MARKETS / NASDAQ / SPRO
NASDAQ · PHARMACEUTICAL PREPARATIONS · SMALL CAP

Spero Therapeutics, Inc. SPRO

11 fiscal years on record · USD · FY2025 reported
SEC FILINGS ONLY
Revenue · FY2025
$12.6M
▲ 3292.5% vs FY2024
EPS · FY25
$0.15
Dividend / sh · FY25
Payout · FY25
ROE · FY25
16.3%
Net margin · FY25
68.1%
Dividend coverage
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Result
USD 12.6M
Revenue, FY2025 · full 11-year series below
Revenue Net income
0.0040.0080.0120.0160.00.020152018202120242025
0.0040.0080.0120.0160.00.02016201920222025

68 cents of every revenue dollar became profit this year.

Per share
USD 0.15
Diluted EPS, FY2025
EPS
0.40.81.20.1520152018202120242025
0.40.81.20.152016201920222025

The company pays no cash dividend.

Profitability
16.3%
Return on equity, FY2025
ROE
816243216.3%20152018202120242025
816243216.3%2016201920222025
Operating margin50.2%
Net margin68.1%
Return on assets9.6%

Each USD of equity produced 16 cents of profit this year.

Returned to shareholders
returned in FY2025 · dividends + net buybacks
Dividends paid
Net buybacks
Share of profit
Consecutive raises

Growth
+117.6% a year
revenue, compounded over five years
CAGR
3 yrs
5 yrs
10 yrs
15 yrs
Revenue
+71.3%
+117.6%

Compound annual rates per period — left blank where the series crosses a loss.

Share base
0.06B
Shares outstanding, FY2025
0.000.0620152018202120242025
0.000.062016201920222025
Change, 5 years
Change, 10 years

A share split breaks the comparison across the period, so we leave it out.

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Balance sheet
USD 68.9M
total assets, end of FY2025
Total assetsUSD 68.9M
EquityUSD 59.0M
CashUSD 40.3M
Current ratio7.59×

Equity funds 86% of total assets.

History
11 fiscal years
Every figure from documents filed with the SEC · USD
Metric
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
Revenue $B
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
·
Operating income $B
0.0
−0.1
0.0
−0.0
−0.1
−0.1
−0.1
−0.0
−0.0
−0.0
−0.0
EBITDA $B
0.0
−0.1
0.0
−0.0
−0.1
−0.1
−0.1
−0.0
−0.0
−0.0
−0.0
Income tax $B
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Net income $B
0.0
−0.1
0.0
−0.0
−0.1
−0.1
−0.1
−0.0
−0.0
−0.0
−0.0
EPS, diluted $
0.15
−1.27
0.43
−1.23
−2.91
−3.52
−3.35
−2.60
−17.82
−95.87
−53.11
Dividend / sh $
·
·
·
·
·
·
·
·
·
·
·
Payout %
·
·
·
·
·
·
·
·
·
·
·
ROE %
16.3
−89.6
24.9
−56.5
−81.5
−75.8
−64.1
−41.7
−197.9
·
·
Shares out B
0.06
0.05
0.05
0.05
0.03
0.03
0.02
0.02
0.00
0.00
·

Slide the table for earlier years · "·" marks figures not disclosed in the filing for that year.

How we verifyAUDITED
31 of 31
checks passed before publication
EPS recomputationBalance-sheet identityGross profitBalance-sheet liquidity

Every figure was compared against the original statement: 0 failures and 0 presentation gaps.

What we don’t show

We’d rather say what’s missing than fill the gap with an estimate.

P/E rationeeds a market quote — not yet licensed
Market capitalizationneeds a market quote — not yet licensed
Dividend yieldneeds a market quote — not yet licensed
Price-to-bookneeds a market quote — not yet licensed