call, please dial 800-715-9871 (domestic) or 646-307-1963 (international)... Read More

Thomas DesRosier and Marella Thorell, accomplished biopharma executives, appointed co-CEOs; Eric Shaff stepping down as CEO and will remain a Director on the Seres Board Seres engaging with multiple parties regarding various deal structures, including potential business development and partnerships, intended to secure additional capital and other resources to enable the clinical advancement of SER-155 and additional live... Read More

Results highlight potential role of SER-155 in promoting peripheral T-cell recovery and immune reconstitution to support favorable outcomes post allogeneic hematopoietic stem cell transplant (allo-HSCT) CAMBRIDGE, Mass., May 27, 2025 (GLOBE NEWSWIRE) -- Seres Therapeutics, Inc. (Nasdaq: MCRB) (Seres or the Company), a leading live biotherapeutics company, today announced the Company will be presenting new exploratory... Read More

In line with recent FDA feedback, Seres expects to submit a Phase 2 study protocol to FDA in the coming weeks for SER-155 for the prevention of bloodstream infections (BSIs) in adults undergoing allogeneic hematopoietic stem cell transplant (allo-HSCT) for the treatment of hematological malignancies SER-155 Phase 1b placebo-controlled study exploratory translational biomarker data reinforce intended mechanisms of action,... Read More

CAMBRIDGE, Mass., April 29, 2025 (GLOBE NEWSWIRE) -- Seres Therapeutics, Inc. (Nasdaq: MCRB), a leading live biotherapeutics company, today announced that it will present three related posters at the upcoming 2025 Digestive Disease Week (DDW) Conference being held May 3-6, 2025, in San Diego, CA. Seres previously reported exploratory translational biomarker data from its SER-155 Phase 1b study, which provided evidence... Read More

CAMBRIDGE, Mass., April 23, 2025 (GLOBE NEWSWIRE) -- Seres Therapeutics, Inc. (Nasdaq: MCRB), a leading live biotherapeutics company, today announced that management will host a conference call and live audio webcast on May 7, 2025 at 8:30 a.m. ET to discuss first quarter 2025 financial results and provide business updates. To access the conference call, please dial 800-715-9871 (domestic) or 646-307-1963 (international) and... Read More

Recent FDA feedback received on SER-155 allogeneic hematopoietic stem cell transplant (allo-HSCT) next study provides support for the proposed primary efficacy endpoint of reduction in bloodstream infections (BSIs) at day 30 post-HSCT; Company expects to submit draft study protocol to FDA in Q2 2025 SER-155 Phase 1b placebo-controlled study exploratory translational biomarker data reinforce intended mechanisms of action, are... Read More

CAMBRIDGE, Mass., March 04, 2025 (GLOBE NEWSWIRE) -- Seres Therapeutics, Inc. (Nasdaq: MCRB), a leading live biotherapeutics company, today announced that management will host a conference call and live audio webcast on March 13, 2025 at 8:30 a.m. ET to discuss fourth quarter and full year 2024 financial results and provide business updates. To access the conference call, please dial 800-715-9871 (domestic) or 646-307-1963... Read More

FDA has provided input on key elements of the SER-155 allo-HSCT clinical development plans including support for the proposed primary efficacy endpoint of reduction in bloodstream infections (BSIs) as of 30 days post HSCT in the next study Seres has submitted clarification questions to FDA and expects a response in the coming weeks, which will inform the proposed protocol for the next SER-155 study in allo-HSCT, which the... Read More

CAMBRIDGE, Mass., Jan. 16, 2025 (GLOBE NEWSWIRE) -- Seres Therapeutics, Inc. (Nasdaq: MCRB) (Seres or the Company), a leading live biotherapeutics company, announced today the receipt of a $50 million installment payment related to the Company’s previously announced sale of its VOWST business to Société des Produits Nestlé S.A (SPN, and with certain of its affiliates, collectively, Nestlé Health Science). This installment... Read More

New SER-155 Phase 1b study biomarker data in allogeneic hematopoietic stem cell transplantation (allo-HSCT) recipients demonstrate that SER-155 promoted epithelial barrier integrity and decreased systemic inflammatory biomarkers compared to placebo; data support the broader potential of Seres’ live biotherapeutics to target inflammatory and immune diseases SER-155 clinical results accepted for 2025 TANDEM Meeting oral... Read More

CAMBRIDGE, Mass., Dec. 16, 2024 (GLOBE NEWSWIRE) -- Seres Therapeutics, Inc. (Nasdaq: MCRB), a leading live biotherapeutics company, today announced that management will participate in the 43rd Annual J.P. Morgan Healthcare Conference. Eric Shaff, President and Chief Executive Officer, will present a corporate overview on January 16, 2025 at 7:30 a.m. PT. Seres will highlight its plans to advance its biotherapeutics... Read More

Designation based on encouraging Phase 1b clinical data, including that SER-155 resulted in a 77% relative risk reduction in bacterial bloodstream infections versus placebo Breakthrough Therapy meeting with FDA on next study of SER-155 in allo-HSCT expected in Q1 2025 Seres seeking SER-155 strategic partnership to accelerate next study in allo-HSCT and expand to multiple target populations CAMBRIDGE, Mass., Dec. 09, 2024... Read More

CAMBRIDGE, Mass., Nov. 22, 2024 (GLOBE NEWSWIRE) -- Seres Therapeutics, Inc. (Nasdaq: MCRB), a leading live biotherapeutics company, today announced that Eric Shaff, President and Chief Executive Officer, will participate in a fireside chat at the Piper Sandler 36 th Annual Healthcare Conference on December 3, 2024, at 4:30 p.m. ET. A live webcast of the chat will be accessible through the “Events and Presentations” tab on... Read More

SER-155 Phase 1b placebo-controlled clinical results demonstrated significant reduction in both bacterial bloodstream infections and systemic antibiotic exposure, as well as lower incidence of febrile neutropenia, as compared to placebo, through day 100 post allo-HSCT Financial position strengthened following completion of VOWST™ sale; based on existing cash, projected 2025 deal economics and current operating plans, Seres... Read More

CAMBRIDGE, Mass., Nov. 06, 2024 (GLOBE NEWSWIRE) -- Seres Therapeutics, Inc. (Nasdaq: MCRB), a leading live biotherapeutics company, today announced that management will host a conference call and live audio webcast on November 13, 2024 at 8:30 a.m. ET to discuss third quarter 2024 financial results and provide business updates. To access the conference call, please dial 800-715-9871 (domestic) or 646-307-1963... Read More

Transaction supports further development of SER-155, following recent promising clinical data, and other cultivated live biotherapeutics, for multiple medically vulnerable patient populations at high risk of life-threatening bacterial infections Cash received at completion, along with anticipated future deal payments, extends runway into Q4 2025 CAMBRIDGE, Mass., Sept. 30, 2024 (GLOBE NEWSWIRE) -- Seres Therapeutics, Inc.... Read More

CAMBRIDGE, Mass., Sept. 26, 2024 (GLOBE NEWSWIRE) -- Seres Therapeutics, Inc. (Nasdaq: MCRB), (“Seres” or the “Company”), a leading live biotherapeutics company, today announced that its stockholders voted to approve the previously announced proposed sale of the Company’s VOWST business to Société des Produits Nestlé S.A. Seres will file a Current Report on Form 8-K with the SEC which details the voting results. The... Read More

CAMBRIDGE, Mass., Sept. 13, 2024 (GLOBE NEWSWIRE) -- Seres Therapeutics, Inc. (Nasdaq: MCRB), a leading live biotherapeutics company, today announced that the Company, will participate in the Cantor Global Healthcare Conference and Eric Shaff, President and Chief Executive Officer, will represent Seres in a presentation on September 18, 2024 at 3:05 p.m. ET. A video webcast of the presentation will be available under the... Read More

SER-155 administration was associated with a significant reduction in both bacterial bloodstream infections (BSIs) and systemic antibiotic exposure, as well as lower incidence of febrile neutropenia, as compared to placebo through day 100 post HSCT Demonstrated generally well tolerated safety profile and confirmed drug bacteria strain engraftment; no treatment-related serious adverse events Company to seek Breakthrough... Read More

SER-155 Phase 1b placebo-controlled Cohort 2 clinical readout on track for September VOWST asset sale to provide $175M cash infusion, less approximately $20M in settlement of net obligations between the Parties, at close Transaction proceeds to fully retire debt and support advancement of wholly-owned cultivated live biotherapeutic pipeline to improve patient outcomes in medically vulnerable populations Based on existing... Read More

CAMBRIDGE, Mass., Aug. 06, 2024 (GLOBE NEWSWIRE) -- Seres Therapeutics, Inc. (Nasdaq: MCRB), a leading live biotherapeutics company, today announced that management will host a conference call and live audio webcast on August 13, 2024 at 8:30 a.m. ET to discuss second quarter 2024 financial results and provide business updates. To access the conference call, please dial 800-715-9871 (domestic) or 646-307-1963 (international)... Read More

Upon closing, Seres to receive $175M cash infusion, including an upfront payment, prepayment of a future commercial milestone payment, and an equity investment in Seres common stock, less approximately $20M in settlement of net obligations between the Parties; anticipated deal closing in the next 90 days Additional approximately $75M in cash payments are due to Seres in 2025, contingent upon Seres’ compliance with transition... Read More

CAMBRIDGE, Mass, June 07, 2024 (GLOBE NEWSWIRE) -- Seres Therapeutics, Inc. (Nasdaq: MCRB) (“Seres” or the “Company”), a leading microbiome therapeutics company, today announced that on June 5, 2024, the Compensation and Talent Committee of Seres’ board of directors granted inducement equity grants covering an aggregate of 6,188 shares of its common stock to one new employee, consisting of stock options to purchase 4,125... Read More

Transaction ensures Nestlé Health Science will continue to commercialize the product BRIDGEWATER, N.J. , June 6, 2024 /PRNewswire/ -- Seres Therapeutics, Inc. (Nasdaq: MCRB), announced today that it has agreed to a non-binding memorandum of understanding with Nestlé Health Science in which Nestlé Health Science will acquire certain tangible and intangible assets associated with VOWST (fecal microbiota spores, live-brpk)... Read More

Seres anticipates capital infusions, including an upfront payment, enabling the Company to fully retire its debt and extend its cash runway into Q4 2025, pending deal closure and subject to performance under a transition services agreement Future Company focus on advancement of SER-155 and other cultivated oral microbiome therapeutics for medically vulnerable patient populations with potential to address large commercial... Read More

Continued market adoption of VOWST® with approximately 1,411 patient enrollment forms received, approximately 1,083 new patient starts, and net sales of $10.1 million during Q1 2024, and accelerated net sales in March and April SER-155 Phase 1b placebo-controlled Cohort 2 clinical readout expected end of Q3 2024 Further microbiome therapeutic candidates have potential to expand product franchise into additional medically... Read More

CAMBRIDGE, Mass. / May 06, 2024 / Business Wire / Seres Therapeutics, Inc. (Nasdaq: MCRB) (“Seres” or the “Company”), a leading microbiome therapeutics company, today announced that on May 1, 2024, the Compensation and Talent Committee of Seres’ board of directors granted inducement equity grants covering an aggregate of 9,367 shares of its common stock to two new employees, consisting of stock options to purchase 6,244... Read More

CAMBRIDGE, Mass. / May 06, 2024 / Business Wire / Seres Therapeutics, Inc. (Nasdaq: MCRB), a leading microbiome therapeutics company, today announced that management will host a conference call and live audio webcast on May 8, 2024 at 8:30 a.m. ET to discuss first quarter 2024 financial results and provide business updates. To access the conference call, please dial 800-715-9871 (domestic) or 646-307-1963 (international) and... Read More

Clinical data readout expected end of Q3 2024 SER-155 and other Seres microbiome therapeutic candidates have potential to expand microbiome therapeutic franchise into additional medically vulnerable patient populations CAMBRIDGE, Mass. / Apr 09, 2024 / Business Wire / Seres Therapeutics, Inc. (Nasdaq: MCRB), a leading microbiome therapeutics company, announced today that enrollment is complete in the placebo-controlled... Read More

CAMBRIDGE, Mass. / Mar 28, 2024 / Business Wire / Seres Therapeutics, Inc. (Nasdaq: MCRB) (“Seres” or the “Company”), a leading microbiome therapeutics company, today announced that on March 25, 2024, the Compensation and Talent Committee of Seres’ board of directors granted inducement equity grants covering an aggregate of 700,000 shares of its common stock to Marella Thorell, the Company’s new Executive Vice President and... Read More

CAMBRIDGE, Mass. / Mar 19, 2024 / Business Wire / Seres Therapeutics, Inc. (Nasdaq: MCRB) (“Seres” or the “Company”), a leading microbiome therapeutics company, today announced that on March 13, 2024, the Compensation and Talent Committee of Seres’ board of directors granted inducement equity grants covering an aggregate of 6,188 shares of its common stock to one new employee, consisting of stock options to purchase 4,125... Read More

VOWST net sales of $10.4 million for the fourth quarter of 2023 and $19.6 million since launch in June through year-end 2023 Significant adoption of VOWST since launch in June 2023 through year-end 2023 with 2,833 patient enrollment forms received and 2,015 new patient starts SER-155 Phase 1b placebo-controlled Cohort 2 clinical data anticipated in third quarter of 2024 Conference call at 8:30 a.m. ET today CAMBRIDGE, Mass.... Read More

CAMBRIDGE, Mass. / Feb 28, 2024 / Business Wire / Seres Therapeutics, Inc. (Nasdaq: MCRB), a leading microbiome therapeutics company, today announced that management will host a conference call and live audio webcast on March 5, 2024 at 8:30 a.m. ET to discuss fourth quarter and full year 2023 results and provide a general business update. To access the conference call, please dial 800-715-9871 (domestic) or 646-307-1963... Read More

CAMBRIDGE, Mass. / Feb 27, 2024 / Business Wire / Seres Therapeutics, Inc. (Nasdaq: MCRB), a leading microbiome therapeutics company, announced today that Eric Shaff, President and Chief Executive Officer of Seres Therapeutics, will participate in a panel discussion at the Cowen 44th Annual Health Care Conference on Wednesday, March 6, 2024 at 9:10 a.m. ET. An audio webcast of the panel discussion will be available under the... Read More

CAMBRIDGE, Mass. / Feb 26, 2024 / Business Wire / Seres Therapeutics, Inc . (Nasdaq: MCRB), a leading microbiome therapeutics company, announced today that Marella Thorell will join as Executive Vice President and Chief Financial Officer (CFO), as of March 25th, following David Arkowitz’s retirement. Mr. Arkowitz has served as CFO since June 2021 and will be available to assist in the transition. Ms. Thorell is a seasoned... Read More

CAMBRIDGE, Mass. / Jan 17, 2024 / Business Wire / Seres Therapeutics, Inc. (Nasdaq: MCRB) (“Seres” or the “Company”), a leading microbiome therapeutics company, today announced that on January 10, 2024, the Compensation and Talent Committee of Seres’ board of directors granted inducement equity grants covering an aggregate of 67,500 shares of its common stock to one new employee, consisting of stock options to purchase... Read More

VOWST preliminary net sales of approximately $10.4 million (unaudited) for the fourth quarter of 2023 Significant adoption of VOWST since commercial launch in June 2023 through year-end 2023 with 2,833 patient enrollment forms received and 2,015 new patient starts SER-155 Phase 1b placebo-controlled Cohort 2 data readout anticipated in third quarter of 2024 Seres to Present at 42 nd Annual J.P. Morgan Healthcare Conference... Read More

CAMBRIDGE, Mass. / Jan 04, 2024 / Business Wire / Seres Therapeutics, Inc. (Nasdaq: MCRB), a leading microbiome therapeutics company, today announced that Seres management will present at the 42nd Annual J.P. Morgan Healthcare Conference in San Francisco, CA on Wednesday, January 10, 2024, at 12:45 p.m. ET / 9:45 am PT. An audio webcast of the presentation will be available under the “Investors and News” section of Seres’... Read More

CAMBRIDGE, Mass. / Dec 07, 2023 / Business Wire / Seres Therapeutics, Inc. (Nasdaq: MCRB), a leading microbiome therapeutics company, announced today that preliminary clinical data from a currently enrolling Phase 1b study of SER-155 study in adult patients undergoing allogeneic hematopoietic cell transplantation (allo-HCT) will be presented at the 65th American Society of Hematology (ASH) Annual Meeting held from December... Read More

CAMBRIDGE, Mass. / Nov 28, 2023 / Business Wire / Seres Therapeutics, Inc. ( Nasdaq: MCRB), a leading microbiome therapeutics company, today announced that Seres management will participate at the Piper Sandler 35th Annual Healthcare Conference on Wednesday, November 29, 2023, at 3:30 p.m. ET. An audio webcast of the presentation will be available under the “Investors and News” section of Seres’ website. A replay of the... Read More

Rapid growth of VOWST continues with more than 1,500 patient enrollment forms received since FDA approval Announces strategic restructuring to focus resources and investment on continued VOWST growth, completion of SER-155 Phase 1b study, and supporting longer-term business sustainability Reduction of current workforce by 41%; total anticipated 2024 annual cash savings of $75-$85 million and cash runway expected into the... Read More

CAMBRIDGE, Mass. / Oct 30, 2023 / Business Wire / Seres Therapeutics, Inc. (Nasdaq: MCRB), a leading microbiome therapeutics company, today announced that it will release third quarter 2023 financial results on Thursday, November 2, 2023. Management will host a conference call with investors to discuss the results and corporate updates at 8:00 a.m. ET. The conference call may be accessed by calling 1-866-777-2509... Read More

CAMBRIDGE, Mass. / Oct 12, 2023 / Business Wire / Seres Therapeutics, Inc. (Nasdaq: MCRB) today announced multiple abstracts to be presented at IDWeek 2023 in Boston, Massachusetts (October 11-15, 2023), including two posters of post-hoc analyses from the ECOSPOR III and ECOSPOR IV Phase 3 trials, which supported the recent approval by the US Food and Drug Administration (FDA) of VOWST as the first orally-administered... Read More

CAMBRIDGE, Mass. / Oct 06, 2023 / Business Wire / Seres Therapeutics, Inc. (Nasdaq: MCRB) (“Seres” or the “Company”), a leading microbiome therapeutics company, today announced that on October 4, 2023, the Compensation and Talent Committee of Seres’ board of directors granted inducement equity grants covering an aggregate of 3,000 shares of its common stock to two new employees, consisting of stock options to purchase an... Read More

CAMBRIDGE, Mass. / Sep 08, 2023 / Business Wire / Seres Therapeutics, Inc. (Nasdaq: MCRB) (“Seres” or the “Company”), a leading microbiome therapeutics company, today announced that on September 6, 2023, the Compensation and Talent Committee of Seres’ board of directors granted inducement equity grants covering an aggregate of 91,000 shares of its common stock to two new employees, consisting of stock options to purchase an... Read More

CAMBRIDGE, Mass. / Sep 07, 2023 / Business Wire / Seres Therapeutics, Inc. (Nasdaq: MCRB), a leading microbiome therapeutics company, today announced that Seres management will participate at the Morgan Stanley 21st Annual Global Healthcare Conference on Monday, September 11, 2023, at 12:15 p.m. ET. An audio webcast of the presentation will be available under the “Investors and News” section of Seres’ website. A replay of... Read More

VOWST TM is the first orally administered microbiome therapeutic FDA-approved for prevention of recurrence of C. difficile infection in adults following antibacterial treatment for recurrent CDI (rCDI) VOWST early commercial uptake encouraging with strong initial demand observed across healthcare provider specialties and rCDI patient profiles, including first recurrence – SER-155 Phase 1b Cohort 1 clinical data showed... Read More

CAMBRIDGE, Mass. / Aug 04, 2023 / Business Wire / Seres Therapeutics, Inc. (Nasdaq: MCRB) (“Seres” or the “Company”), a leading microbiome therapeutics company, today announced that on July 31, 2023, the Compensation and Talent Committee of Seres’ board of directors granted inducement equity grants covering an aggregate of 1950 shares of its common stock to one new employee, consisting of stock options to purchase 975 shares... Read More

CAMBRIDGE, Mass. / Aug 01, 2023 / Business Wire / Seres Therapeutics, Inc. (Nasdaq: MCRB), a leading microbiome therapeutics company, today announced that Seres management will present at the Canaccord Genuity 43rd Annual Growth Conference on Wednesday, August 9, 2023, at 3:00 p.m. ET. An audio webcast of the presentation will be available under the “Investors and News” section of Seres’ website. A replay of the presentation... Read More

CAMBRIDGE, Mass. / Aug 01, 2023 / Business Wire / Seres Therapeutics, Inc. (Nasdaq: MCRB), a leading microbiome therapeutics company, today announced that management will host a conference call and live audio webcast on August 8, 2023 at 8:30 a.m. ET to discuss second quarter results and provide a general business update. To access the conference call, please dial 800-715-9871 (domestic) or 646-307-1963 (international) and... Read More

CAMBRIDGE, Mass. / Jul 14, 2023 / Business Wire / Seres Therapeutics, Inc. (Nasdaq: MCRB) (“Seres” or the “Company”), a leading microbiome therapeutics company, today announced that on July 13, 2023, the Compensation and Talent Committee of Seres’ board of directors granted inducement equity grants covering an aggregate of 66,066 shares of its common stock to seven new employees, consisting of stock options to purchase an... Read More

CAMBRIDGE, Mass. / Jun 21, 2023 / Business Wire / Seres Therapeutics, Inc. (Nasdaq: MCRB), a leading microbiome therapeutics company, has been named to the “TIME100 Most Influential Companies,” a list of 100 companies making an extraordinary impact around the world. Seres was included within the ‘ Pioneers’ category. To develop the list, TIME solicited company nominations from multiple sectors from its editors and... Read More

Post-hoc analysis results with VOWST highlight the importance of gut microbiome diversity as a critical component of a treatment regimen to reduce the risk of recurrent C. difficile infection in rCDI patients, regardless of the number of prior recurrences CAMBRIDGE, Mass. & HOBOKEN, N.J. / Jun 17, 2023 / Business Wire / Seres Therapeutics, Inc. (Nasdaq: MCRB) and Nestlé Health Science today announced the presentation of a... Read More

CAMBRIDGE, Mass. / Jun 09, 2023 / Business Wire / Seres Therapeutics, Inc. (Nasdaq: MCRB) (“Seres” or the “Company”), a leading microbiome therapeutics company, today announced that on June 7, 2023, the Compensation and Talent Committee of Seres’ board of directors granted inducement equity grants covering an aggregate of 19,400 shares of its common stock to six new employees, consisting of stock options to purchase an... Read More

CAMBRIDGE, Mass. / Jun 09, 2023 / Business Wire / Seres Therapeutics, Inc. (Nasdaq: MCRB), a leading microbiome therapeutics company, today announced that Seres Therapeutics management, will participate in a question and answer format discussion at the Goldman Sachs Global Healthcare Conference on Monday, June 12, 2023 at 4:40 p.m. PT. An audio webcast of the presentation will be available under the “Investors and News”... Read More

VOWST is now available by prescription in the U.S. for adult patients following antibiotic treatment for recurrent CDI VOWST Voyage™ Support Program to help reduce out-of-pocket patient costs for eligible patients and facilitate treatment start CAMBRIDGE, Mass. & HOBOKEN, N.J. / Jun 05, 2023 / Business Wire / Seres Therapeutics, Inc. (Nasdaq: MCRB) and Nestlé Health Science today announced that VOWST™ (fecal microbiota... Read More

CAMBRIDGE, Mass. / Jun 02, 2023 / Business Wire / Seres Therapeutics, Inc. (Nasdaq: MCRB), a leading microbiome therapeutics company, today announced that Eric Shaff, President and Chief Executive Officer of Seres Therapeutics, will provide a corporate presentation at the Jefferies Healthcare Conference on Wednesday, June 7, 2023 at 8:00 a.m. ET in New York City. An audio webcast of the presentation will be available under... Read More

CAMBRIDGE, Mass. / May 30, 2023 / Business Wire / Seres Therapeutics, Inc. (Nasdaq: MCRB), a leading microbiome therapeutics company, today announced that the Company has received a $125 million milestone payment from Nestlé Health Science related to the U.S. Food and Drug Administration approval of VOWST™ (fecal microbiota spores, live-brpk), an orally administered microbiota-based therapeutic to prevent recurrence of C.... Read More

CAMBRIDGE, Mass. / May 10, 2023 / Business Wire / Seres Therapeutics, Inc. (Nasdaq: MCRB) (“Seres” or the “Company”), a leading microbiome therapeutics company, today announced that on May 3, 2023, the Compensation and Talent Committee of Seres’ board of directors granted inducement equity grants covering an aggregate of 19,000 shares of its common stock to four new employees, consisting of stock options to purchase an... Read More

VOWST™ microbiota-based therapeutic approved for prevention of recurrence of C. difficile infection in adults following antibacterial treatment for recurrent CDI; product availability expected in June New SER-155 Phase 1b Cohort 1 clinical data show favorable tolerability, successful drug bacteria engraftment and a significant reduction in pathogen domination in the gastrointestinal microbiome; Cohort 2 data readout... Read More

Tolerability profile observed supports continued development in Cohort 2, with no treatment attributed serious adverse events Reduction in incidences of microbiome pathogen domination provides support for intended SER-155 clinical activity SER-155 Phase 1b placebo-controlled Cohort 2 data readout anticipated in mid-2024 Conference call at 8:30 a.m. ET today CAMBRIDGE, Mass. / May 09, 2023 / Business Wire / Seres... Read More

Data from Phase 3 open-label single-arm study of VOWST found nearly 95% of individuals with a clinical response at 8 weeks remained free of CDI through Week 24, regardless of number of prior C. difficile infections (CDI) Results from ECOSPOR IV add to data from ECOSPOR III Phase 3 study and together supported the recent VOWST FDA approval CAMBRIDGE, Mass. & HOBOKEN, N.J. / May 08, 2023 / Business Wire / Seres Therapeutics,... Read More

Company to report initial SER-155 Phase 1b safety and pharmacology results from study Cohort 1 CAMBRIDGE, Mass. / May 05, 2023 / Business Wire / Seres Therapeutics, Inc. (Nasdaq: MCRB), a leading microbiome therapeutics company, today announced that management will host a conference call and live audio webcast on May 9, 2023 at 8:30 a.m. ET to discuss first quarter results and provide a general business update, including... Read More

Company to receive proceeds of $110 million upon closing of the agreement Financing to support commercial launch of VOWST™ and fund pipeline development CAMBRIDGE, Mass. / Apr 27, 2023 / Business Wire / Seres Therapeutics, Inc. (Nasdaq: MCRB), a leading microbiome therapeutics company, today announced that it has entered into a new $250 million senior secured debt facility (“Term Loan Facility”) provided by funds managed by... Read More

First and only FDA-approved orally administered microbiota-based therapeutic, validating Seres’ microbiome platform Phase 3 ECOSPOR III study demonstrated that 88% of treated individuals were recurrence-free at 8 weeks Opportunity to address prevention of recurrence of C. difficile infection in adults with rCDI, including... Read More

CAMBRIDGE, Mass. / Apr 07, 2023 / Business Wire / Seres Therapeutics, Inc. (Nasdaq: MCRB) (“Seres” or the “Company”), a leading microbiome therapeutics company, today announced that on April 5, 2023, the Compensation and Talent Committee of Seres’ board of directors granted inducement equity grants covering an aggregate of 22,000 shares of its common stock to three new employees, consisting of stock options to purchase an... Read More

CAMBRIDGE, Mass. / Mar 09, 2023 / Business Wire / Seres Therapeutics, Inc. (Nasdaq: MCRB), a leading microbiome therapeutics company, today announced that Eric Shaff, President and Chief Executive Officer of Seres Therapeutics, will provide a corporate presentation at the Oppenheimer 33rd Annual Healthcare Conference on Wednesday, March 15, 2023 at 8:40 a.m. ET. An audio webcast of the presentation will be available under... Read More

CAMBRIDGE, Mass. / Mar 07, 2023 / Business Wire / Seres Therapeutics, Inc. (Nasdaq: MCRB), a leading microbiome therapeutics company, today reported fourth quarter and full year 2022 financial results and provided business updates. “We are eagerly looking forward to the upcoming potential FDA approval of SER-109, an investigational first-in-class oral microbiome therapeutic for recurrent C. difficile infection (rCDI).... Read More

CAMBRIDGE, Mass. / Mar 03, 2023 / Business Wire / Seres Therapeutics, Inc. (Nasdaq: MCRB) (“Seres” or the “Company”), a leading microbiome therapeutics company, today announced that on March 1, 2023, the Compensation and Talent Committee of Seres’ board of directors granted inducement equity grants covering an aggregate of 15,500 shares of its common stock to three new employees, consisting of stock options to purchase an... Read More

CAMBRIDGE, Mass. / Feb 28, 2023 / Business Wire / Seres Therapeutics, Inc. (Nasdaq: MCRB), a leading microbiome therapeutics company, today announced that management will host a conference call and live audio webcast on March 7, 2023 at 8:30 a.m. ET to discuss fourth quarter and full year 2022 results and provide a general business update. To access the conference call, please dial 800-715-9871 (domestic) or 646-307-1963... Read More

CAMBRIDGE, Mass. / Feb 27, 2023 / Business Wire / Seres Therapeutics, Inc. (Nasdaq: MCRB), a leading microbiome therapeutics company, today announced that Eric Shaff, President and Chief Executive Officer of Seres Therapeutics, will participate in a panel discussion at the Cowen 43rd Annual Health Care Conference on Monday, March 6, 2023 at 9:10 a.m. ET. An audio webcast of the panel discussion will be available under the... Read More

CAMBRIDGE, Mass. / Feb 14, 2023 / Business Wire / Seres Therapeutics, Inc. (Nasdaq: MCRB), a leading microbiome therapeutics company, today announced the publication of data from its Phase 3 ECOSPOR IV trial (ClinicalTrials.gov Identifier: NCT03183128 ) in JAMA Network Open that reinforce previously published results from the Phase 3 ECOSPOR III study on the investigational microbiome therapeutic SER-109 for the prevention... Read More

CAMBRIDGE, Mass. / Feb 08, 2023 / Business Wire / Seres Therapeutics, Inc . (Nasdaq: MCRB), a leading microbiome therapeutics company, today announced that enrollment in Cohort 2 in its SER-155 Phase 1b study is underway. SER-155, an investigational oral microbiome therapeutic, is designed to reduce the incidence of gastrointestinal (GI) infections, bloodstream infections, and graft versus host disease (GvHD) in individuals... Read More

CAMBRIDGE, Mass. / Feb 03, 2023 / Business Wire / Seres Therapeutics, Inc. (Nasdaq: MCRB) (“Seres” or the “Company”), a leading microbiome therapeutics company, today announced that on February 1, 2023, the Compensation and Talent Committee of Seres’ board of directors granted inducement equity grants covering an aggregate of 48,750 shares of its common stock to eleven new employees, consisting of stock options to purchase... Read More

Seres Therapeutics, Inc. (Nasdaq: MCRB) (“Seres” or the “Company”), a leading microbiome therapeutics company, today announced that on January 11, 2023, the Compensation and Talent Committee of Seres’ board of directors granted inducement equity grants covering an aggregate of 13,500 shares of its common stock to five new employees, consisting of stock options to purchase an aggregate of 9,000 shares of common stock and... Read More

Renowned investigator in microbial genomics to join Seres to advance Company’s efforts to develop novel microbiome therapeutics Following successful Data Safety Monitoring Board meeting in December for SER-155 Cohort 1, enrollment of Cohort 2 planned to begin in early 2023 Seres Therapeutics, Inc. (Nasdaq: MCRB) today announced the appointment of Claire M. Fraser, Ph.D., to its Board of Directors. Dr. Fraser will begin... Read More

Seres Therapeutics, Inc . (Nasdaq: MCRB), a leading microbiome therapeutics company, today announced that Seres management will present at the 41st Annual J.P. Morgan Healthcare Conference on Thursday, January 12, 2023, at 8:15 a.m. PST / 11:15 a.m. EST. An audio webcast of the presentation will be available under the “Investors and News” section of Seres’ website. A replay of the presentation will become available... Read More