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SPRONasdaqPharmaceutical PreparationsFiscal year ends December 31

Spero Therapeutics, Inc.

Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 12, 2026
$1.12+0.02 (+1.82%)

Close on Oct 19, 2026

Market cap
$64.92M
P/E (TTM)
28.0
Dividend yield
–

Share price

−$1.09 (−49.32%)past year

Daily closes, adjusted for splits. Drag across the chart to measure a change.Earnings

Spero Therapeutics, Inc. saw revenue fall 3.3% to $47.00M over the twelve months to Jun 30, 2026.

Revenue
$47.00M
-3.3% vs. a year earlier
Operating income
$6.03M
TTM Q2 2026
EPS, diluted
$0.04
TTM Q2 2026

Key statistics

Valuation at the latest close; fundamentals over the trailing twelve months, balances at Jun 30, 2026

Valuation

Market cap
$64.92M
P/E ratio
28.0
Price to sales
1.38
Price to book
1.47
Dividend yield
–
Free cash flow yield
–

Fundamentals

Revenue
$47.00M
Net income
$7.38M
EPS, diluted
$0.04
Book value per share
$0.76
Diluted shares
58M

Twelve years at a glance

Fiscal years 2014 to 2025 and trailing twelve months, USD

Revenue

$47.00M-3.3% YoY

Operating income

$6.03M

Net income

$7.38M

EPS, diluted

$0.04

Free cash flow

–
Reported periodTrailing twelve months