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SERES THERAPEUTICS REPORTS THIRD QUARTER 2024 FINANCIAL RESULTS AND PROVIDES BUSINESS UPDATES SER-155 Phase 1b placebo-controlled clinical results demonstrated significant reduction in both bacterial bloodstream infectio

Key Takeaway: Seres Therapeutics has reported third quarter 2024 financial results, highlighting positive clinical outcomes for SER-155, which significantly reduced bacterial bloodstream infection rates in patients undergoing allo-HSCT. The company has strengthened its financial position following the VOWST sale and expects to fund operations into Q4 2025. Aiming to expand SER-155's use, Seres plans to seek a strategic partnership while preparing for future clinical studies and has requested FDA designations to expedite the process. The company is transitioning toward focusing on multiple patient populations with additional live biotherapeutic candidates in the pipeline.

Market Sentiment Analysis

POSITIVE FACTORS

  • Significant reduction in bacterial bloodstream infections observed with SER-155.
  • Financial position strengthened after the completion of the VOWST sale.
  • Potential for SER-155 to support multiple patient populations beyond allo-HSCT.
  • Requested Breakthrough Therapy designation from the FDA, indicative of promising treatment prospects.

CONCERNS & RISKS

  • Past financial losses and ongoing need for additional funding.
  • Risk associated with early-stage clinical trials and regulatory approvals.
  • Dependence on strategic partnerships to advance further clinical studies.

Full Press Release Details

SERES THERAPEUTICS REPORTS THIRD QUARTER 2024 FINANCIAL RESULTS AND
PROVIDES BUSINESS UPDATES
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 expects to fund operations into Q4 2025
Seeking SER-155 strategic partnership to accelerate next study in allo-HSCT and expand to multiple target populations
Conference call at 8:30 a.m. ET today
CAMBRIDGE, Mass. November 13, 2024 Seres Therapeutics, Inc. (Nasdaq: MCRB), (Seres or the Company), a leading live biotherapeutics
company, today reported third quarter 2024 financial results and provided business updates.
This quarter has been transformational for Seres,
highlighted by our positive SER-155 placebo-controlled clinical results, and the sale of VOWST, which resulted in the Company becoming a more streamlined, focused organization, and which will support
advancement into a potential SER-155 registration study, said Eric Shaff, President and Chief Executive Officer of Seres. Our SER-155 data provides strong
evidence highlighting its potential to significantly reduce the risk of bacterial bloodstream infections (BSIs), a leading cause of mortality and morbidity in patients undergoing allogeneic hemopoietic stem cell transplants (allo-HSCT), as well as
other medically vulnerable populations. Based on these highly encouraging results, including a relative risk reduction of 77% in BSIs in the active arm as compared to placebo, we have requested Breakthrough Therapy designation and Qualified
Infectious Disease Product (QIDP) designation, and anticipate feedback from the FDA by the end of this year. Additionally, we are planning for the next clinical study in allo-HSCT, which we believe could be a single registration study for efficacy.
We intend to engage with the agency in the first quarter of 2025 to discuss our clinical study results and future study design.
elaborated, With SER-155 as our primary focus and anchor program, and additional live biotherapeutic candidates, we have the opportunity to expand beyond allo-HSCT to other patient populations, including
autologous-HSCT (auto-HSCT) patients, cancer patients with neutropenia, CAR-T recipients, individuals with chronic liver disease, solid organ transplant recipients, as well as patients in the intensive care
unit and long-term acute care facilities, thereby potentially creating multiple significant commercial opportunities. Our market research indicates that a product providing similar efficacy to what we observed in our SER-155 studies would be transformational in the management of allo-HSCT patients, and rapidly become standard practice. To most effectively advance development in allo-HSCT and additional patient populations, we
are seeking a partner who shares our vision and who would provide financial support and other capabilities to enable us to maximize SER-155 s broad potential. We have engaged MTS Health Partners to
facilitate the process.
Corporate Highlights
In the September 30, 2024 financial statements, the Company has classified the VOWST business as discontinued operations in the condensed consolidated
balance sheet for the comparative period (December 31, 2023) and all historical operating results for the VOWST business are reflected within discontinued operations in the condensed consolidated statements of operations for both periods presented.
Following completion of the VOWST sale, Seres is a more streamlined organization with no outstanding debt and a projected lower cash burn rate. Seres
headcount decreased by 100 to a team of approximately 100 employees following the VOWST sale, principally due to the transition of manufacturing and quality team members to Nestl Health Science. The Company continues to evaluate and
implement actions to reduce expenses and is evaluating a variety of approaches to support its capital strategy.
As of September 30, 2024, Seres
had $66.8 million in cash and cash equivalents. Based on existing cash, projected installment payments to be received from Nestl Health Science in 2025, transaction-related obligations and current operating plans, the Company
expects to fund operations into the fourth quarter of 2025.
Conference Call Information
Seres management will host a conference call today, November 13, 2024, at 8:30 a.m. ET. The conference call may be accessed by calling 1-800-715-9871 (international callers dial 1-646-307-1963) and referencing the conference ID number 5051385. To join the live webcast, please visit the Investors and News section of the Seres website
at www.serestherapeutics.com. A webcast replay will be available on the Seres website beginning approximately two hours after the event and will be archived for at least 21 days.
SER-155 is an investigational, oral, live biotherapeutic designed to decolonize gastrointestinal (GI) pathogens,
improve epithelial barrier integrity, and induce immune tolerance to prevent bacterial bloodstream and antimicrobial resistant (AMR) infections, as well as other pathogen associated negative clinical outcomes, in patients undergoing allogeneic
hematopoietic stem cell transplantation (allo-HSCT). SER-155 has been evaluated in a Phase 1b placebo-controlled study in patients undergoing allo-HSCT, which demonstrated a significant reduction in both
bacterial bloodstream infections (BSIs) and systemic antibiotic exposure, as well as lower incidence of febrile neutropenia. SER-155 has received FDA Fast Track designation for reducing the risk of infection
and GvHD in patients undergoing HSCT. The early development of the program was supported by Combating Antibiotic-Resistant Bacteria Biopharmaceutical Accelerator (CARB-X), a global non-profit partnership accelerating antibacterial products to address drug-resistant bacteria.
Seres Therapeutics, Inc. (Nasdaq: MCRB) is a clinical-stage company focused on improving patient outcomes in medically vulnerable
populations through novel live biotherapeutics. Seres led the successful development and approval of VOWST , the first FDA-approved orally administered
microbiome therapeutic, which was sold to Nestl Health Science in September 2024. The Company is developing SER-155, which has demonstrated a significant reduction in bloodstream
infections and related complications (as compared to placebo) in a clinical study in patients undergoing allogeneic hematopoietic stem cell transplantation (allo-HSCT). SER-155 and the Company s
other pipeline programs, are designed to target multiple disease-relevant pathways and are manufactured from standard clonal cell banks via cultivation, rather than from the donor-sourced production process used for VOWST. In addition to allo-HSCT,
the Company intends to evaluate SER-155 and other cultivated live biotherapeutic candidates in other medically vulnerable patient populations including autologous-HSCT patients, cancer patients with
neutropenia, CAR-T recipients, individuals with chronic liver disease, solid organ transplant recipients, as well as patients in the intensive care unit and long-term acute care facilities. For more
information, please visit www.serestherapeutics.com.
Forward-Looking Statements
This press release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. All statements contained in
this press release that do not relate to matters of historical fact should be considered forward-looking statements, including statements about; the financial terms and future payments related to the VOWST sale; the timing and results of our
clinical studies and data readouts; future product candidates, development plans and commercial opportunities; interactions with regulatory agencies; operating plans and our future cash runway; our ability to secure a partnership and/or generate
additional capital; our planned strategic focus; anticipated timing of any of the foregoing and other statements which are not historical fact.
These forward-looking statements are based on management s current expectations. These statements are
neither promises nor guarantees, but involve known and unknown risks, uncertainties and other important factors that may cause our actual results, performance or achievements to be materially different from any future results, performance or
achievements expressed or implied by the forward-looking statements, including, but not limited to, the following: (1) we have incurred significant losses, are not currently profitable and may never become profitable; (2) our need for
additional funding; (3) our history of operating losses; (4) our novel approach to therapeutic intervention; (5) our reliance on third parties to conduct our clinical trials and manufacture our product candidates; (6) the
competition we will face; (7) our ability to protect our intellectual property; (8) our ability to retain key personnel and to manage our growth; (9) the effect of the VOWST sale on our ability to retain and hire key personnel and
maintain relationships with our customers, suppliers, advertisers, partners and others with whom we do business, or on our operating results and businesses generally; (10) the risks associated with the disruption of management s attention
from ongoing business operations due to the obligation to provide transition services; (11) our failure to receive the installment payments or the milestone payments in the future; (12) the uncertainty of impact of the 50/50 profit and
loss sharing arrangement on our reported results and liquidity; and (13) we may not be able to realize the anticipated benefits of the VOWST sale. These and other important factors discussed under the caption Risk Factors in our
Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission (SEC), on August 13, 2024, and our other reports filed with the SEC could cause actual results to differ
materially from those indicated by the forward-looking statements made in this press release. Any such forward-looking statements represent management s estimates as of the date of this press release. While we may elect to update such
forward-looking statements at some point in the future, we disclaim any obligation to do so, even if subsequent events cause our views to change. These forward-looking statements should not be relied upon as representing our views as of any date
subsequent to the date of this press release.
SERES THERAPEUTICS, INC.
CONDENSED CONSOLIDATED BALANCE SHEETS
(unaudited, in thousands, except share and per share data)
September 30, December 31,
2024 2023
Assets
Current assets:
Cash and cash equivalents $ 66,824 $ 127,965
Prepaid expenses and other current assets 6,104 8,049
Current assets of discontinued operations 39,396
Total current assets 72,928 175,410
Property and equipment, net 12,566 17,614
Operating lease assets 82,910 90,417
Restricted cash 9,873 8,185
Restricted investments 1,401
Other non-current assets 465 2,187
Non-current assets of discontinued operations (1) 63,386
Total assets $ 178,742 $ 358,600
Liabilities and Stockholders Equity (Deficit)
Current liabilities:
Accounts payable $ 8,254 $ 3,641
Accrued expenses and other current liabilities 17,716 22,509
Accrued liabilities due to SPN - related party 30,517
Operating lease liabilities 8,346 5,587
Current liabilities of discontinued operations (2) 66,922
Total current liabilities 64,833 98,659
Long term portion of note payable, net of discount 101,544
Operating lease liabilities, net of current portion 85,266 91,652
Accrued liabilities due to SPN, net of current portion - related party 2,941
Warrant liabilities 546
Other long-term liabilities 1,783 1,628
Non-current liabilities of discontinued operations 109,427
Total liabilities 154,823 403,456
Commitments and contingencies (Note 13)
Stockholders equity (deficit):
Preferred stock, $0.001 par value; 10,000,000 shares authorized at September 30, 2024 and December 31, 2023; no shares issued and outstanding at September 30, 2024 and December 31, 2023
Common stock, $0.001 par value; 360,000,000 shares authorized at September 30, 2024 and 240,000,000 shares authorized at December 31, 2023; 170,200,253 and 135,041,467 shares issued and outstanding at September 30, 2024 and December 31, 2023, respectively 170 135
Additional paid-in capital 986,211 933,244
Accumulated other comprehensive loss
Accumulated deficit (962,462 ) (978,235 )
Total stockholders equity (deficit) 23,919 (44,856 )
Total liabilities and stockholders equity (deficit) $ 178,742 $ 358,600
SERES THERAPEUTICS, INC.
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS)
(unaudited, in thousands, except share and per share data)
Three Months Ended September 30, Nine Months Ended September 30,
2024 2023 2024 2023
Operating expenses:
Research and development expenses 16,460 25,154 $ 51,759 94,554
General and administrative expenses 12,710 19,432 $ 40,721 63,519
Total operating expenses 29,170 44,586 $ 92,480 158,073
Loss from operations (29,170 ) (44,586 ) $ (92,480 ) (158,073 )
Other income (expense):
Interest income 652 2,572 $ 3,530 5,330
Interest expense $ (2,468 )
Other (expense) income (22,517 ) 999 $ (21,184 ) (202 )
Total other (expense) income, net (21,865 ) 3,571 $ (17,654 ) 2,660
Net loss from continuing operations $ (51,035 ) $ (41,015 ) $ (110,134 ) $ (155,413 )
Net income (loss) from discontinued operations, net of tax $ 139,811 $ (6,839 ) $ 125,907 $ 82,937
Net income (loss) $ 88,776 $ (47,854 ) $ 15,773 $ (72,476 )
Net loss from continuing operations per share attributable to common stockholders, basic and diluted $ (0.33 ) $ (0.32 ) $ (0.73 ) $ (1.22 )
Net income (loss) from discontinued operations per share attributable to common stockholders, basic and diluted $ 0.92 $ (0.05 ) $ 0.84 $ 0.65
Net income (loss) per share attributable to common stockholders, basic and diluted $ 0.58 $ (0.37 ) $ 0.11 $ (0.57 )
Weighted average common shares outstanding, basic 152,648,238 128,289,871 150,097,482 127,297,667
Weighted average common shares outstanding, diluted 152,648,238 128,289,871 150,097,482 127,297,667
Other comprehensive income:
Unrealized income on investments, net of tax of $0 10
Currency translation adjustment 1 2
Total other comprehensive income 1 12
Comprehensive income (loss) $ 88,776 $ (47,853 ) $ 15,773 $ (72,464 )
Investor and Media Contact:
Kendall Investor Relations

Frequently Asked Questions

What were the main results of SER-155 Phase 1b clinical trials?

SER-155 showed significant reductions in bacterial bloodstream infections and systemic antibiotic exposure compared to placebo.

How is Seres Therapeutics improving its financial position?

The VOWST sale strengthened Seres' financial position, with no outstanding debt and a lower cash burn rate.

What is SER-155 designed to do?

SER-155 aims to decolonize gastrointestinal pathogens and enhance immune tolerance in patients undergoing allo-HSCT.

What future plans does Seres have for SER-155?

Seres plans to seek a strategic partnership to advance SER-155 in allo-HSCT and other patient populations.

When can we expect feedback from the FDA on SER-155?

Feedback from the FDA regarding SER-155's Breakthrough Therapy designation is anticipated by the end of this year.

Last updated: Nov 13, 2024