Spero Therapeutics, Inc.

SPRO Healthcare Biotechnology

Spero Therapeutics, Inc.’s revenue for fiscal 2025 (year ended December 2025) was $66.8 million, up 39.2% from fiscal 2024. In the quarter to June 2026, revenue fell 95.6%, EPS fell 433.3% and free cash flow grew 69.7%, each against the same quarter a year earlier. Dividend growth for five consecutive years.

1.10 0.03 −2.65%
Market cap
$65.8M
P/E
7.9×
Fwd P/E
4.2×
Dividend yield
—
F-score
5/9
Altman Z
1.04
Beneish M
−1.00
Dividend safety
n/a

Spero Therapeutics, Inc. (SPRO) EV/Sales

Alert me on EV/Sales

As of 16 October 2026, Spero Therapeutics, Inc. (SPRO) trades at a EV/Sales of 0.2×. Over the past ten years it has ranged from −31.1× (February 2018) to 60.5× (April 2018); the current reading is higher than 37% of that period. That is below the Biotechnology industry median of 9.2× and below the Healthcare sector median of 3.4×.

EV/Sales, daily

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Annual newest first

Period EV/Sales Change
FY2025 1.4× 2,241.77%
FY2024 0.1× 58.52%
FY2023 0.0× —
FY2022 −0.8× —
FY2021 19.1× (42.06%)
FY2020 32.9× 544.73%
FY2019 5.1× —
FY2018 −4.3× —
FY2017 −28.2× —
FY2016 0.0× —

Quarterly newest first

Period EV/Sales Change
Mar 2026 1.3× (5.77%)
Dec 2025 1.4× (4.20%)
Sep 2025 1.4× (47.81%)
Jun 2025 2.7× —
33 more quarters

Against its own ten years

Low −31.1× High 60.5×
Ten-year median 2.0×
Current reading's percentile 11

EV/Sales against peers

What EV/Sales is

EV/Sales tells an investor how the value of a whole company, counting its debt and cash, compares with the sales it brings in.

((Stock Price × Shares (Basic, Weighted) (latest quarter)) + (Long Term Debt (Total) (latest quarter) + Current Part of Debt (latest quarter)) − Cash & Short Term Investments (latest quarter)) ÷ Revenue (TTM)

The full definition of EV/Sales →

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