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    Subscribe to $LONA

    LeonaBio Inc.

    Subscribe to $LONA
    $LONA
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    IPO Year: 2020

    Exchange: NASDAQ

    Recent Analyst Ratings for LeonaBio Inc.

    DatePrice TargetRatingAnalyst
    5/27/2026$20.00Overweight
    Piper Sandler
    2/26/2026Overweight
    Cantor Fitzgerald
    2/19/2026$10.00Neutral → Outperform
    Mizuho
    See more ratings

    LeonaBio Inc. SEC Filings

    View All

    SEC Form DEFA14A filed by LeonaBio Inc.

    DEFA14A - LeonaBio, Inc. (0001620463) (Filer)

    5/11/26 4:51:52 PM ET
    $LONA
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    SEC Form DEF 14A filed by LeonaBio Inc.

    DEF 14A - LeonaBio, Inc. (0001620463) (Filer)

    5/11/26 4:45:47 PM ET
    $LONA
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    Amendment: SEC Form SCHEDULE 13D/A filed by LeonaBio Inc.

    SCHEDULE 13D/A - LeonaBio, Inc. (0001620463) (Subject)

    5/7/26 4:19:59 PM ET
    $LONA
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    SEC Form 10-Q filed by LeonaBio Inc.

    10-Q - LeonaBio, Inc. (0001620463) (Filer)

    5/7/26 4:10:31 PM ET
    $LONA
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    LeonaBio Inc. filed SEC Form 8-K: Results of Operations and Financial Condition, Regulation FD Disclosure, Financial Statements and Exhibits

    8-K - LeonaBio, Inc. (0001620463) (Filer)

    5/7/26 4:05:49 PM ET
    $LONA
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    SEC Form EFFECT filed by LeonaBio Inc.

    EFFECT - LeonaBio, Inc. (0001620463) (Filer)

    4/2/26 12:15:19 AM ET
    $LONA
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    SEC Form EFFECT filed by LeonaBio Inc.

    EFFECT - LeonaBio, Inc. (0001620463) (Filer)

    4/2/26 12:15:21 AM ET
    $LONA
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    SEC Form 424B3 filed by LeonaBio Inc.

    424B3 - LeonaBio, Inc. (0001620463) (Filer)

    4/1/26 9:30:12 PM ET
    $LONA
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    SEC Form 424B3 filed by LeonaBio Inc.

    424B3 - LeonaBio, Inc. (0001620463) (Filer)

    4/1/26 9:30:13 PM ET
    $LONA
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    SEC Form S-8 filed by LeonaBio Inc.

    S-8 - LeonaBio, Inc. (0001620463) (Filer)

    4/1/26 4:07:24 PM ET
    $LONA
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    LeonaBio Inc. Insider Trading

    Insider transactions reveal critical sentiment about the company from key stakeholders. See them live in this feed.

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    SEC Form 4 filed by Director Holles Natalie C.

    4 - LeonaBio, Inc. (0001620463) (Issuer)

    5/7/26 8:27:06 PM ET
    $LONA
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    SEC Form 4 filed by Director Silverman Peter B.

    4 - LeonaBio, Inc. (0001620463) (Issuer)

    5/7/26 8:26:04 PM ET
    $LONA
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    SEC Form 4 filed by Director Callori Fred

    4 - LeonaBio, Inc. (0001620463) (Issuer)

    5/7/26 8:24:50 PM ET
    $LONA
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    SEC Form 3 filed by new insider Silverman Peter B.

    3 - LeonaBio, Inc. (0001620463) (Issuer)

    5/7/26 8:24:15 PM ET
    $LONA
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    SEC Form 3 filed by new insider Holles Natalie C.

    3 - LeonaBio, Inc. (0001620463) (Issuer)

    5/7/26 8:23:28 PM ET
    $LONA
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    SEC Form 3 filed by new insider Callori Fred

    3 - LeonaBio, Inc. (0001620463) (Issuer)

    5/7/26 8:22:30 PM ET
    $LONA
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    SEC Form 4 filed by Panzara Michael A.

    4 - LeonaBio, Inc. (0001620463) (Issuer)

    4/13/26 4:59:24 PM ET
    $LONA
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    SEC Form 4 filed by Church Kevin

    4 - LeonaBio, Inc. (0001620463) (Issuer)

    4/13/26 4:58:15 PM ET
    $LONA
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    SEC Form 4 filed by Kosacz Barbara

    4 - LeonaBio, Inc. (0001620463) (Issuer)

    4/13/26 4:56:59 PM ET
    $LONA
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    SEC Form 4 filed by Pickering Grant

    4 - LeonaBio, Inc. (0001620463) (Issuer)

    4/13/26 4:55:35 PM ET
    $LONA
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    LeonaBio Inc. Analyst Ratings

    Analyst ratings in real time. Analyst ratings have a very high impact on the underlying stock. See them live in this feed.

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    Piper Sandler initiated coverage on LeonaBio with a new price target

    Piper Sandler initiated coverage of LeonaBio with a rating of Overweight and set a new price target of $20.00

    5/27/26 9:03:08 AM ET
    $LONA
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    Cantor Fitzgerald initiated coverage on LeonaBio

    Cantor Fitzgerald initiated coverage of LeonaBio with a rating of Overweight

    2/26/26 8:43:27 AM ET
    $LONA
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    LeonaBio upgraded by Mizuho with a new price target

    Mizuho upgraded LeonaBio from Neutral to Outperform and set a new price target of $10.00

    2/19/26 7:48:19 AM ET
    $LONA
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    LeonaBio Inc. Press Releases

    Fastest customizable press release news feed in the world

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    LeonaBio to Participate in Upcoming Medical and Industry Meetings in June

    BOTHELL, Wash., May 27, 2026 (GLOBE NEWSWIRE) -- LeonaBio, Inc. (NASDAQ:LONA), a clinical-stage biopharmaceutical company dedicated to the development of novel therapeutics for diseases with high unmet medical needs, today announced that it will participate in the 5th Annual ALS Drug Development Summit, taking place June 2-4, 2026 in Boston, MA, and the BIO International Convention, taking place June 22-25, 2026 in San Diego, CA. Details are as follows: 5th Annual ALS Drug Development Summit Oral Presentation Title: Advancing ATH-1105 in ALS: Strategic Trial Design, Biomarker Integration & Adaptive MethodologiesSession Title: Redefining Biomarkers and Trial Design to Accelerate Neurodeg

    5/27/26 7:00:00 AM ET
    $LONA
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    LeonaBio Reports First Quarter 2026 Financial Results and Provides Business Update

    Advancing Phase 3 Lasofoxifene Development Program of Novel Selective Estrogen Receptor Modulator, a Potential Multi-Billion Dollar Opportunity as Treatment Option for Patients with ESR1-Mutations Expects to Complete Enrollment of Phase 3 Clinical Trial of Lasofoxifene in Treatment-Resistant ER-positive, HER2-negative, ESR1-mutated Metastatic Breast Cancer in 4Q 2026 with Topline Data Anticipated in 2H 2027 On-track to Initiate Phase 2 Proof-of-Concept Study of ATH-1105 in ALS patients in 2H 2026 Recent Events Include Three Appointments to Board of Directors and Virtual Key Opinion Leader Event Highlighting Potential of Lasofoxifene BOTHELL, Wash., May 07, 2026 (GLOBE NEWSWIRE) -- Leon

    5/7/26 4:05:00 PM ET
    $LONA
    $MRUS
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care
    Biotechnology: Pharmaceutical Preparations

    LeonaBio Enhances Board of Directors with Appointments of Fred Callori, J.D., Natalie Holles and Peter B. Silverman, J.D.

    BOTHELL, Wash., May 07, 2026 (GLOBE NEWSWIRE) -- LeonaBio, Inc. (NASDAQ:LONA), a clinical-stage biopharmaceutical company dedicated to the development of novel therapeutics for diseases with high unmet medical needs, today announced the appointment of Fred Callori, J.D., Natalie Holles, and Peter B. Silverman, J.D. to its Board of Directors, effective as of May 5, 2026. The company also announced that John Fluke, Jr., who has served on the Board of Directors since 2014, retired effective May 4, 2026. "We are delighted to welcome Fred, Natalie, and Peter to LeonaBio's Board of Directors," said Mark Litton, Ph.D., President and Chief Executive Officer of LeonaBio. "Collectively, they bring

    5/7/26 9:20:00 AM ET
    $LONA
    $MRUS
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care
    Biotechnology: Pharmaceutical Preparations

    LeonaBio to Host Virtual Key Opinion Leader Event Highlighting Potential of Lasofoxifene in Treatment-Resistant ER+/HER2-, ESR1-Mutated Metastatic Breast Cancer

    Management to be Joined by Two Clinical Leaders in the Breast Cancer Field  Expected to Complete Enrollment in Ongoing ELAINE-3 Phase 3 Registrational Study of Lasofoxifene in Metastatic Breast Cancer in 4Q26 with Data Expected in 2H27 Webinar Event on Wednesday, April 29, 2026, at 12:00 p.m. ET BOTHELL, Wash., April 23, 2026 (GLOBE NEWSWIRE) -- LeonaBio, Inc. (NASDAQ:LONA), a clinical-stage biopharmaceutical company dedicated to the development of novel therapeutics for diseases with high unmet medical needs, today announced that it will host a virtual Key Opinion Leader event with two leading physician experts in the breast cancer field to discuss the current and evolving treatment la

    4/23/26 4:05:00 PM ET
    $LONA
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    Independent Nonclinical Research on Lasofoxifene Presented at American Association for Cancer Research Annual Meeting 2026 Consistent with LeonaBio's Data

    BOTHELL, Wash., April 21, 2026 (GLOBE NEWSWIRE) -- LeonaBio, Inc. (NASDAQ:LONA), a clinical-stage biopharmaceutical company dedicated to the development of novel therapeutics for diseases with high unmet medical needs, attended the American Association for Cancer Research Annual Meeting 2026 (AACR26), where independent researchers at Virginia Commonwealth University's Massey Comprehensive Cancer Center presented nonclinical data on lasofoxifene, including its potential for a bone protective role in metastatic breast cancer.1 "We are delighted to learn the findings of this independent research at AACR26, attended by an audience of the world's leading oncology researchers. We believe these

    4/21/26 7:00:00 AM ET
    $LONA
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    LeonaBio Reports Full Year 2025 Financial Results and Provides Business Update

    Acquired License to Phase 3 Lasofoxifene Development Program of Novel Selective Estrogen Receptor Modulator (SERM), a Potential Multi-Billion Dollar Opportunity as Treatment Option for Breast Cancer Patients with ESR1-Mutations Received Gross Proceeds of $90 Million in Private Placement Financing of Common Stock and Warrants with Cash-Exercisable Warrants Potentially Providing up to an Additional $146 Million to Support Development of Lasofoxifene Through Key Clinical and Regulatory Milestones Expect to Complete Enrollment of Phase 3 Clinical Trial of Lasofoxifene in ER-positive (ER+), HER2-negative, ESR1-mutated Metastatic Breast Cancer in 4Q 2026 with Topline Data Anticipated in 2H 2027

    3/26/26 5:10:00 PM ET
    $LONA
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    LeonaBio Appoints Industry Veteran Mark F. Kubik as Chief Business Officer

    BOTHELL, Wash., Feb. 03, 2026 (GLOBE NEWSWIRE) -- LeonaBio, Inc. (NASDAQ:LONA), a clinical-stage biopharmaceutical company dedicated to the development of novel therapeutics for diseases with high unmet medical needs, today announced the appointment of Mark F. Kubik as Chief Business Officer. In this role, Mr. Kubik will lead LeonaBio's business development strategy and execution, with responsibility for licensing, partnership strategy, and corporate development initiatives. Mr. Kubik previously served as a strategic consultant to LeonaBio, where he played an instrumental role in the transformational transaction announced in December 2025, in which LeonaBio acquired rights to the Phase 3

    2/3/26 7:00:00 AM ET
    $LONA
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care

    LeonaBio Inc. Leadership Updates

    Live Leadership Updates

    View All

    LeonaBio Reports First Quarter 2026 Financial Results and Provides Business Update

    Advancing Phase 3 Lasofoxifene Development Program of Novel Selective Estrogen Receptor Modulator, a Potential Multi-Billion Dollar Opportunity as Treatment Option for Patients with ESR1-Mutations Expects to Complete Enrollment of Phase 3 Clinical Trial of Lasofoxifene in Treatment-Resistant ER-positive, HER2-negative, ESR1-mutated Metastatic Breast Cancer in 4Q 2026 with Topline Data Anticipated in 2H 2027 On-track to Initiate Phase 2 Proof-of-Concept Study of ATH-1105 in ALS patients in 2H 2026 Recent Events Include Three Appointments to Board of Directors and Virtual Key Opinion Leader Event Highlighting Potential of Lasofoxifene BOTHELL, Wash., May 07, 2026 (GLOBE NEWSWIRE) -- Leon

    5/7/26 4:05:00 PM ET
    $LONA
    $MRUS
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care
    Biotechnology: Pharmaceutical Preparations

    LeonaBio Enhances Board of Directors with Appointments of Fred Callori, J.D., Natalie Holles and Peter B. Silverman, J.D.

    BOTHELL, Wash., May 07, 2026 (GLOBE NEWSWIRE) -- LeonaBio, Inc. (NASDAQ:LONA), a clinical-stage biopharmaceutical company dedicated to the development of novel therapeutics for diseases with high unmet medical needs, today announced the appointment of Fred Callori, J.D., Natalie Holles, and Peter B. Silverman, J.D. to its Board of Directors, effective as of May 5, 2026. The company also announced that John Fluke, Jr., who has served on the Board of Directors since 2014, retired effective May 4, 2026. "We are delighted to welcome Fred, Natalie, and Peter to LeonaBio's Board of Directors," said Mark Litton, Ph.D., President and Chief Executive Officer of LeonaBio. "Collectively, they bring

    5/7/26 9:20:00 AM ET
    $LONA
    $MRUS
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care
    Biotechnology: Pharmaceutical Preparations

    LeonaBio Appoints Industry Veteran Mark F. Kubik as Chief Business Officer

    BOTHELL, Wash., Feb. 03, 2026 (GLOBE NEWSWIRE) -- LeonaBio, Inc. (NASDAQ:LONA), a clinical-stage biopharmaceutical company dedicated to the development of novel therapeutics for diseases with high unmet medical needs, today announced the appointment of Mark F. Kubik as Chief Business Officer. In this role, Mr. Kubik will lead LeonaBio's business development strategy and execution, with responsibility for licensing, partnership strategy, and corporate development initiatives. Mr. Kubik previously served as a strategic consultant to LeonaBio, where he played an instrumental role in the transformational transaction announced in December 2025, in which LeonaBio acquired rights to the Phase 3

    2/3/26 7:00:00 AM ET
    $LONA
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care