NASDAQ:SPRO Spero Therapeutics Q1 2025 Earnings Report $1.19 -0.04 (-3.25%) Closing price 04:00 PM EasternExtended Trading$1.20 +0.01 (+0.42%) As of 07:30 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more. ProfileEarnings HistoryForecast Spero Therapeutics EPS ResultsActual EPS-$0.25Consensus EPS -$0.55Beat/MissBeat by +$0.30One Year Ago EPSN/ASpero Therapeutics Revenue ResultsActual Revenue$5.87 millionExpected Revenue$11.00 millionBeat/MissMissed by -$5.13 millionYoY Revenue GrowthN/ASpero Therapeutics Announcement DetailsQuarterQ1 2025Date5/13/2025TimeBefore Market OpensConference Call DateTuesday, May 13, 2025Conference Call Time4:00PM ETUpcoming EarningsSpero Therapeutics' Q3 2026 earnings is estimated for Thursday, November 12, 2026, based on past reporting schedules, with a conference call scheduled on Friday, November 13, 2026 at 4:00 PM ET. Check back for transcripts, audio, and key financial metrics as they become available.Conference Call ResourcesPress Release (8-K)Quarterly Report (10-Q)Earnings HistoryCompany ProfilePowered by Earnings DocumentsPress Release(8-K)Quarterly report(10-Q) Spero Therapeutics Earnings HeadlinesSpero Therapeutics Announces Inducement Grant Under Nasdaq Listing Rule 5635(c)(4)September 3, 2026 | globenewswire.comSpero Therapeutics to Present at H.C. Wainwright 28th Annual Global Investment ConferenceSeptember 2, 2026 | globenewswire.comWATCH THIS BEFORE DECEMBER 8th!!James Altucher says a quiet government filing could reveal Elon Musk's biggest move yet, and almost nobody has noticed it. Altucher believes the filing could matter to as many as 1,806,000 Americans in the years ahead. He explains why Musk buried it and what it could mean, free of charge.September 28 at 1:00 AM | Paradigm Press (Ad)Spero Therapeutics (SPRO) Q2 2026 Earnings Call TranscriptAugust 19, 2026 | finance.yahoo.comSpero Therapeutics, Inc.: Spero Therapeutics Announces Second Quarter 2026 Operating Results and Provides Business UpdateAugust 13, 2026 | finanznachrichten.deSpero outlines cash runway into the second half of 2029 following $105M royalty financingAugust 13, 2026 | seekingalpha.comSee More Spero Therapeutics Headlines Get Earnings Announcements in your inboxWant to stay updated on the latest earnings announcements and upcoming reports for companies like Spero Therapeutics? Sign up for Earnings360's daily newsletter to receive timely earnings updates on Spero Therapeutics and other key companies, straight to your email. Email Address About Spero TherapeuticsSpero Therapeutics (NASDAQ:SPRO) is a clinical-stage biopharmaceutical company headquartered in Cambridge, Massachusetts. The company develops therapies for serious bacterial infections and certain rare diseases, with a focus on addressing conditions for which existing treatment options are limited or inadequate. Spero’s lead program is tebipenem pivoxil hydrobromide, an oral carbapenem antibiotic being developed for the treatment of complicated urinary tract infections. The company’s pipeline has also included SPR720, an investigational oral therapy for nontuberculous mycobacterial pulmonary disease, and SPR206, an investigational intravenous antibiotic intended for use against serious hospital infections caused by drug-resistant bacteria. Founded in 2013, Spero has advanced its programs through collaborations and development partnerships, including a former agreement with GlaxoSmithKline. Its research and development activities are primarily focused on the United States, although the potential commercialization of its therapies could involve international markets and partners. Spero’s programs remain subject to clinical, regulatory and commercial development requirements.View Spero Therapeutics ProfileRead more More Earnings Resources from MarketBeat Earnings Tools Today's Earnings Tomorrow's Earnings Next Week's Earnings Upcoming Earnings Calls Earnings Newsletter Earnings Call Transcripts Earnings Beats & Misses Corporate Guidance Earnings Screener Latest Articles Brewing Trouble? 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