Spero Therapeutics, Inc.

Spero Therapeutics, Inc.

SPROยทNASDAQ

$2.98

+5.9%
HealthcareBiotechnology

Spero Therapeutics, Inc., a clinical-stage biopharmaceutical company, focuses on identifying, developing, and commercializing treatments for multi-drug resistant (MDR) bacterial infections and rare diseases in the United States. The company's product candidates include tebipenem pivoxil hydrobromide (HBr), an oral carbapenem-class antibiotic to treat complicated urinary tract infections, including pyelonephritis for adults; SPR206, a direct acting IV-administered agent to treat MDR Gram-negative bacterial infections in the hospital; and SPR720, an oral antibiotic for the treatment of non-tuberculous mycobacterial pulmonary disease. It has license agreement with Meiji Seika Pharma Co., Ltd. to support the development of tebipenem HBr; license agreement with Everest Medicines to develop, manufacture, and commercialize SPR206 in Greater China, South Korea, and Southeast Asian countries; collaboration agreement with Bill & Melinda Gates Medical Research Institute to develop SPR720 for the treatment of lung infections caused by Mycobacterium tuberculosis; and license agreement with Vertex Pharmaceuticals Incorporated for patents relating to SPR720, as well as SPR719, an active metabolite. The company was founded in 2013 and is headquartered in Cambridge, Massachusetts.

At a Glance

Live Snapshot
Market Cap$172.55M
EPS0.1500
P/E Ratio19.87
Earnings Date08/11/2026
spro

Spero Therapeutics, Inc. Street Expectations Map

SPRO ยท NASDAQ

No Target Data

No analyst price targets available for spro.

spro

Spero Therapeutics, Inc. Forward Estimates of Revenue

SPRO ยท NASDAQ
Latest Revenue
59.62M
FY 2025
Avg Estimate
800.00K
FY 2026
Estimate Range
800.00K - 800.00K
Analyst Spread

Forward Growth Analysis

Projected Growth-98.7%

Significant contraction projectedโ€”major business challenges or industry disruption likely.

Analyst Coverage1 Analysts

Limited coverage may indicate reduced institutional interest or information availability.

Estimate Spread0%

Narrow estimate range signals strong analyst consensus and predictable business outlook.

OutlookNeutral

Mixed signalsโ€”some positive indicators offset by concerns about growth or uncertainty.

Key Insight

Limited coverage with volatile estimates: Few analysts covering despite significant projected changes may indicate information gaps or emerging risks.

spro

Spero Therapeutics, Inc. Forward Estimates of Net Income

SPRO ยท NASDAQ
Latest Net Income
8.57M
FY 2025
Avg Estimate
36.21M
FY 2026
Estimate Range
36.21M - 36.21M
Analyst Spread

Forward Growth Analysis

Projected Growth+322.4%

Strong growth expectations signal robust business momentum and market opportunity expansion.

Analyst Coverage1 Analysts

Limited coverage may indicate reduced institutional interest or information availability.

Estimate Spread0%

Narrow estimate range signals strong analyst consensus and predictable business outlook.

OutlookPositive

Generally favorable outlook with reasonable growth prospects and analyst support.

Key Insight

Limited coverage with volatile estimates: Few analysts covering despite significant projected changes may indicate information gaps or emerging risks.

spro

Spero Therapeutics, Inc. Forward Estimates of EPS

SPRO ยท NASDAQ
Latest EPS
0.15
FY 2025
Avg Estimate
$0.67
FY 2026
Estimate Range
$0.67 - $0.67
Analyst Spread

Forward Growth Analysis

Projected Growth+346.7%

Strong growth expectations signal robust business momentum and market opportunity expansion.

Analyst Coverage1 Analysts

Limited coverage may indicate reduced institutional interest or information availability.

Estimate Spread0%

Narrow estimate range signals strong analyst consensus and predictable business outlook.

OutlookPositive

Generally favorable outlook with reasonable growth prospects and analyst support.

Key Insight

Limited coverage with volatile estimates: Few analysts covering despite significant projected changes may indicate information gaps or emerging risks.

spro

Spero Therapeutics, Inc. Forward Estimates of EBIT

SPRO ยท NASDAQ
Latest EBIT
-24.00K
FY 2025
Avg Estimate
-583.00K
FY 2026
Estimate Range
-583.00K - -583.00K
Analyst Spread

Forward Growth Analysis

Projected Growth-2329.1%

Significant contraction projectedโ€”major business challenges or industry disruption likely.

Analyst Coverage1 Analysts

Limited coverage may indicate reduced institutional interest or information availability.

Estimate Spread0%

Narrow estimate range signals strong analyst consensus and predictable business outlook.

OutlookNeutral

Mixed signalsโ€”some positive indicators offset by concerns about growth or uncertainty.

Key Insight

Limited coverage with volatile estimates: Few analysts covering despite significant projected changes may indicate information gaps or emerging risks.

spro

Spero Therapeutics, Inc. Forward Estimates of EBITDA

SPRO ยท NASDAQ
Latest EBITDA
-24.00K
FY 2025
Avg Estimate
-579.57K
FY 2026
Estimate Range
-579.57K - -579.57K
Analyst Spread

Forward Growth Analysis

Projected Growth-2314.9%

Significant contraction projectedโ€”major business challenges or industry disruption likely.

Analyst Coverage1 Analysts

Limited coverage may indicate reduced institutional interest or information availability.

Estimate Spread0%

Narrow estimate range signals strong analyst consensus and predictable business outlook.

OutlookNeutral

Mixed signalsโ€”some positive indicators offset by concerns about growth or uncertainty.

Key Insight

Limited coverage with volatile estimates: Few analysts covering despite significant projected changes may indicate information gaps or emerging risks.

spro

Spero Therapeutics, Inc. Forward Estimates of SG&A Expense

SPRO ยท NASDAQ
Latest SG&A Expense
21.18M
FY 2025
Avg Estimate
2.78M
FY 2026
Estimate Range
2.78M - 2.78M
Analyst Spread

Forward Growth Analysis

Projected Growth-86.9%

Significant contraction projectedโ€”major business challenges or industry disruption likely.

Analyst Coverage1 Analysts

Limited coverage may indicate reduced institutional interest or information availability.

Estimate Spread0%

Narrow estimate range signals strong analyst consensus and predictable business outlook.

OutlookNeutral

Mixed signalsโ€”some positive indicators offset by concerns about growth or uncertainty.

Key Insight

Limited coverage with volatile estimates: Few analysts covering despite significant projected changes may indicate information gaps or emerging risks.

spro

Spero Therapeutics, Inc. Insider Positioning

SPRO ยท NASDAQ

During the last 12 months, insiders have sold $404K worth of SPRO shares, with no buying activity reported.

3 Months

Bought

0

0.00

Sold

25.2K

63.35K

Net Activity

-63K

-$63K

3-6 Months

Bought

0

0.00

Sold

102.1K

229.30K

Net Activity

-229K

-$229K

6-9 Months

Bought

0

0.00

Sold

40.3K

95.44K

Net Activity

-95K

-$95K

9-12 Months

Bought

0

0.00

Sold

8.3K

16.29K

Net Activity

-16K

-$16K

Top Buyers

No buying activity

Top Sellers

1
RE

Rajavelu Esther

Officer: See Remarks

121.1K sharesโ€ข4 transactions

$287K

2
KT

Keutzer Timothy

Officer: Chief Operating Officer

48.3K sharesโ€ข4 transactions

$105K

3
MA

Mahadevia Ankit

Director

6.6K sharesโ€ข1 transactions

$13K

Insider Activity Analysis

Net Insider Sentiment

Bearish

Strong bearish signal with $404K net selling. Heavy insider selling may indicate concerns about valuation or near-term prospects.

Buy/Sell Ratio

0.00:1

Very poor ratio. Heavy selling with minimal buying suggests insiders may be concerned about valuation or outlook.

Recent Trend (3 Months)

$63K

Heavy recent selling activity. Recent insider sales notably exceed purchasesโ€”may warrant investigation into company developments.

Insider Participation

High Selling

3 insider sellers vs. 0 buyers. Widespread selling across multiple insiders may signal concerns.

Insider Activity Insight

Multiple red flags: Heavy selling, numerous sellers, and continued recent selling create a concerning pattern. Investigate fundamental drivers and consider whether company guidance or industry conditions have deteriorated.