SPRO

Spero Therapeutics
$1.18
−$0.01 (−0.84%)Jul 27, 2026
8.3GreatMoatMint rating

MoatMint rates Spero Therapeutics (SPRO) 8.3 out of 10, a research rating of the company's quality, value, growth, momentum and financial health. Its quality rating is 9.2 out of 10.

Key metrics

The numbers that frame SPRO today
Market cap
$68.32M
P/E (TTM)
4.5
EV / FCF
2.0
Gross margin
100%
EV / Sales
0.2
ROIC
165.7%
Div yield
0%
Debt / equity
0.0
52wk Low
$1.08
52wk High
$3.08

SPRO stock rating

How SPRO scores on quality, value, growth, momentum and financial health
8.3out of 10
Great overallFair business, attractive priceTop 17% of ~5,000 US stocksMicrocap - low investability
QualityGreat9.2/10
GrowthNeutral4.0/10
MomentumFair2.9/10
ValueGreat10/10
Financial HealthGreat8.7/10

Growth

Revenue and earnings trend for SPRO
RevenueNet income
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Cash flow & returns

Free cash flow and financial health
Free cash flowNet debt
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Insider trading

Recent insider buying and selling activity
PurchasesSales
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Frequently asked questions

Plain-English answers about SPRO
Is Spero Therapeutics a good buy?
Hold. Spero Therapeutics has excellent quality, but poor momentum makes the setup mixed. Growth looks weak. That could put pressure on the long-term business case. We think Spero Therapeutics is selling at a low price.
What is the market capitalization of SPRO?
Spero Therapeutics's market capitalization is $68.32M.
What is the P/E ratio for SPRO stock?
Spero Therapeutics's current P/E ratio is 4.5.
What is the 52-week high for SPRO stock?
The 52-week high for Spero Therapeutics is $3.08. The current close of $1.18 is 61.7% below that high.
What is the 52-week low for SPRO stock?
The 52-week low for Spero Therapeutics is $1.08. The current close of $1.18 is 9.3% above that low.
Does SPRO stock pay dividends?
Spero Therapeutics does not currently show a dividend per share in the company data.
What is the Debt / Equity ratio for SPRO?
Spero Therapeutics's Debt / Equity ratio is 0.05.