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Spero Therapeutics, Inc. Share Price

Spero Therapeutics, Inc. Share Price

NASDAQ: SPRO | Micro Cap
$1.27
+0.00 (0.00%) Last updated on 08 Aug, 2026 | 01:29 IST
  • Performance
  • Chart
  • Fundamentals
  • Quarterly P&L
  • Annual P&L
  • About
  • Price history
  • FAQs

Spero Therapeutics, Inc. Stock Performance

Open
$1.27
Prev. Close
$1.27
Circuit Range
N/A
Day Range
$1.25 - $1.27
Year Range
$1.08 - $3.07
Volume
19,326
Average Traded
$1.26

Spero Therapeutics, Inc. Share Price Today

As of 10 August 2026, Spero Therapeutics, Inc.'s share price is $1.27. The stock opened at $1.27, compared to its previous close of $1.27. During today's trading session, Spero Therapeutics, Inc.'s share price traded between $1.25 and $1.27, with an average price of $1.26. Over the past 52 weeks, the stock has recorded a high of $3.07 and a low of $1.08. In terms of performance, Spero Therapeutics, Inc.'s share price has declined by 41.74% over the last six months and is down 38.65% on a year-on-year basis.

Spero Therapeutics, Inc. Share Price Chart

$1.25$1.27
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Spero Therapeutics, Inc. Stock Fundamentals & Key Indicators

Market Cap
$71.15M
PE Ratio (TTM)
8.47
Dividend Yield
N/A
EPS (TTM)
$0.15
Revenue (TTM)
$12.59M
Return On Equity (TTM)
14.97%
Profit Margin
70.18%
Debt to Equity
0.15
Quarterly Earnings Growth YoY
56.95%

Spero Therapeutics, Inc. Quarterly Profit & Loss

All figures in USD

ParticularsMar 2024Jun 2024Sep 2024Mar 2025Jun 2025Sep 2025
RevenueN/A$10.20M$13.47M$5.87M$14.19M$5.44M
Net Profit-$12.67M-$17.86M-$17.15M-$13.87M-$1.70M-$7.38M
Net Profit MarginN/A-175.17%-127.31%-236.06%-11.98%-135.65%
Income ChangeN/A-40.99%4.00%19.13%87.74%-334.24%

Spero Therapeutics, Inc. Annual Profit & Loss

All figures in USD

Particulars20212022202320242025
Revenue$18.26M$53.51M$103.78M$47.98M$66.80M
Net Profit-$89.76M-$46.41M$22.81M-$68.57M$8.57M
Net Profit Margin-491.65%-86.74%21.98%-142.91%12.83%
Income ChangeN/A48.29%149.13%-400.65%112.50%

About Spero Therapeutics, Inc.

Spero Therapeutics, Inc., a clinical-stage biopharmaceutical company, focuses on identifying and developing novel treatments for multi-drug resistant (MDR) bacterial infections and rare diseases in the United States. The company's product candidates include Tebipenem HBr (tebipenem pivoxil hydrobromide), an oral carbapenem-class antibiotic to treat complicated urinary tract infections, including pyelonephritis for adult patients, which is in Phase 3 development; and SPR720, a novel product candidate for first-line treatment of nontuberculous mycobacterial (NTM) pulmonary disease. It has license agreement with Meiji Seika Pharma Co., Ltd. to support the development of tebipenem HBr; Everest Medicines to develop, manufacture, and commercialize SPR206 in Greater China, South Korea, and Southeast Asian countries; and Vertex Pharmaceuticals Incorporated for patents relating to the oral prodrug SPR720, as well as SPR719, an active metabolite. Spero Therapeutics, Inc. was founded in 2013 and is headquartered in Cambridge, Massachusetts.

Spero Therapeutics, Inc. Historical Returns

MonthOpenCloseChange %
Aug 2026
$1.18
$1.27
+7.63%
Jul 2026
$2.22
$1.18
-46.49%
Jun 2026
$2.81
$2.21
-21.81%
May 2026
$2.60
$2.82
+12.13%
Apr 2026
$2.41
$2.52
+7.48%
Mar 2026
$2.15
$2.34
+7.34%
Feb 2026
$2.16
$2.18
-0.23%
Jan 2026
$2.33
$2.19
-6.22%
Dec 2025
$2.31
$2.33
-2.92%
Nov 2025
$2.45
$2.40
-1.23%
Oct 2025
$1.92
$2.43
+28.57%
Sep 2025
$2.06
$1.89
-8.70%

SPRO Share Price FAQs

What is Spero Therapeutics, Inc. share price today?

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Spero Therapeutics, Inc. share price today is $1.27 as on August 8, 2026 at 1:29 am IST.

What is the 52 week high and 52 week low of Spero Therapeutics, Inc. stock?

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The 52 week high of Spero Therapeutics, Inc. stock is $3.07, while the 52 week low is $1.08 as of 8 Aug '26.

What is SPRO's market capitalisation today?

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SPRO market capitalisation is $71.15M as of August 10, 2026, at 5:37 am IST.

What is SPRO's net income for the last quarter?

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SPRO's net income for the last quarter is -0.01B USD.

What is the 5 year returns of SPRO?

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The 5 year returns of SPRO is -93.40% as on 8 Aug '26.

What is the high & low stock price of SPRO today?

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SPRO stock price hit a high of $1.27 and low of $1.25 as of 8 Aug '26.

Can I buy SPRO shares in India?

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Yes. You can buy SPRO in India by opening an international trading account.