UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-37465 Seres Therapeutics, Inc. (Exact name of registrant as specified in its charter) Delaware 27-4326290 (State or other juris ...

Exhibit 99.1 SERES THERAPEUTICS REPORTS FIRST QUARTER 2024 FINANCIAL RESULTS AND PROVIDES BUSINESS UPDATES 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 a ...

Seres Therapeutics, Inc. (NASDAQ:MCRB) Q4 2023 Earnings Call Transcript March 5, 2024 8:30 AM ET Company Participants Rob Windsor - IR Eric Shaff - CEO Terri Young - CCO & CSO Lisa von Moltke - CMO David Arkowitz - CFO Dave Ege - CTO Matthew Henn - Chief Scientific Officer Conference Call Participants Jeff Jones - Oppenheimer John Newman - Canaccord Tess Romero - JPMorgan Peyton Bohnsack - TD Cowen Chris Shibutani - Goldman Sachs Keay Nakae - Chardan Operator Ladies and gentlemen, good morning. My name is A ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-37465 le Seres Therapeutics, Inc. (Exact Name of Registrant as Specified in Its Charter) Delaware 27-4326290 (State or Other Jurisdict ...

Seres Therapeutics, Inc. (NASDAQ:MCRB) Q3 2023 Results Conference Call November 2, 2023 8:00 AM ET Company Participants Kevin Mannix - Head, IR Eric Shaff - CEO Dr. Terri Young - Chief Commercial Officer David Arkowitz - CFO Conference Call Participants Joseph Thome - TD Cowen Edward Tenthoff - Piper Sandler Tessa Romero - JPMorgan Jeff Jones - Oppenheimer Keay Nakae - Chardan Stephen Sloan - Goldman Sachs Operator Welcome to the Seres Therapeutics Third Quarter 2023 Financial Results Conference Call. [Oper ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Exact name of registrant as specified in its charter) Delaware 27-4326290 (State or other jurisdiction of (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-37465 Seres Ther ...

Seres Therapeutics, Inc. (NASDAQ:MCRB) Q2 2023 Earnings Conference Call August 8, 2023 8:30 AM ET Company Participants Carlo Tanzi - IR Officer Eric Shaff - President and CEO Lisa von Moltke - EVP and Chief Medical Officer Terri Young - Chief Commercial Officer David Arkowitz - EVP, CFO and Head of Business Development Matthew Henn - Chief Scientific Officer Conference Call Participants Joseph Thome - TD Cowen Edward Tenthoff - Piper Sandler Tessa Romero - JPMorgan Operator Ladies and gentlemen, thank you f ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-37465 Seres Therapeutics, Inc. (Exact name of registrant as specified in its charter) Delaware 27-4326290 (State or other jurisd ...

Start Time: 08:30 January 1, 0000 9:18 AM ET Seres Therapeutics, Inc. (NASDAQ:MCRB) Q1 2023 Earnings Conference Call May 09, 2023, 08:30 AM ET Company Participants Eric Shaff - President and CEO Terri Young - EVP, Chief Commercial and Strategy Officer Lisa von Moltke - EVP and Chief Medical Officer David Arkowitz - EVP, CFO and Head of Business Development David Ege - EVP, Chief Technology Officer Matthew Henn - EVP, Chief Scientific Officer Carlo Tanzi - IR Officer Conference Call Participants Mark Breiden ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number: 001-37465 Seres Therapeutics, Inc. (Exact name of registrant as specified in its charter) Delaware 27-4326290 (State or other juris ...