Spero Therapeutics, Inc.

Spero Therapeutics, Inc.

SPROยทNASDAQ

$2.83

+6.9%
HealthcareBiotechnology

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.

At a Glance

Live Snapshot
Market Cap$163.86M
EPS0.1500
P/E Ratio15.23
Earnings Date08/11/2026
Spero Therapeutics, Inc.

Spero Therapeutics, Inc. Fair Value Envelope

SPRO ยท NASDAQ

Our analysis suggests that SPRO has a fair value of HIDDEN per share in the Base Case projection. With shares currently trading at $2.83, this represents a potential HIDDEN relative to our calculated worth for Spero Therapeutics, Inc..

Intrinsic Value
Current Price: $2.83

Owner Earnings Valuation Tool

Warren Buffett's Owner Earnings DCF analysis for intrinsic value calculation

Historical Financial Data

Base year metrics used for projections

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Projection Settings

Forecast period and terminal assumptions

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DCF Valuation Summary

Calculation flow from present value to intrinsic value per share

Present Value-$947.7M
+ Cash & Equivalents$40.3M
Firm Value-$907.5M
- Debt$2.9M
Equity Value-$910.4M
/ Shares Outstanding56,275,225B
DCF Value-$16
OVERVALUED BY 672%

Owner Earnings Projections

Operating Cash Flow - Maintenance CapEx = Owner Earnings

Metric
Year 1
Year 2
Year 3
Year 4
Year 5
Year 6
Year 7
Year 8
Year 9
Year 10
Operating Cash Flow
-$18.5M
-$27.0M
-$39.4M
-$57.6M
-$84.2M
-$123.0M
-$179.8M
-$262.8M
-$384.1M
-$561.4M
Maintenance CapEx
-$0
-$0
-$0
-$0
-$0
-$0
-$0
-$0
-$0
-$0
Owner Earnings
-$18.5M
-$27.0M
-$39.4M
-$57.6M
-$84.2M
-$123.0M
-$179.8M
-$262.8M
-$384.1M
-$561.4M
Discount Factor
0.926
0.857
0.794
0.735
0.681
0.630
0.583
0.540
0.500
0.463
Present Value
-$17.1M
-$23.1M
-$31.3M
-$42.3M
-$57.3M
-$77.5M
-$104.9M
-$142.0M
-$192.1M
-$260.0M
Terminal Value represents 0.0% of Enterprise Value
Negative Owner Earnings
This company generates negative free cash flow. Consider adjusting maintenance CapEx percentage or check the financial data.