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Symbols
Price
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Mkt Cap
SIXB
Materials
SIXB
Materials
SIXB
+0.25%
1,104.10
+2.73
+0.25%
—1,101.371,103.631,105.311,091.41——
SIXC
Communications
SIXC
Communications
SIXC
-1.50%
604.16
-9.19
-1.50%
—613.35613.35613.35601.49——
SIXE
Energy
SIXE
Energy
SIXE
-0.09%
1,197.81
-1.02
-0.09%
—1,198.831,199.681,199.751,182.41——
SIXI
Industrials
SIXI
Industrials
SIXI
-0.88%
1,740.41
-15.54
-0.88%
—1,755.951,754.061,756.031,734.69——
SIXM
Financials
SIXM
Financials
SIXM
-0.64%
634.44
-4.07
-0.64%
—638.51637.41637.41633.05——
SIXR
Staples
SIXR
Staples
SIXR
-0.31%
840.90
-2.62
-0.31%
—843.52843.35846.40837.93——
SIXRE
Real estate
SIXRE
Real estate
SIXRE
-0.38%
215.13
-0.82
-0.38%
—215.95215.95216.84215.06——
SIXT
Technology
SIXT
Technology
SIXT
+2.86%
3,228.71
+89.80
+2.86%
—3,138.913,189.303,230.853,174.76——
SIXU
Utilities
SIXU
Utilities
SIXU
+0.16%
935.87
+1.50
+0.16%
—934.37934.72938.26927.50——
SIXV
Health care
SIXV
Health care
SIXV
-1.37%
1,457.12
-20.31
-1.37%
—1,477.431,474.121,474.121,451.80——
SIXY
Discretionary
SIXY
Discretionary
SIXY
+0.83%
2,399.84
+19.65
+0.83%
—2,380.192,389.342,403.042,380.47——
SPRO:NASDAQ
Spero Therapeutics Inc
$2.74
-2.14%
(-0.060) 1D
Apr 24, 4:00:00 PM GMT-4  ·   USD
All symbols
SymbolPriceChange% Change
Generating top insights for SPRO...
Open
$2.82
High
$2.82
Low
$2.74
Mkt. cap
158.62M
Avg. vol.
420.11K
Volume
0.00
P/E ratio
18.87
52-wk high
$3.22
52-wk low
$0.57
EPS
$0.15
Beta
1.45
Shares outstanding
57.89M
No. of employees
25
News stories
From sources across the web
About Spero Therapeutics Inc
CEO-
Employees25
Founded2013
Headquarters-
SectorBiotechnology
Websitesperotherapeutics.com
Last report
Mar 26, 2026
Fiscal Period
Q4 2025
Normalized EPS / Estimate
0.53/ (-0.01 est.)USD
+5,400.00%beat
Revenue / Estimate
41.30M/ (0.00 est.)USD
0.00%miss
Fiscal Q4 2025 earnings call
Waiting for the earnings call
At a glanceInsights from the latest news and reports
Previous reportsAll values in USD
Loading Previous Earnings...
Income statement
Revenue
Net income
All values in USD
Mar 2025
Jun 2025
Sep 2025
Dec 2025
Revenue
5.87M
14.19M
5.44M
41.30M
Cost of goods sold
13.61M
10.67M
8.60M
5.59M
Cost of revenue
13.61M
10.67M
8.60M
5.59M
Research and development expenses
-
-
-
-
Total research and development expenses
-
-
-
-
Selling, general, and admin expenses
6.82M
5.88M
4.17M
4.30M
Operating expense
6.82M
5.88M
4.17M
4.30M
Total operating expenses
20.43M
16.55M
12.77M
9.89M
Operating income
-14.56M
-2.36M
-7.33M
31.40M
Other non operating income
1.00K
4.00K
2.00K
-
EBT including unusual items
-13.87M
-1.70M
-7.38M
31.78M
EBT excluding unusual items
-13.69M
-1.62M
-6.80M
31.78M
Income tax expense
-
-
-
261.00K
Effective tax rate
-
-
-
0.82%
Other operating expenses
-
-
-
-
Net income
-13.87M
-1.70M
-7.38M
31.52M
Net profit margin
-236.06%
-11.98%
-135.65%
76.33%
Earnings per share
-0.25
-
-
-
Interest and investment income
864.00K
740.00K
532.00K
376.00K
Interest expense
-
-
-
-
Net interest expenses
864.00K
740.00K
532.00K
376.00K
Depreciation and amortization charges
-
-
-
-
EBITDA
-14.56M
-2.36M
-7.33M
31.41M
Gain or loss from assets sale
-
-
-
-
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