Spero Therapeutics Long Term Debt

Spero Therapeutics (SPRO) currently reports a long-term debt of $510K as of March 2026. That compares with $2.2M in the prior-year period — down 76.6% year over year. Use the charts on this page to explore Spero Therapeutics's long-term debt history and peer comparisons.

Spero Therapeutics's long-term debt decreased from $2.2M to $510K — a 76.6% year-over-year decrease (period ending March 2026). Watching multi-year history on the chart below helps separate one-off swings from a lasting trend.

Spero Therapeutics reported $510K in long-term debt as of March 2026. That compares with $2.2M in the prior-year period — down 76.6% year over year. Absolute dollar amounts are most useful when compared with prior periods, peers, and related line items such as revenue, assets, or liabilities on Stockcircle.

Start with the current long-term debt of $510K, then check the historical chart for trend and the peer comparison chart for relative positioning. From there, open related valuation or income-statement pages for Spero Therapeutics, and consider following SPRO for alerts when major investors trade the stock.

Spero Therapeutics is classified in the Healthcare sector. On long-term debt, it currently shows $510K. Sector peers often share similar capital intensity and growth regimes, so relative rankings inside Healthcare are usually more informative than comparing SPRO with unrelated industries.