SPRO
NASDAQSpero Therapeutics Inc.
Price$2.81-0.05 (-1.92%)
02:00 PM07:45 PM
News · 26 weeks18-75%
2025-10-262026-04-19
Mix1090d
- SEC Filings4(40%)
- Insider4(40%)
- Earnings1(10%)
- Other1(10%)
Latest news
25 items- SECSEC Form PRE 14A filed by Spero Therapeutics Inc.PRE 14A - Spero Therapeutics, Inc. (0001701108) (Filer)
- SECSpero Therapeutics Inc. filed SEC Form 8-K: Results of Operations and Financial Condition8-K - Spero Therapeutics, Inc. (0001701108) (Filer)
- SECSEC Form 10-K filed by Spero Therapeutics Inc.10-K - Spero Therapeutics, Inc. (0001701108) (Filer)
- PRSpero Therapeutics Announces Fourth Quarter and Full Year 2025 Operating Results and Provides a Business UpdateSpero announced the resubmission of tebipenem HBr New Drug Application (NDA) to the FDA for complicated urinary tract infections (cUTI), including pyelonephritis in December 2025In February, Spero's licensing partner, GSK announced the FDA had set the PDUFA date as June 18, 2026 Spero estimates cash and cash equivalents as of December 31, 2025 are sufficient to fund current operations into 2028 CAMBRIDGE, Mass., March 26, 2026 (GLOBE NEWSWIRE) -- Spero Therapeutics, Inc. (NASDAQ:SPRO), a clinical-stage biopharmaceutical company focused on identifying and developing novel treatments for rare diseases and diseases with high unmet need, today announced financial results for the fourth quarte
- PRSpero Therapeutics to Report Fourth Quarter and Full Year 2025 Financial Results and Provide Business Update on March 26, 2026CAMBRIDGE, Mass., March 18, 2026 (GLOBE NEWSWIRE) -- Spero Therapeutics, Inc. (NASDAQ:SPRO), a clinical-stage biopharmaceutical company focused on identifying and developing novel treatments for rare diseases and diseases with high unmet need, today announced that it will report its financial results for the fourth quarter and full year ended December 31, 2025, and provide a business update on Thursday, March 26, 2026, after market close. The Company does not intend to host a conference call. About Spero TherapeuticsSpero Therapeutics, headquartered in Cambridge, Massachusetts, is a clinical-stage biopharmaceutical company focused on identifying and developing novel treatments for rare di
- INSIDEROfficer Rajavelu Esther sold $207,484 worth of shares (87,917 units at $2.36), decreasing direct ownership by 8% to 1,012,091 units (SEC Form 4)4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
- INSIDERChief Operating Officer Keutzer Timothy sold $44,019 worth of shares (18,652 units at $2.36), decreasing direct ownership by 2% to 742,506 units (SEC Form 4)4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
- INSIDERChief Operating Officer Keutzer Timothy was granted 68,000 shares and sold $101,175 worth of shares (46,586 units at $2.17), increasing direct ownership by 3% to 761,158 units (SEC Form 4)4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
- INSIDEROfficer Rajavelu Esther was granted 249,000 shares and sold $40,572 worth of shares (18,442 units at $2.20), increasing direct ownership by 27% to 1,100,008 units (SEC Form 4)4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
- SECSEC Form 8-K filed by Spero Therapeutics Inc.8-K - Spero Therapeutics, Inc. (0001701108) (Filer)
- SECSEC Form 8-K filed by Spero Therapeutics Inc.8-K - Spero Therapeutics, Inc. (0001701108) (Filer)
- PRSpero Announces NDA Resubmission of Tebipenem HBr by GSK to the FDA for the Treatment of Complicated Urinary Tract Infections, Including PyelonephritisCAMBRIDGE, Mass., Dec. 19, 2025 (GLOBE NEWSWIRE) -- Spero Therapeutics, Inc. (NASDAQ:SPRO), a clinical-stage biopharmaceutical company focused on identifying and developing novel treatments for rare diseases and multi-drug resistant (MDR) bacterial infections, today announced that its development partner, GSK, filed a New Drug Application (NDA) resubmission to the U.S. Food and Drug Administration (FDA) for tebipenem HBr, an investigational oral carbapenem antibiotic being developed for the treatment of complicated urinary tract infections (cUTI), including pyelonephritis. The NDA submission triggers a $25 million milestone payment to Spero, expected to be received in Q1 2026. The NDA res
- PRSpero Therapeutics Announces Inducement Grant Under Nasdaq Listing Rule 5635(c)(4)CAMBRIDGE, Mass., Nov. 28, 2025 (GLOBE NEWSWIRE) -- Spero Therapeutics, Inc. (NASDAQ:SPRO), a clinical-stage biopharmaceutical company focused on identifying and developing novel treatments for rare diseases and multi-drug resistant (MDR) bacterial infections, today announced that on November 3, 2025, the Compensation Committee of Spero's Board of Directors approved the grant of an aggregate of 90,000 restricted stock unit awards (RSUs) to one new employee under the Spero Therapeutics, Inc. 2019 Inducement Equity Incentive Plan, as amended (2019 Inducement Plan). The RSUs are being granted as an inducement material to Spero's new employee in accordance with Nasdaq Listing Rule 5635(c)(4).
- SECSpero Therapeutics Inc. filed SEC Form 8-K: Results of Operations and Financial Condition, Regulation FD Disclosure8-K - Spero Therapeutics, Inc. (0001701108) (Filer)
- SECSEC Form 10-Q filed by Spero Therapeutics Inc.10-Q - Spero Therapeutics, Inc. (0001701108) (Filer)
- PRSpero Therapeutics Announces Third Quarter 2025 Operating Results and Provides a Business UpdateResults from PIVOT-PO Phase 3 trial evaluating tebipenem HBr in complicated urinary tract infection (cUTI) presented as IDWeek late-breaker in October 2025Spero's development partner, GSK, plans to submit data from the PIVOT-PO trial as part of a planned US Food and Drug Administration (FDA) filing in 4Q 2025 Company expects current cash and cash equivalents to fund operations into 2028 CAMBRIDGE, Mass., Nov. 13, 2025 (GLOBE NEWSWIRE) -- Spero Therapeutics, Inc. (NASDAQ:SPRO), a clinical-stage biopharmaceutical company focused on identifying and developing novel treatments for rare diseases and multi-drug resistant (MDR) bacterial infections, today announced financial results for the thir
- INSIDEROfficer Rajavelu Esther sold $95,440 worth of shares (40,270 units at $2.37), decreasing direct ownership by 4% to 869,450 units (SEC Form 4)4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
- PRSpero Therapeutics to Report Third Quarter 2025 Financial Results and Provide Business Update on November 13, 2025CAMBRIDGE, Mass., Nov. 04, 2025 (GLOBE NEWSWIRE) -- Spero Therapeutics, Inc. (NASDAQ:SPRO), a clinical-stage biopharmaceutical company, focused on identifying and developing novel treatments for rare diseases and multi-drug resistant (MDR) bacterial infections, today announced that it will report its third quarter 2025 financial results and provide a business update on Thursday, November 13, after the market close. The Company does not intend to host a conference call. About Spero TherapeuticsSpero Therapeutics, headquartered in Cambridge, Massachusetts, is a clinical-stage biopharmaceutical company focused on identifying and developing novel treatments for rare diseases and multi-drug
- PRPIVOT-PO Phase 3 Data Show Tebipenem HBr's Potential as the First Oral Carbapenem Antibiotic for Patients with Complicated Urinary Tract Infections (cUTIs)Data presented at IDWeek 2025 after study stopped early for efficacyPrimary endpoint met, demonstrating non-inferiority of oral tebipenem HBr compared to intravenous treatment1Data will be shared with regulatory authorities to support regulatory filings CAMBRIDGE, Mass., Oct. 21, 2025 (GLOBE NEWSWIRE) -- Spero Therapeutics, Inc. (NASDAQ:SPRO) and GSK plc (LSE/NYSE:GSK) today announced efficacy and safety results of the positive pivotal phase 3 PIVOT-PO trial evaluating tebipenem HBr, an investigational oral treatment for complicated urinary tract infections (cUTIs), including pyelonephritis (NCT06059846). These results were presented on October 20, 2025, in a late-breaking oral abstract s
- PRSpero Therapeutics Announces Presentations on Tebipenem Hbr at IDWeekCAMBRIDGE, Mass., Oct. 14, 2025 (GLOBE NEWSWIRE) -- Spero Therapeutics, Inc. (NASDAQ:SPRO), a clinical-stage biopharmaceutical company focused on identifying and developing novel treatments for rare diseases and multi-drug resistant (MDR) bacterial infections, today announces presentations on tebipenem Hbr at the upcoming IDWeek annual meeting to take place Oct 19 – 22, 2025 in Atlanta, GA. Tebipenem Hbr is an investigational oral carbapenem being developed for the treatment of complicated urinary tract infection (cUTI), including pyelonephritis. The presentations are being made in collaboration with Spero's development partner, GSK. Oral Presentation Title: Oral Tebipenem Pivoxil Hydrobr
- INSIDERDirector Mahadevia Ankit sold $12,947 worth of shares (6,572 units at $1.97), decreasing direct ownership by 0.93% to 703,294 units (SEC Form 4)4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
- INSIDERChief Operating Officer Keutzer Timothy sold $3,339 worth of shares (1,695 units at $1.97), decreasing direct ownership by 0.23% to 739,744 units (SEC Form 4)4 - Spero Therapeutics, Inc. (0001701108) (Issuer)
- SECAmendment: SEC Form SCHEDULE 13G/A filed by Spero Therapeutics Inc.SCHEDULE 13G/A - Spero Therapeutics, Inc. (0001701108) (Subject)
- SECSEC Form S-8 filed by Spero Therapeutics Inc.S-8 - Spero Therapeutics, Inc. (0001701108) (Filer)
- SECSEC Form 10-Q filed by Spero Therapeutics Inc.10-Q - Spero Therapeutics, Inc. (0001701108) (Filer)