Spero Therapeutics (SPRO) News Today $2.00 +0.06 (+2.84%) As of 03:14 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Headlines Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFDA EventsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock SPRO Latest News All Sources Trusted Sources MarketBeat Barchart Benzinga Bloomberg GlobeNewswire GuruFocus MarketWatch Motley Fool NASDAQ PR Newswire Reuters Seeking Alpha TalkMarkets The Street TipRanks The Wall Street Journal Wall Street Zen Yahoo Finance Source Sentiment refers to the positivity or negativity of each headline according to our language processing algorithm. Sentiment All Sentiments Very Positive Positive Neutral Negative Very Negative Most Recent August 2025 July 2025 June 2025 May 2025 April 2025 March 2025 February 2025 January 2025 December 2024 November 2024 October 2024 September 2024 August 2024 July 2024 June 2024 May 2024 April 2024 March 2024 February 2024 January 2024 December 2023 November 2023 October 2023 September 2023 August 2023 July 2023 June 2023 May 2023 April 2023 March 2023 February 2023 January 2023 December 2022 November 2022 October 2022 September 2022 Time Period Spero Therapeutics, Inc. (NASDAQ:SPRO) Q2 2025 Earnings Call TranscriptAugust 13 at 9:29 AM | insidermonkey.comSpero Therapeutics, Inc.: Spero Therapeutics Announces Second Quarter 2025 Operating Results and Provides a Business UpdateAugust 13 at 7:18 AM | finanznachrichten.deSpero Therapeutics Reports Q2 2025 Results and Trial SuccessAugust 13 at 7:18 AM | msn.comSpero Therapeutics Reports Q2 2025 Financial ResultsAugust 12 at 9:17 PM | msn.comSpero Therapeutics, Inc. (SPRO) Q2 2025 Earnings Call TranscriptAugust 12 at 8:07 PM | seekingalpha.comSpero Therapeutics Announces Second Quarter 2025 Operating Results and Provides a Business UpdateAugust 12 at 4:01 PM | globenewswire.comSpero Therapeutics to Report Second Quarter 2025 Financial Results and Provide Business Update on Tuesday, August 12, 2025August 5, 2025 | globenewswire.comSpero Therapeutics (SPRO) Expected to Announce Quarterly Earnings on MondayJuly 28, 2025 | marketbeat.comSpero Therapeutics (NASDAQ:SPRO) Stock Passes Above Fifty Day Moving Average - What's Next?July 1, 2025 | marketbeat.comWhile institutions own 20% of Spero Therapeutics, Inc. (NASDAQ:SPRO), retail investors are its largest shareholders with 54% ownershipJune 28, 2025 | finance.yahoo.comSpero Therapeutics, Inc. (SPRO) Cash Flow - Yahoo FinanceJune 26, 2025 | finance.yahoo.comSpero Therapeutics (NASDAQ:SPRO) Upgraded to "Hold" at Wall Street ZenJune 21, 2025 | marketbeat.comSpero Therapeutics (NASDAQ:SPRO) Shares Pass Above 200 Day Moving Average - What's Next?June 19, 2025 | marketbeat.comSpero Therapeutics, Inc. (NASDAQ:SPRO) Short Interest Up 446.6% in MayJune 11, 2025 | marketbeat.comSpero Therapeutics -- Additional Upside Potential Following Positive Phase 3 ResultsJune 11, 2025 | seekingalpha.comSpero Therapeutics, Inc. (NASDAQ:SPRO) Stake Boosted by Mackenzie Financial CorpJune 6, 2025 | marketbeat.comWhy Spero Therapeutics, Inc. (SPRO) Surged Last WeekMay 31, 2025 | msn.comBest Penny Stocks To Watch Today - May 28thMay 30, 2025 | marketbeat.comSpero Therapeutics Jumps as Oral Carbapenem Hits Phase 3 MilestoneMay 29, 2025 | msn.comSpero Therapeutics Sees Unusually Large Options Volume (NASDAQ:SPRO)May 29, 2025 | marketbeat.comSpero Therapeutics Shares Soar as Trial with GSK Ends Early on EfficacyMay 28, 2025 | marketwatch.comSpero Therapeutics Stock Skyrockets on Strong Phase 3 Trial ResultsMay 28, 2025 | msn.comSpero Therapeutics and GSK Announce PIVOT-PO Phase 3 Study for Tebipenem HBr Stopped Early for Efficacy Following Review by Independent Data Monitoring CommitteeMay 28, 2025 | globenewswire.comSpero Therapeutics Announces First Quarter 2025 Operating Results and Provides a Business UpdateMay 13, 2025 | globenewswire.comSpero Therapeutics to Report First Quarter 2025 Financial Results and Provide Business Update on Tuesday, May 13, 2025May 5, 2025 | globenewswire.comSpero Therapeutics, Inc.: Spero Therapeutics Appoints Esther Rajavelu as President and Chief Executive OfficerApril 29, 2025 | finanznachrichten.deSpero Therapeutics Appoints Esther Rajavelu as President and Chief Executive OfficerApril 28, 2025 | globenewswire.comSpero Therapeutics Analyst RatingsApril 7, 2025 | benzinga.comTD Cowen Sticks to Their Hold Rating for Spero Therapeutics (SPRO)April 2, 2025 | markets.businessinsider.comWe're Keeping An Eye On Spero Therapeutics' (NASDAQ:SPRO) Cash Burn RateMarch 29, 2025 | finance.yahoo.comSpero Therapeutics reports Q4 EPS (38c), consensus (31c)March 28, 2025 | markets.businessinsider.comSpero Therapeutics, Inc.: Spero Therapeutics Announces Fourth Quarter and Full Year 2024 Operating Results and Provides a Business UpdateMarch 28, 2025 | finanznachrichten.deSpero Therapeutics, Inc. (SPRO) Q4 2024 Earnings Call TranscriptMarch 27, 2025 | seekingalpha.comSpero Therapeutics Announces Fourth Quarter and Full Year 2024 Operating Results and Provides a Business UpdateMarch 27, 2025 | globenewswire.com1SPRO : A Glimpse of Spero Therapeutics's Earnings PotentialMarch 26, 2025 | benzinga.comSpero Therapeutics to Report Fourth Quarter and Full Year 2024 Financial Results and Provide Business Update on Thursday, March 27, 2025March 18, 2025 | globenewswire.comUPDATE – Spero Therapeutics to Present at TD Cowen 45th Annual Health Care ConferenceFebruary 25, 2025 | globenewswire.comSpero Therapeutics to Present at TD Cowen 45th Annual Health Care ConferenceFebruary 25, 2025 | globenewswire.comSpero Therapeutics CEO sells shares worth $121,159February 6, 2025 | msn.comSpero Therapeutics, Inc. (NASDAQ:SPRO) CFO Esther Rajavelu Sells 20,689 SharesFebruary 6, 2025 | insidertrades.comSpero therapeutics CFO sells $16,137 in stockFebruary 5, 2025 | msn.comSpero Therapeutics COO Timothy Keutzer sells shares for $44,097February 5, 2025 | msn.comOptimistic Buy Rating for Spero Therapeutics Amid Strategic Initiatives and PartnershipsJanuary 30, 2025 | markets.businessinsider.comSpero Therapeutics Inc SPROJanuary 16, 2025 | morningstar.comMSpero Therapeutics, Inc.: Spero Therapeutics Provides Business Update and Announces Interim Leadership ChangesJanuary 10, 2025 | finanznachrichten.deSpero Therapeutics announces interim leadership changesJanuary 10, 2025 | markets.businessinsider.comSpero Therapeutics Makes Interim Changes To Management After Wells Notice From SECJanuary 10, 2025 | markets.businessinsider.comSpero Therapeutics names Esther Rajavelu as Interim President and CEOJanuary 10, 2025 | msn.comSpero Therapeutics Provides Business Update and Announces Interim Leadership ChangesJanuary 10, 2025 | globenewswire.comSpero Therapeutics (NASDAQ:SPRO) Stock Passes Below Two Hundred Day Moving Average - Time to Sell?December 28, 2024 | marketbeat.com Get Spero Therapeutics News Delivered to You Automatically Sign up to receive the latest news and ratings for SPRO and its competitors with MarketBeat's FREE daily newsletter. Email Address SPRO Media Mentions By Week SPRO Media Sentiment Learn about the media sentiment score. Each headline receives a score ranging from 2 (good news) to -2 (bad news). Our company news sentiment scores track the average news sentiment of articles about each company over the most recent 7 days in order to identify companies that are receiving positive press. SPRO News Sentiment▼0.730.65▲Average Medical News Sentiment SPRO News Coverage Learn about the media coverage comparison. We track news headlines from hundreds of news outlets and tag them by company. This chart compares the number of articles about this company in the last seven days compared with the average number of articles about this company on a typical week. SPRO Articles This Week▼81▲SPRO Articles Average Week Get Spero Therapeutics News Delivered to You Automatically Sign up to receive the latest news and ratings for SPRO and its competitors with MarketBeat's FREE daily newsletter. Email Address Related Companies and Tools Related Companies Solid Biosciences News Kura Oncology News Prime Medicine News Arvinas News Eton Pharmaceuticals News Savara News Palvella Therapeutics News iTeos Therapeutics News SNDL News Cullinan Therapeutics News Headlines Tools Trending Media MentionsHigh Media Sentiment StocksLive News FeedMarketBeat OriginalsStock Ideas This page (NASDAQ:SPRO) was last updated on 8/14/2025 by MarketBeat.com Staff From Our PartnersGENIUS Act: Cancel Your Money?A new law called the GENIUS Act could quietly trigger the most radical shift in American finance in decades. B...Priority Gold | SponsoredBREAKING: The House just passed 3 pro-crypto bills!THREE pro-crypto bills just passed the House! Now, experts believe altcoin season is officially here. Crypto 101 Media | SponsoredBig Changes Coming in August — Is Your IRA Ready?Banks aren’t waiting for the headlines to catch up. 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