The latest closing stock price for Spero Therapeutics as of July 30, 2025 is 2.17.
An investor who bought $1,000 worth of Spero Therapeutics stock at the IPO in 2017 would have $-811 today, roughly -1 times their original investment - a -18.79% compound annual growth rate over 8 years.
The all-time high Spero Therapeutics stock closing price was 22.07 on December 28, 2020.
The Spero Therapeutics 52-week high stock price is 3.22, which is 48.4% above the current share price.
The Spero Therapeutics 52-week low stock price is 0.51, which is 76.5% below the current share price.
The average Spero Therapeutics stock price for the last 52 weeks is 1.31.
An investor who bought $1,000 worth of Spero Therapeutics stock at the IPO in 2017 would have $-811 today, roughly -1 times their original investment - a -18.79% compound annual growth rate over 8 years.
The all-time high Spero Therapeutics stock closing price was 22.07 on December 28, 2020.
The Spero Therapeutics 52-week high stock price is 3.22, which is 48.4% above the current share price.
The Spero Therapeutics 52-week low stock price is 0.51, which is 76.5% below the current share price.
The average Spero Therapeutics stock price for the last 52 weeks is 1.31.