| Annual · values | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Operating Cash Flow | -12.62 M USD | -23.44 M USD | -32.99 M USD | -7.73 M USD | -64.35 M USD | -85.87 M USD | -50.02 M USD | -39.63 M USD | -39.11 M USD | -28.96 M USD | -9.61 M USD |
| Depreciation & Amortization | 0 USD | 2000 USD | 367000 USD | 869000 USD | 646000 USD | 761000 USD | 750000 USD | 409000 USD | 363000 USD | 279000 USD | 11000 USD |
| Stock-Based Compensation | 4.33 M USD | 7.79 M USD | 7.93 M USD | 9.12 M USD | 9.43 M USD | 4.89 M USD | 3.78 M USD | 2.75 M USD | 1.43 M USD | 180000 USD | 21000 USD |
| Capital Expenditures | — | — | — | — | — | 157000 USD | 314000 USD | 2.44 M USD | 27000 USD | 830000 USD | 232000 USD |
| Cash Flow from Investing | — | — | 0 USD | 33.81 M USD | 7.67 M USD | 10.47 M USD | 29.53 M USD | -83.16 M USD | -27000 USD | -830000 USD | -232000 USD |
| Cash Flow from Financing | — | 0 USD | 221000 USD | -29.55 M USD | 84.05 M USD | 130.88 M USD | 16.14 M USD | 69.52 M USD | 116.11 M USD | 34.41 M USD | 15.28 M USD |
| Dividends Paid | — | — | — | — | — | — | — | — | — | — | — |
| Stock Buybacks | — | — | — | — | — | — | — | — | — | — | — |
| Free Cash Flow | — | — | — | — | — | -86.03 M USD | -50.33 M USD | -42.06 M USD | -39.14 M USD | -29.79 M USD | -9.84 M USD |
Spero Therapeutics Inc. is a biopharmaceutical company focused on developing novel treatments for infectious diseases, particularly those caused by antibiotic-resistant bacteria. The primary function of Spero Therapeutics is to address the growing global challenge of bacterial infections that are difficult to treat with existing antibiotics. The company’s pipeline includes innovative therapies targeted at multi-drug resistant bacterial infections, which are essential in hospital and healthcare environments. Spero employs cutting-edge scientific research and development techniques to create oral and intravenous (IV) treatment options that provide effective alternatives for patients and physicians. Headquartered in Cambridge, Massachusetts, Spero Therapeutics plays a critical role in the pharmaceutical industry by advancing the development of new antibiotic therapies, thus contributing to public health and safety. Its work is particularly significant in the context of increasing concerns about antibiotic resistance, which poses a severe threat to global health systems.