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Seres Therapeutics to present SER-428 preclinical data at IDWeek

Thu, 15 Oct 2026 07:02:09 -0400

Seres Therapeutics, Inc. (Nasdaq: MCRB) announced it will present preclinical data for SER-428, an investigational oral liquid live biotherapeutic product, at IDWeek 2026, taking place October 21–24 in Washington, D.C. The poster presentation is scheduled for October 22 from 12:15 to 1:30 p.m. EST.

SER-428 is designed to reduce the risk of bloodstream infections in critically ill patients following sepsis and antibiotic exposure. The liquid formulation is intended for patients who cannot take oral capsules, including those receiving nutrition via feeding tube.

In preclinical in vivo pathogen colonization models, oral administration of SER-428 produced up to a 1,000-fold reduction of Enterococcus faecium

Seres Therapeutics to Present Preclinical Data for SER-428, an Investigational Live Biotherapeutic Designed to Reduce Risk of Bloodstream Infections in Critically Ill Patients, at IDWeek 2026

Thu, 15 Oct 2026 07:00:00 -0400

Novel oral liquid formulation of SER-428 is designed for patients who cannot take oral capsules, including critically ill patients receiving nutrition via feeding tube

SER-428 significantly reduced gastrointestinal abundance of clinically relevant pathogens in preclinical in vivo colonization models

CAMBRIDGE, Mass., Oct. 15, 2026 (GLOBE NEWSWIRE) -- Seres Therapeutics, Inc. (Nasdaq: MCRB), a leading live biotherapeutics company, today announced that preclinical data supporting the development of SER-428, an investigational oral liquid live biotherapeutic product (LBP) designed to reduce the risk of bloodstream infections (BSIs) in medically vulnerable patients following sepsis and antibiotic exposure, will be

Seres Therapeutics to Present Preclinical Data for SER-428, an Investigational Live Biotherapeutic Designed to Reduce Risk of Bloodstream Infections in Critically Ill Patients, at IDWeek 2026

Thu, 15 Oct 2026 07:00:00 -0400

Novel oral liquid formulation of SER-428 is designed for patients who cannot take oral capsules, including critically ill patients receiving nutrition via feeding tube

SER-428 significantly reduced gastrointestinal abundance of clinically relevant pathogens in preclinical in vivo colonization models

Form EFFECT Seres Therapeutics, Inc.

Mon, 24 Aug 2026 06:03:00 -0400

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Form EFFECT Seres Therapeutics, Inc.

Mon, 24 Aug 2026 06:03:00 -0400

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Form 4 Seres Therapeutics, Inc. For: Aug 15 Filed by: Brady Kelly

Tue, 18 Aug 2026 17:33:00 -0400

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Form 4 Seres Therapeutics, Inc. For: Aug 15 Filed by: Brady Kelly

Tue, 18 Aug 2026 17:33:00 -0400

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Form 4 Seres Therapeutics, Inc. For: Aug 15 Filed by: Shaff Eric D.

Tue, 18 Aug 2026 17:28:00 -0400

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Form 4 Seres Therapeutics, Inc. For: Aug 15 Filed by: Shaff Eric D.

Tue, 18 Aug 2026 17:28:00 -0400

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Form 4 Seres Therapeutics, Inc. For: Aug 15 Filed by: Henn Matthew R

Tue, 18 Aug 2026 17:26:00 -0400

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Form 4 Seres Therapeutics, Inc. For: Aug 15 Filed by: Henn Matthew R

Tue, 18 Aug 2026 17:26:00 -0400

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Form 4 Seres Therapeutics, Inc. For: Aug 15 Filed by: DesRosier Thomas

Tue, 18 Aug 2026 17:23:00 -0400

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Form 4 Seres Therapeutics, Inc. For: Aug 15 Filed by: DesRosier Thomas

Tue, 18 Aug 2026 17:23:00 -0400

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Seres Therapeutics (MCRB) files $300M mixed shelf

Thu, 13 Aug 2026 16:36:52 -0400

Seres Therapeutics (NASDAQ: MCRB) filed $300,000,000 mixed shelf of:

Common Stock

Preferred Stock

Debt Securities

Warrants

Units

Seres Therapeutics (MCRB) files $300M mixed shelf

Thu, 13 Aug 2026 16:36:52 -0400

Seres Therapeutics (NASDAQ: MCRB) filed $300,000,000 mixed shelf of:

Common Stock

Preferred Stock

Debt Securities

Warrants

Units

Form S-3 Seres Therapeutics, Inc.

Thu, 13 Aug 2026 16:33:00 -0400

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Form S-3 Seres Therapeutics, Inc.

Thu, 13 Aug 2026 16:33:00 -0400

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Form 10-Q Seres Therapeutics, Inc. For: Jun 30

Wed, 05 Aug 2026 10:31:00 -0400

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Form 10-Q Seres Therapeutics, Inc. For: Jun 30

Wed, 05 Aug 2026 10:31:00 -0400

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Seres Therapeutics (MCRB) Tops Q2 EPS by 277c

Wed, 05 Aug 2026 07:09:05 -0400

Seres Therapeutics (NASDAQ: MCRB) reported Q2 EPS of $0.47, $2.77 better than the analyst estimate of ($2.30). Revenue for the quarter came in at $736 thousand versus the consensus estimate of $358 thousand.

For earnings history and earnings-related data on Seres Therapeutics (MCRB) click here.

Form 8-K Seres Therapeutics, Inc. For: Aug 05

Wed, 05 Aug 2026 07:05:00 -0400

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Form 8-K Seres Therapeutics, Inc. For: Aug 05

Wed, 05 Aug 2026 07:05:00 -0400

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Seres Therapeutics Reports Second Quarter 2026 Financial Results and Provides Business Updates, Including Further Action to Reduce Ongoing Facilities Costs

Wed, 05 Aug 2026 07:00:00 -0400

Recently announced 80% of SER-155 recipients achieved immunosuppressive-free clinical response at day 15 for immune checkpoint inhibitor-related enterocolitis (irEC) in the investigator-sponsored trial (IST) conducted by Memorial Sloan Kettering Cancer Center (MSK)

IST data support SER-155 as a potential treatment for irEC that may allow patients to continue cancer therapy; Company evaluating irEC clinical development strategy in consultation with KOLs

Seres engaging potential partners, seeking capital to advance its SER-155 programs, including for the prevention of bloodstream infections in patients undergoing allo-HCT and those experiencing irEC

Seres announces agreement to exit

Seres Therapeutics Reports Second Quarter 2026 Financial Results and Provides Business Updates, Including Further Action to Reduce Ongoing Facilities Costs

Wed, 05 Aug 2026 07:00:00 -0400

Recently announced 80% of SER-155 recipients achieved immunosuppressive-free clinical response at day 15 for immune checkpoint inhibitor-related enterocolitis (irEC) in the investigator-sponsored trial (IST) conducted by Memorial Sloan Kettering Cancer Center (MSK)

IST data support SER-155 as a potential treatment for irEC that may allow patients to continue cancer therapy; Company evaluating irEC clinical development strategy in consultation with KOLs

Seres engaging potential partners, seeking capital to advance its SER-155 programs, including for the prevention of bloodstream infections in patients undergoing allo-HCT and those experiencing irEC

Seres announces agreement to exit

Seres Therapeutics Reports Second Quarter 2026 Financial Results and Provides Business Updates, Including Further Action to Reduce Ongoing Facilities Costs

Wed, 05 Aug 2026 07:00:00 -0400

Recently announced 80% of SER-155 recipients achieved immunosuppressive-free clinical response at day 15 for immune checkpoint inhibitor-related enterocolitis (irEC) in the investigator-sponsored trial (IST) conducted by Memorial Sloan Kettering Cancer Center (MSK)

IST data support SER-155 as a potential treatment for irEC that may allow patients to continue cancer therapy; Company evaluating irEC clinical development strategy in consultation with KOLs

Seres engaging potential partners, seeking capital to advance its SER-155 programs, including for the prevention of bloodstream infections in patients undergoing allo-HCT and those experiencing irEC

Seres announces agreement to exit