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Spero Therapeutics, Inc.

SPRO Health Care Biotechnology: Pharmaceutical Preparations
$1.27
Today
as of Jul 22, 16:54 ET
Last 30 days -55.44% Jun 12 → Jul 22
$1.14 $1.61 $2.09 $2.57 $3.04 Jun 12 Jun 22 Jun 29 Jul 08 Jul 15 Jul 22
Open
$3.00
High
$3.00
Low
$2.76
Volume
$751,625
Avg Vol
$618,311
Mkt Cap
$83M
P/E (TTM)
Beta
52w High
$3.22
52w Low
$1.80
Div Yield
Shares Out
$58M

Recent Press Releases & News last 60 days · 10 items

▸ Show all 10 press releases & news Free account →

Overview

52-week range
$1.80
$3.22
0% of range
Avg surprise (last 2)
+73.3%
Avg reaction (last 2)
+4.6%
50% positive
Latest IV / EM
688%
EM ±157.5% · $3 · Aug 21

Earnings trends

EPS — actual vs estimate Actual Estimate
$-0.55$-0.42$-0.29$-0.16$-0.03 Actual $-0.23Actual $-0.06Actual $-0.24Actual $-0.33Actual $-0.32Actual $-0.25Est $-0.55Actual $-0.03Est $-0.38Actual $-0.13Actual $-0.13 JunSepMarJunSepMar/2025Jun/2025SepMar/2026
Revenue vs Net Income Revenue Net income
$-18M$-10M$-1M$7M$15M Jun 24Sep 24Mar 25Jun 25Sep 25Mar 26

Earnings history

DatePeriodActual EPSEstSurpriseYoY %ΔDay reactSource
Wed May 13, 2026Mar/2026 $-0.13 +48.0% -3.9% earnings
Tue Sep 30, 2025Sep 2025 $-0.13 financials
Tue Aug 12, 2025Jun/2025 $-0.03 $-0.38 +92.1% earnings
Tue May 13, 2025Mar/2025 $-0.25 $-0.55 +54.5% +13.1% earnings
Mon Sep 30, 2024Sep 2024 $-0.32 financials
Sun Jun 30, 2024Jun 2024 $-0.33 financials
Sun Mar 31, 2024Mar 2024 $-0.24 financials
Sat Sep 30, 2023Sep 2023 $-0.06 financials
Fri Jun 30, 2023Jun 2023 $-0.23 financials

Upcoming

DateFiscalTimeEPS EstLY EPSYoY %Δ
Tue Aug 11, 2026Jun/2026OTHER -$0.03

Financials

Income statement (quarterly)

MetricMar 2026Dec 2025Sep 2025Jun 2025Mar 2025Dec 2024Sep 2024Jun 2024
Revenue$258,000$5M$14M$6M$13M$10M
Cost of revenue
Gross profit
Operating income$-8M$-8M$-2M$-15M$-19M$-19M
Net income$-7M$-7M$-2M$-14M$-17M$-18M
EPS (diluted)$-0.13$-0.13$-0.03$-0.25$-0.32$-0.33

Balance sheet (quarterly)

MetricMar 2026Dec 2025Sep 2025Jun 2025Mar 2025Dec 2024Sep 2024Jun 2024
Cash & equivalents$56M$40M$49M$31M$49M$53M$76M$64M
Inventory
Total current assets$58M$67M$52M$59M$75M$107M$132M$122M
Total assets$59M$69M$54M$62M$78M$111M$135M$150M
Long-term debt
Total liabilities$6M$10M$28M$29M$44M$64M$70M$69M
Total equity$53M$59M$26M$33M$34M$46M$66M$80M

Implied volatility — last 90 days

124%893%1663%2433%3202% Jun 08 — IV 173% · EM ±22.8%Jun 09 — IV 181% · EM ±22.6%Jun 10 — IV 142% · EM ±16.7%Jun 11 — IV 176% · EM ±19.4%Jun 12 — IV 190% · EM ±19.4%Jun 15 — IV 297% · EM ±21.5%Jun 16 — IV 284% · EM ±16.8%Jun 17 — IV 879% · EM ±36.7%Jun 19 — IV 124% · EM ±27.4%Jun 22 — IV 157% · EM ±32.8%Jun 23 — IV 140% · EM ±28.7%Jun 24 — IV 141% · EM ±28.2%Jun 25 — IV 144% · EM ±28.2%Jun 26 — IV 200% · EM ±38.2%Jun 29 — IV 175% · EM ±31.0%Jun 30 — IV 138% · EM ±23.8%Jul 01 — IV 128% · EM ±21.4%Jul 02 — IV 172% · EM ±27.8%Jul 03 — IV 175% · EM ±27.3%Jul 06 — IV 148% · EM ±20.5%Jul 07 — IV 245% · EM ±32.4%Jul 08 — IV 221% · EM ±27.6%Jul 09 — IV 260% · EM ±30.7%Jul 10 — IV 345% · EM ±38.1%Jul 13 — IV 384% · EM ±32.1%Jul 14 — IV 1145% · EM ±82.8%Jul 15 — IV 1645% · EM ±97.1%Jul 16 — IV 3203% · EM ±133.8%Jul 20 — IV 626% · EM ±147.9%Jul 21 — IV 592% · EM ±137.7%Jul 22 — IV 688% · EM ±157.5%

Sector peers

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