Spero Therapeutics, Inc. (SPRO)

Spero Therapeutics Revenue

Spero Therapeutics had revenue of $5.44M in the quarter ending September 30, 2025, a decrease of -59.60%. This brings the company's revenue in the last twelve months to $40.55M, down -61.91% year-over-year. In the year 2024, Spero Therapeutics had annual revenue of $47.98M, down -53.77%.

• Revenue (ttm): $40.55M
• Revenue Growth: -61.91%
• P/S Ratio: 3.12
• Revenue / Employee: $1,267,156
• Employees: 32
• Market Cap: 127.61M

Revenue History

Fiscal Year End	Revenue	Change	Growth
Dec 31, 2024	47.98M	-55.80M	-53.77%
Dec 31, 2023	103.78M	50.27M	93.95%
Dec 31, 2022	53.51M	35.25M	193.10%
Dec 31, 2021	18.26M	8.93M	95.67%
Dec 31, 2020	9.33M	-8.82M	-48.59%
Dec 31, 2019	18.15M	14.18M	357.56%
Dec 31, 2018	3.97M	1.99M	100.40%
Dec 31, 2017	1.98M	1.64M	490.75%
Dec 31, 2016	335.00K	-	-
Dec 31, 2015	-	-	-