$2.98
+5.9%Spero Therapeutics, Inc., a clinical-stage biopharmaceutical company, focuses on identifying, developing, and commercializing treatments for multi-drug resistant (MDR) bacterial infections and rare diseases in the United States. The company's product candidates include tebipenem pivoxil hydrobromide (HBr), an oral carbapenem-class antibiotic to treat complicated urinary tract infections, including pyelonephritis for adults; SPR206, a direct acting IV-administered agent to treat MDR Gram-negative bacterial infections in the hospital; and SPR720, an oral antibiotic for the treatment of non-tuberculous mycobacterial pulmonary disease. It has license agreement with Meiji Seika Pharma Co., Ltd. to support the development of tebipenem HBr; license agreement with Everest Medicines to develop, manufacture, and commercialize SPR206 in Greater China, South Korea, and Southeast Asian countries; collaboration agreement with Bill & Melinda Gates Medical Research Institute to develop SPR720 for the treatment of lung infections caused by Mycobacterium tuberculosis; and license agreement with Vertex Pharmaceuticals Incorporated for patents relating to SPR720, as well as SPR719, an active metabolite. The company was founded in 2013 and is headquartered in Cambridge, Massachusetts.
Exceptional pricing power and cost management. The company retains over half of revenue after direct costs.
Operating losses indicate the core business is unprofitable. Requires restructuring or revenue growth.
Strong net margins indicate efficient operations and favorable tax/interest management.
Below-average tax rate suggests effective tax planning, favorable jurisdictions, or tax credits.
Margin squeeze alert: Healthy gross margins but weak operating margins suggest excessive operating expenses. Cost optimization could unlock significant value.
SPRO โข NASDAQ
| Spero Therapeutics, Inc. Income Statement | Dec 2025 | Dec 2024 | Dec 2023 | Dec 2022 | Dec 2021 | Dec 2020 | Dec 2019 | Dec 2018 | Dec 2017 | Dec 2016 | Dec 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|
REVENUE | |||||||||||
59.6M | 48M | 103.8M | 48.6M | 3.1M | 9.3M | 4.7M | 4M | 2M | 335K | 0.0 | |
GROSS PROFIT | |||||||||||
(0.0) | (96.8M) | (51.4M) | (0.0) | (0.0) | (67M) | (65.8M) | (33.9M) | (32.9M) | (26.3M) | (11K) | |
59.6M | -48.8M | 52.3M | 48.6M | 3.1M | -57.7M | -61M | -29.9M | -30.9M | -26M | -11K | |
OPERATING INCOME | |||||||||||
(59.6M) | (24.6M) | (30.9M) | (90.8M) | (91M) | (21.4M) | (68M) | (42.8M) | (41.7M) | (33.6M) | (13.3M) | |
(21.2M) | (23.7M) | (25.6M) | (36.5M) | (41.7M) | (21.4M) | (15.6M) | (12.9M) | (10.8M) | (7.2M) | (2.2M) | |
(38.5M) | (96.8M) | (51.4M) | (47.6M) | (64.5M) | (69.4M) | (65.8M) | (33.9M) | (32.9M) | (26.3M) | (11.1M) | |
-24K | -73.4M | 21.5M | -42.2M | -88M | -79.1M | -63.2M | -42.8M | -41.7M | -33.2M | -13.3M | |
PRE-TAX INCOME | |||||||||||
(0.0) | (0.0) | (0.0) | (2.6M) | (1.9M) | (0.0) | (0.0) | (303K) | (303K) | (0.0) | (0.0) | |
2.5M | 4.7M | 3.9M | -1.5M | -1.6M | 401K | 1.3M | 841K | 0.0 | 0.0 | 0.0 | |
(0.0) | -95.9M | -46.1M | (6.7M) | -15.2M | -69.4M | -13.4M | (1.1M) | -4.4M | (0.0) | (0.0) | |
8.9M | 4.8M | 3.9M | -4.2M | -1.8M | 833K | 2.3M | 1.1M | 1.8M | 580K | 174K | |
8.8M | -68.6M | 25.4M | -46.4M | -89.8M | -78.3M | -60.9M | -41.7M | -46.1M | -32.6M | -13.2M | |
NET INCOME | |||||||||||
(261K) | (0.0) | (2.6M) | (0.0) | (0.0) | (0.0) | -750K | (0.0) | -363K | (0.0) | (0.0) | |
8.6M | -68.6M | 22.8M | -46.4M | -89.8M | -78.3M | -60.9M | -41.7M | -46.1M | -25.5M | -10.2M |
SPRO - Filing history and reports
| Filing Type | Filing Date | Period Ending | Fiscal Year | Actions |
|---|---|---|---|---|
10-Q 10-Q 2026 Q1 Q1 | May 13, 2026 | March 31, 2026 | 2026 | |
8-K 8-K 2026 N/A | May 13, 2026 | May 13, 2026 | 2026 | |
DEF 14A DEF 14A 2026 N/A | April 27, 2026 | June 23, 2026 | 2026 | |
8-K 8-K 2026 N/A | March 26, 2026 | March 26, 2026 | 2026 | |
10-K 10-K 2025 FY FY | March 26, 2026 | December 31, 2025 | 2025 | |
8-K 8-K 2026 N/A | January 30, 2026 | January 30, 2026 | 2026 | |
8-K 8-K 2025 N/A | December 19, 2025 | December 19, 2025 | 2025 | |
8-K 8-K 2025 N/A | November 13, 2025 | November 13, 2025 | 2025 | |
10-Q 10-Q 2025 Q3 Q3 | November 13, 2025 | September 30, 2025 | 2025 | |
10-Q 10-Q 2025 Q2 Q2 | August 12, 2025 | June 30, 2025 | 2025 |
Continue your SPRO research with focused valuation guides.
Snapshot
Start with context, operating signals, and key market metrics.
Value Model
Stress test fair value across bear, base, and bull assumptions.
Statements
Validate revenue quality, margins, and balance sheet durability.
Earnings Call
Read management commentary and compare it with reported outcomes.
Dividends
Check payout sustainability and long-term distribution behavior.
Analyst Expectations
Review consensus spread and where estimate risk is concentrated.