SPRO
Spero Therapeutics Inc
1.20$
+0.8%
vs. previous close
Closing price · As of: Sep 29, 2026
Statements
Cash Flow
All figures as the change versus the prior period, in percent. Periods without a positive comparison base stay empty.
Tick rows to compare them in a chart (up to 4)
| Line item | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| – | – | – | – | – | – | – | – | – | – | – | |
| – | +2,436.4% | +30.1% | +12.7% | +83.4% | +1.5% | -15.1% | +34.5% | -57.8% | -99.5% | -100.0% | |
| – | +757.1% | +692.8% | +92.6% | +37.4% | +29.4% | +92.9% | -3.3% | -13.1% | -1.8% | -44.5% | |
| – | -909.6% | – | – | +10.3% | +22.6% | +161.1% | +32.2% | – | – | – | |
| – | -565.9% | – | -341.8% | – | -296.0% | – | +71.7% | -418.6% | – | -174.8% | |
| – | +257.8% | -96.7% | +8,922.2% | -87.1% | -50.0% | +40,885.3% | -100.0% | – | – | – | |
| – | +257.8% | -96.7% | +307,885.2% | – | -64.5% | -26.7% | +340.7% | – | – | – | |
| – | – | – | – | – | – | – | +14.8% | – | – | – | |
| – | +124.5% | +251.2% | -42.5% | -76.8% | -12.1% | +94.2% | -62.7% | – | – | – | |
| – | – | – | – | – | +0.0% | +0.0% | +0.0% | – | – | – | |
| – | +125.3% | +237.4% | -40.1% | -76.8% | +710.9% | -35.8% | -135.2% | – | -100.0% | – | |
| – | -14.9% | +1,564.6% | -169.2% | – | – | -50.7% | -112.7% | – | – | – | |
| – | – | – | – | – | – | – | – | – | – | – |
Data as of: September 29, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.