Spero Therapeutics Inc. (SPRO)
NASDAQ · Healthcare
Spero Therapeutics Inc. Stock Price History 2016–2025
Spero Therapeutics Inc.
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Historical daily closing price for Spero Therapeutics Inc. since 2017, adjusted for splits and dividends. The latest closing stock price for Spero Therapeutics Inc. as of June 11, 2026 is 2.60.
- The all-time high Spero Therapeutics Inc. stock closing price was 22.07 on December 28, 2020.
- The Spero Therapeutics Inc. 52-week high stock price is 3.04, which is 16.9% above the current share price.
- The Spero Therapeutics Inc. 52-week low stock price is 1.83, which is 29.6% below the current share price.
- The average Spero Therapeutics Inc. stock price for the last 52 weeks is 2.40.
Annual Close Price
YEAR-END CLOSE · USD
ANNUAL % CHANGE · %
| Year | Average | Year Open | Year High | Year Low | Year Close | Annual % Change |
|---|---|---|---|---|---|---|
| 2026 | 2.51 | 2.35 | 2.98 | 2.14 | 2.60 | +11.59% |
| 2025 | 1.72 | 1.08 | 3.04 | 0.56 | 2.33 | +126.21% |
| 2024 | 1.40 | 1.52 | 1.80 | 0.92 | 1.03 | -29.93% |
| 2023 | 1.49 | 1.74 | 2.00 | 1.00 | 1.47 | -15.03% |
| 2022 | 3.97 | 15.15 | 15.15 | 0.68 | 1.73 | -89.19% |
| 2021 | 15.86 | 17.93 | 21.48 | 12.22 | 16.01 | -17.43% |
| 2020 | 11.89 | 9.87 | 22.07 | 5.27 | 19.39 | +101.66% |
| 2019 | 10.99 | 6.26 | 14.36 | 6.26 | 9.62 | +56.34% |
| 2018 | 11.16 | 12.14 | 17.85 | 5.69 | 6.15 | -47.66% |
| 2017 | 12.27 | 11.50 | 14.75 | 10.43 | 11.75 | — |
Spero Therapeutics Inc. Stock Price History — FAQ
Spero Therapeutics Inc. (SPRO) stock price history over the last 10 years — annual and quarterly figures with year-over-year growth and charts.
Where can I see SPRO's stock price history history?
The chart and table above show Spero Therapeutics Inc.'s stock price history by year and by quarter, including the growth rate.