Spero Therapeutics Inc (SPRO) — Financial Flexibility Index

Latest as of December 2025: -0.84x

Spero Therapeutics Inc (SPRO) has a Financial Flexibility Index of -0.84x as of December 2025. Free cash flow of $-8.35 Million (operating CF $-8.35 Million minus capex $0.00) represents -1% of total liabilities ($9.90 Million). Also explore SPRO year-over-year net asset growth to track the company's year-over-year net asset growth rate.

Financial Flexibility Index

-0.84x
Free Cash Flow / Total Liabilities

Free Cash Flow

$-8.35 Million
Operating CF − Capex

Total Liabilities

$9.90 Million
USD

Capital Expenditures

$0.00
USD

Spero Therapeutics Inc Financial Flexibility Index (2015–2025)

Historical Financial Flexibility Index trend for Spero Therapeutics Inc across 11 annual periods. Check asset allocation strategy of Spero Therapeutics Inc to assess the company's strategic physical and investment asset allocation.

Annual Financial Flexibility Index for Spero Therapeutics Inc (2015–2025)

Year-by-year free cash flow to debt coverage for Spero Therapeutics Inc. For the full company profile including market capitalisation, see SPRO market cap.

Year Flexibility Index Free Cash Flow (USD) Operating CF Total Liabilities YoY Change
2025 -1.28x $-12.62 Million $-12.62 Million $9.90 Million ▼ -250.5%
2024 -0.36x $-23.44 Million $-23.44 Million $64.42 Million ▲ +16.7%
2023 -0.44x $-32.99 Million $-32.99 Million $75.50 Million ▼ -176.3%
2022 -0.16x $-7.73 Million $-7.73 Million $48.87 Million
2021 0.00x $0.00 $-64.35 Million $82.78 Million ▲ +100.0%
2020 -4.00x $-85.72 Million $-85.87 Million $21.41 Million ▼ -153.9%
2019 -1.58x $-49.71 Million $-50.02 Million $31.53 Million ▲ +44.3%
2018 -2.83x $-37.19 Million $-39.62 Million $13.15 Million ▲ +38.3%
2017 -4.59x $-39.08 Million $-39.11 Million $8.52 Million ▼ -20.8%
2016 -3.80x $-28.13 Million $-28.96 Million $7.41 Million ▼ -200.9%
2015 -1.26x $-9.38 Million $-9.61 Million $7.43 Million
Financial Flexibility Index = (Operating CF − Capex) / Total Liabilities = Free Cash Flow / Total Liabilities