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Seres Therapeutics Reports Inducement Grants Under Nasdaq Listing Rule 5635(c)(4)

Key Takeaway: Seres Therapeutics announced the granting of stock options to two new employees as part of its Inducement Plan. This plan, adopted in December 2022, allows for equity awards to attract talent in compliance with Nasdaq Listing Rule 5635(c)(4). The stock options have an exercise price of $5.72 per share and will vest over time.
Price reaction · baseline $5.56 (2026-09-08 close) · hit after-hours · clean, no other MCRB news in the window
day 0 close
-5%
day 1
-8.3%
day 3 · peak
-14.9%

Market Sentiment Analysis

POSITIVE FACTORS

  • Seres Therapeutics is expanding its team with new hires.
  • The inducement grants reflect the company's growth and stability.
  • The stock options provided can attract talent to the company.

BiopharmaWatch Analysis

From our catalyst data and publicly available data · not financial advice
Best trade, last catalyst
+323%
120-day peak, hindsight
Typical move
5.8%
average across 4 past catalysts
Cash runway
~0 mo
High dilution risk
Lead asset
Vancomycin Pre-Treatment
Phase 1 · Allogeneic Hematopoietic Stem Cell Transplantation

Full Press Release Details

CAMBRIDGE, Mass., Sept. 08, 2026 (GLOBE NEWSWIRE) -- Seres Therapeutics, Inc. (Nasdaq: MCRB) (“Seres” or the “Company”), a leading live biotherapeutics company, today announced that on September 4, 2026, the Compensation and Talent Committee of Seres’ board of directors granted inducement equity grants consisting of stock options to purchase an aggregate of 4,200 shares of its common stock to two new employees. These stock options are subject to the terms of the Seres Therapeutics, Inc. 2022 Employment Inducement Award Plan (the “Inducement Plan”). The Inducement Plan is used exclusively for the grant of equity awards to individuals as an inducement material to their entering into employment with Seres pursuant to Nasdaq Listing Rule 5635(c)(4). The Inducement Plan was adopted by Seres’ board of directors in December 2022. The stock options have an exercise price of $5.72 per share. Each option will vest as to 25% of the total number of shares subject to the option on the first anniversary of the individual’s date of hire and as to 6.25% of the total number of shares subject to the option upon completion of each three full months of service to the Company thereafter.
About Seres Therapeutics Seres Therapeutics, Inc. (Nasdaq: MCRB) is a clinical-stage biotechnology company developing novel live biotherapeutics products, designed to address unmet needs in oncology that can lead to interruption to patients' cancer care and/or mortality, and to treat inflammatory and immune diseases, by modulating host function to protect and improve mucosal epithelial barrier integrity, induce immune homeostasis and tolerance, and prevent the colonization and overgrowth of pathogens in the gastrointestinal tract. For more information, please visit www.serestherapeutics.com.

Investor and Media Contact: IR@serestherapeutics.com

Frequently Asked Questions

What are the inducement grants by Seres Therapeutics?

Seres Therapeutics granted stock options to two new employees as part of its Inducement Plan.

What is the exercise price for the stock options?

The stock options have an exercise price of $5.72 per share.

What is the purpose of the Inducement Plan?

The Inducement Plan is designed to attract talent by offering equity awards to new employees.

When will the stock options vest?

The options will vest 25% on the first anniversary of hire and 6.25% every three months thereafter.

Last updated: Sep 8, 2026