Filing Flows

Filing Flows › Spero Therapeutics (SPRO) › Q1 2026 › vs Q1 2025

Spero Therapeutics (SPRO) Q1 2026 vs Q1 2025 (year over year)

Spero Therapeutics's revenue fell $5.6M (-96%) from $5.9M in Q1 2025 to $258K in Q1 2026.

Spero Therapeutics, Q1 2026: revenue $258K (-96% year over year), net loss $7.2M, operating cash flow $15.9M. The chart draws each line against Q1 2025, the increases inside each band.

Spero Therapeutics: what changed, Q1 2026 vs Q1 2025Spero Therapeutics: what changed, Q1 2026 vs Q1 2025Operating cash flow$19.9MWorking capital & other$13.6MOperating cash sources$13.2MCosts & expenses−$12.8MOperating costs−$12.8MResearch & development−$10.7MNet loss−$6.7MNet loss absorbed−$6.7MGeneral & admin−$1.9MOther income, net−$530K

Every line

LineQ1 2026Q1 2025Change%
Revenue$258K$5.9M−$5.6M-96%
Other income, net$335K$865K−$530K-61%
Net loss$7.2M$13.9M−$6.7M-48%
Costs & expenses$7.8M$20.6M−$12.8M-62%
Operating costs$7.8M$20.6M−$12.8M-62%
Research & development$2.9M$13.6M−$10.7M-79%
General & admin$4.9M$6.8M−$1.9M-28%
Operating cash sources$23.1M$9.9M$13.2M+134%
Share-based compensation$1.1M$1.6M−$442K-28%
Working capital & other$22.0M$8.3M$13.6M+164%
Net loss absorbed$7.2M$13.9M−$6.7M-48%
Operating cash flow$15.9M−$4.0M$19.9M—

Questions

How much did Spero Therapeutics's revenue grow year over year in Q1 2026?

Spero Therapeutics's revenue fell $5.6M (-96%) from $5.9M in Q1 2025 to $258K in Q1 2026.

Q1 2026 results → · Compare in the interactive Sankey →