Spero Therapeutics

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About SPRO

Spero Therapeutics, Inc. is a clinical-stage biopharmaceutical company, which focuses on identifying, developing, and commercializing treatments involving bacterial infections, including multi-drug resistant bacterial infections, and rare diseases Its pipeline product candidates include Tebipenem HBr, SPR720, and SPR206. The company was founded by Ankit A. 

CEO
Esther Rajavelu
CEOEsther Rajavelu
Employees
25
Employees25
Headquarters
Cambridge, Massachusetts
HeadquartersCambridge, Massachusetts
Founded
2013
Founded2013
Employees
25
Employees25

SPRO Key Statistics

Market cap
69.88M
Market cap69.88M
Price-Earnings ratio
10.90
Price-Earnings ratio10.90
Dividend yield
—
Dividend yield—
Average volume
1.24M
Average volume1.24M
High today
$1.21
High today$1.21
Low today
$1.17
Low today$1.17
Open price
$1.20
Open price$1.20
Volume
332.59K
Volume332.59K
52 Week high
$3.08
52 Week high$3.08
52 Week low
$1.08
52 Week low$1.08

Stock Snapshot

The current Spero Therapeutics(SPRO) stock price is $1.20, with a market capitalization of 69.88M. The stock trades at a price-to-earnings (P/E) ratio of 10.90.

On 2026-09-30, Spero Therapeutics(SPRO) stock moved within a range of $1.17 to $1.21. With shares now at $1.20, the stock is trading +2.6% above its intraday low and -0.8% below the session's peak.

Trading activity shows a volume of 332.59K, compared to an average daily volume of 1.24M.

Over the past 52 weeks, Spero Therapeutics(SPRO) stock has traded between a high of $3.08 and a low of $1.08.

Over the past 52 weeks, Spero Therapeutics(SPRO) stock has traded between a high of $3.08 and a low of $1.08.

SPRO News

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Discover Spero Therapeutics Alongside Two Promising Penny Stocks

In the last week, the market has been flat, but over the past 12 months, it has risen by 14%, with earnings forecasted to grow by 18% annually. Penny stocks may...

Discover Spero Therapeutics Alongside Two Promising Penny Stocks

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