Companies: 10,795·Total market cap: $144.5T
Spero Therapeutics, Inc.

Spero Therapeutics, Inc.

SPRONASDAQHealthcare● Active
$2.74
$-0.08(-2.84%)
Market Cap$158650091
P/E Ratio
52W High$3.22
52W Low$1.8

Spero Therapeutics, Inc. (SPRO) Earnings: Dates, EPS & Revenue History

Quarterly EPS vs. estimates, revenue surprises, next earnings date, and analyst consensus.

SPRO · earnings · updated Jun 9, 2026

Latest Earnings

Q2 FY2026
EPS Actual
-$0.13
Est. -$0.18 · +27.8%
Revenue
$0.00B
Est. $0.00B · +0.0%
Fiscal Period
Q2 FY2026
FY ends December
Report Date
May 13, 2026
After Market Close
Beat EPS🔥 5-Quarter EPS Beat Streak
SPRO reports quarterly as a NASDAQ-listed Biotechnology company. Fiscal year ends in December. Data: FMP · Updated hourly.

Next Earnings Date

Days Away84
Expected DateSep 1, 2026
Fiscal PeriodQ3 FY2026
Release TimeTime TBD (Unconfirmed)
EPS Est.

EPS & Revenue vs. Estimates

Actual (Beat)
Actual (Miss)
Estimated

Earnings History

Q3 FY2026
Aug 11, 2026
EPS Actual
EPS Est.
-$0.17
EPS Surpr.
Revenue
Q2 FY2026
May 13, 2026Beat
EPS Actual
-$0.13
EPS Est.
-$0.18
EPS Surpr.
+27.8%
Revenue
$0.00B
Q1 FY2026
Mar 26, 2026Beat
EPS Actual
$0.53
EPS Est.
-$0.20
EPS Surpr.
+365.0%
Revenue
$0.04B
Q4 FY2025
Nov 13, 2025Beat
EPS Actual
-$0.13
EPS Est.
-$0.25
EPS Surpr.
+48.0%
Revenue
$0.00B
Q3 FY2025
Aug 12, 2025Beat
EPS Actual
-$0.03
EPS Est.
-$0.38
EPS Surpr.
+92.1%
Revenue
$0.01B
Q2 FY2025
May 13, 2025Beat
EPS Actual
-$0.25
EPS Est.
-$0.55
EPS Surpr.
+54.5%
Revenue
$0.01B
Q1 FY2025
Mar 27, 2025Miss
EPS Actual
-$0.38
EPS Est.
-$0.35
EPS Surpr.
-8.6%
Revenue
$0.01B
Q4 FY2024
Nov 14, 2024Miss
EPS Actual
-$0.32
EPS Est.
-$0.27
EPS Surpr.
-18.5%
Revenue
$0.01B

Analyst Estimates

Limited analyst coverage (fewer than 3 analysts). Estimates may not reflect market consensus.
EPS Estimates
PeriodLowConsensusHigh# Analysts
Q4 FY2026$-0.14$-0.14$-0.141
Q3 FY2026$-0.16$-0.16$-0.161
Q2 FY2026$-0.17$-0.17$-0.171
Q1 FY2026$-0.18$-0.18$-0.181
Q4 FY2025$-0.20$-0.20$-0.201
Q3 FY2025$-0.25$-0.25$-0.251
Revenue Estimates
PeriodLowConsensusHigh# Analysts
Q4 FY2026$0.0B$0.0B$0.0B1
Q3 FY2026$0.0B$0.0B$0.0B1
Q2 FY2026$0.0B$0.0B$0.0B1
Q1 FY2026$0.0B$0.0B$0.0B1
Q4 FY2025$0.0B$0.0B$0.0B1
Q3 FY2025$0.0B$0.0B$0.0B1

Earnings Price Reaction

Closing price one trading day before vs. one trading day after each earnings release.
Q2 FY2026-3.94%
Report Date
May 13, 2026
EPS Beat/Miss
+27.8%
Price Before
$2.54
Price After
$2.44
Q1 FY2026-1.66%
Report Date
Mar 26, 2026
EPS Beat/Miss
+365.0%
Price Before
$2.41
Price After
$2.37
Q4 FY2025-8.27%
Report Date
Nov 13, 2025
EPS Beat/Miss
+48.0%
Price Before
$2.66
Price After
$2.44
Q3 FY2025+7.27%
Report Date
Aug 12, 2025
EPS Beat/Miss
+92.1%
Price Before
$2.20
Price After
$2.36
Q2 FY2025+13.11%
Report Date
May 13, 2025
EPS Beat/Miss
+54.5%
Price Before
$0.61
Price After
$0.69
Q1 FY2025-3.36%
Report Date
Mar 27, 2025
EPS Beat/Miss
-8.6%
Price Before
$0.89
Price After
$0.86
Q4 FY2024-4.58%
Report Date
Nov 14, 2024
EPS Beat/Miss
-18.5%
Price Before
$1.31
Price After
$1.25
Q3 FY2024+2.29%
Report Date
Aug 5, 2024
EPS Beat/Miss
+5.7%
Price Before
$1.31
Price After
$1.34
Avg Beat Reaction+1.47%
Avg Miss Reaction-3.97%
Beat Rate6 / 8 quarters
Largest Move+13.11% (Q2 FY2025)
Data: FMP /historical-price-eod/full · field: close

About Earnings & Data Methodology

Data source: Financial Modeling Prep (FMP)  |  Updated: Hourly  |  Surprise%: (Actual − Estimate) / |Estimate| × 100  |  Fiscal year: SPRO ends December

Spero Therapeutics, Inc. (SPRO) most recently reported earnings on May 13, 2026 for Q2 FY2026, posting EPS of $-0.13 — beating the analyst consensus of $-0.18 by +27.8%. SPRO has beaten EPS estimates for 5 consecutive quarters. The next SPRO earnings date is expected around September 1, 2026.

Each quarter, investors track SPRO earnings for signals on forward guidance and business momentum. For longer-term revenue trends, see the Revenue tab. SPRO revenue tab →

Earnings Glossary
EPS (Earnings Per Share)
Net income ÷ diluted shares outstanding. The primary metric analysts use to gauge quarterly profitability.
Earnings Surprise %
(Actual − Estimate) / |Estimate| × 100. Positive = Beat. Negative = Miss.
Beat / Miss / In-Line
Beat = Actual ≥ Estimate. Miss = Actual < Estimate. In-Line = within ±1%.
BMO / AMC
Before Market Open / After Market Close. Two windows when companies typically release results.
Fiscal Quarter
SPRO's fiscal year ends in December. Fiscal quarters may not align with calendar quarters.
Analyst Consensus
Average EPS/Revenue forecast across all covering analysts. More analysts = more reliable estimate.
Figures tie to FMP earnings calendar, estimates, and SEC 10-Q/10-K filings where noted.

Frequently asked questions

SPRO earnings · 5 questions

Spero Therapeutics, Inc.'s next earnings report is expected around September 1, 2026. SPRO typically reports quarterly — approximately every three months. The exact date is confirmed by the company 2–4 weeks before the release. Time is currently TBD; SPRO historically reports after market close (AMC).

SPRO earnings datewhen is SPRO earningsSPRO next earnings datewhen does SPRO report earningsSPRO earnings calendar

Source: FMP · Spero Therapeutics, Inc. SEC filings · US GAAP · Spero Therapeutics, Inc. SEC 10-K & 10-Q filings · US GAAP · Updated: Jun 9, 2026