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Spero Therapeutics, Inc. (SPRO)

1.0600 -0.0500 (-4.50%)
At close: October 30 at 4:00:01 PM EDT
1.0795 +0.0195 (+1.84%)
After hours: October 30 at 5:47:23 PM EDT
Trade SPRO on Coinbase

Key Executives

Amounts are as of December 31, 2025 and compensation values are for the last fiscal year ending on that date. Pay is salary, bonuses, etc. Exercised is the value of options exercised during the fiscal year. Currency in USD.
Name Title Pay Exercised Year Born
Ms. Esther P. Rajavelu
CEO, President, CFO, Chief Business Officer, Treasurer & Director 1.65M -- 1979
Mr. Timothy Keutzer
Chief Operating Officer 1.23M -- 1968
Mr. John Raymond
Senior Vice President of Finance & Business Operations -- -- --
Dr. Debra Jeske Zack M.D., Ph.D.
Chief Medical Officer -- -- 1957

Spero Therapeutics, Inc.

675 Massachusetts Avenue
14th Floor
Cambridge, MA 02139
United States
857 242 1600 https://sperotherapeutics.com
Sector: 
Healthcare
Industry: 
Biotechnology
Full Time Employees: 
25

Description

Spero Therapeutics, Inc., a clinical-stage biopharmaceutical company, focuses on identifying and developing novel treatments for multi-drug resistant (MDR) bacterial infections and rare diseases in the United States. The company's product candidates include Tebipenem HBr (tebipenem pivoxil hydrobromide), an oral carbapenem-class antibiotic to treat complicated urinary tract infections, including pyelonephritis for adult patients, which has completed second Phase 3 trial. It has license agreement with Meiji Seika Pharma Co., Ltd. to develop, manufacture, and commercialize tebipenem pivoxil and tebipenem HBr; and Everest Medicines to develop, manufacture, and commercialize SPR206 in Greater China, South Korea, and Southeast Asian countries. Spero Therapeutics, Inc. was incorporated in 2013 and is headquartered in Cambridge, Massachusetts.

Corporate Governance

Spero Therapeutics, Inc.’s ISS Governance QualityScore as of N/A is N/A. The pillar scores are Audit: N/A; Board: N/A; Shareholder Rights: N/A; Compensation: N/A.
Corporate governance scores courtesy of Institutional Shareholder Services (ISS) Scores indicate decile rank relative to index or region. A decile score of 1 indicates lower governance risk, while a 10 indicates higher governance risk.

Upcoming Events

November 12, 2026 at 8:00 PM UTC

Spero Therapeutics, Inc. Earnings Date

Recent Events

October 28, 2026 at 12:00 AM UTC

S-8: Offering Registrations

October 27, 2026 at 12:00 AM UTC

8-K: Corporate Changes & Voting Matters

August 28, 2026 at 12:00 AM UTC

8-K: Corporate Changes & Voting Matters

August 12, 2026 at 12:00 AM UTC

10-Q: Periodic Financial Reports

July 14, 2026 at 12:00 AM UTC

8-K: Corporate Changes & Voting Matters

June 25, 2026 at 12:00 AM UTC

8-K: Corporate Changes & Voting Matters

June 23, 2026 at 12:00 AM UTC

S-8: Offering Registrations

June 22, 2026 at 12:00 AM UTC

8-K: Corporate Changes & Voting Matters

May 13, 2026 at 12:00 AM UTC

10-Q: Periodic Financial Reports

April 27, 2026 at 12:00 AM UTC

ARS: Annual Report to Shareholders

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