Spero Therapeutics, Inc. Share Price
NASDAQ: SPRO | Micro CapSpero Therapeutics, Inc. Stock Performance
Spero Therapeutics, Inc. Share Price Today
As of 29 October 2026, Spero Therapeutics, Inc.'s share price is $1.14. The stock opened at $1.16, compared to its previous close of $1.17. During today's trading session, Spero Therapeutics, Inc.'s share price traded between $1.13 and $1.17, with an average price of $1.15. Over the past 52 weeks, the stock has recorded a high of $3.07 and a low of $1.05. In terms of performance, Spero Therapeutics, Inc.'s share price has declined by 54.87% over the last six months and is down 53.29% on a year-on-year basis.
Spero Therapeutics, Inc. Share Price Chart
Spero Therapeutics, Inc. Quarterly Profit & Loss
All figures in USD
Spero Therapeutics, Inc. Annual Profit & Loss
All figures in USD
About Spero Therapeutics, Inc.
Spero Therapeutics Inc is a clinical-stage biopharmaceutical firm. It focuses on identifying, developing, and commercializing novel treatments for MDR (Multi-drug-resistant) bacterial infections and rare diseases. The company's product candidate, tebipenem pivoxil hydrobromide or tebipenem HBr, is designed to be an oral carbapenem-class antibiotic for use in adults to treat MDR Gram-negative infections. It is also developing SPR720, a novel oral antibiotic designed for the treatment of a rare, orphan disease caused by pulmonary non-tuberculous mycobacterial infections, or NTM disease. It is also focused on SPR206, a next-generation polymyxin investigational product candidate being developed as an IV-administered medicine to treat MDR Gram-negative infections in the hospital.
Spero Therapeutics, Inc. Historical Returns
| Month | Open | Close | Change % |
|---|---|---|---|
Oct 2026 | $1.20 | $1.14 | -5.81% |
Sep 2026 | $1.22 | $1.21 | -0.82% |
Aug 2026 | $1.18 | $1.22 | +2.97% |
Jul 2026 | $2.22 | $1.18 | -46.49% |
Jun 2026 | $2.81 | $2.21 | -21.81% |
May 2026 | $2.60 | $2.82 | +12.13% |
Apr 2026 | $2.41 | $2.52 | +7.48% |
Mar 2026 | $2.15 | $2.34 | +7.34% |
Feb 2026 | $2.16 | $2.18 | -0.23% |
Jan 2026 | $2.33 | $2.19 | -6.22% |
Dec 2025 | $2.31 | $2.33 | -2.92% |
Nov 2025 | $2.45 | $2.40 | -1.23% |