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Equity sectors
Symbols
Symbols
Price
Change
% Change
Trend
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Open
High
Low
Volume
Mkt Cap
SIXB
Materials
SIXB
Materials
SIXB
+0.28%
1,085.81
+3.01
+0.28%
—1,082.801,079.311,090.181,079.31——
SIXC
Communications
SIXC
Communications
SIXC
+0.65%
607.69
+3.92
+0.65%
—603.77603.77611.65602.09——
SIXE
Energy
SIXE
Energy
SIXE
-1.55%
1,192.38
-18.81
-1.55%
—1,211.191,203.051,203.481,182.72——
SIXI
Industrials
SIXI
Industrials
SIXI
+0.02%
1,756.39
+0.40
+0.02%
—1,755.991,759.061,761.741,747.23——
SIXM
Financials
SIXM
Financials
SIXM
-0.82%
633.27
-5.24
-0.82%
—638.51637.93640.10631.89——
SIXR
Staples
SIXR
Staples
SIXR
+1.12%
852.42
+9.46
+1.12%
—842.96843.54858.44843.54——
SIXRE
Real estate
SIXRE
Real estate
SIXRE
-0.22%
218.79
-0.49
-0.22%
—219.28219.28220.58218.64——
SIXT
Technology
SIXT
Technology
SIXT
-0.45%
3,711.69
-16.66
-0.45%
—3,728.353,745.063,745.063,675.02——
SIXU
Utilities
SIXU
Utilities
SIXU
-0.48%
911.05
-4.43
-0.48%
—915.48914.49915.84907.90——
SIXV
Health care
SIXV
Health care
SIXV
+0.22%
1,500.66
+3.30
+0.22%
—1,497.361,500.651,514.701,495.89——
SIXY
Discretionary
SIXY
Discretionary
SIXY
+1.73%
2,454.96
+41.79
+1.73%
—2,413.172,431.692,463.522,431.69——
SPRO:NASDAQ
Spero Therapeutics Inc
$2.93
+2.45%
(+0.070) 1D
$2.90
-1.02% (-0.030)
After hours
Closed: May 27, 4:00:01 PM GMT-4  ·   USD
All symbols
SymbolPriceChange% Change
Generating top insights for SPRO...
Open
$2.86
High
$3.08
Low
$2.81
Mkt. cap
169.65M
Avg. vol.
555.30K
Volume
1.77M
P/E ratio
16.98
52-wk high
$3.22
52-wk low
$1.80
EPS
$0.17
Beta
1.44
Shares outstanding
57.90M
No. of employees
25
News stories
From sources across the web
About Spero Therapeutics Inc
CEO-
Employees25
Founded2013
Headquarters-
SectorBiotechnology
Websitesperotherapeutics.com
Last report
May 13, 2026
Fiscal period
Q1 2026
EPS / Est. (USD)
-$0.13 / -$0.20
+35.00%beat
Revenue / Est. (USD)
258.00K / -
0.00%miss
Fiscal Q1 2026 earnings call
Waiting for the earnings call
At a glance
Insights from the latest news and reports
Previous reportsAll values in USD
Loading Previous Earnings...
Income statement
Revenue
Net income
All values in USD
Jun 2025
Sep 2025
Dec 2025
Mar 2026
Revenue
14.19M
5.44M
41.30M
258.00K
Cost of goods sold
10.67M
8.60M
5.59M
-
Cost of revenue
10.67M
8.60M
5.59M
-
Research and development expenses
-
-
-
2.91M
Total research and development expenses
-
-
-
-
Selling, general, and admin expenses
5.88M
4.17M
4.30M
4.89M
Operating expense
5.88M
4.17M
4.30M
7.80M
Total operating expenses
16.55M
12.77M
9.89M
7.80M
Operating income
-2.36M
-7.33M
31.40M
-7.54M
Other non operating income
4.00K
2.00K
-
-1.00K
EBT including unusual items
-1.70M
-7.38M
31.78M
-7.20M
EBT excluding unusual items
-1.62M
-6.80M
31.78M
-7.20M
Income tax expense
-
-
261.00K
-
Effective tax rate
-
-
0.82%
-
Other operating expenses
-
-
-
-
Net income
-1.70M
-7.38M
31.52M
-7.20M
Net profit margin
-11.98%
-135.65%
76.33%
-2,791.86%
Earnings per share
-
-
-
-
Interest and investment income
740.00K
532.00K
376.00K
336.00K
Interest expense
-
-
-
-
Net interest expenses
740.00K
532.00K
376.00K
336.00K
Depreciation and amortization charges
-
-
-
-
EBITDA
-2.36M
-7.33M
31.41M
-
Gain or loss from assets sale
-
-
-
-
Insider transactions
Insider transactions data is drawn from third-party sources. Learn more
Insider
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Date
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