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    Piper Sandler initiated coverage on Prothena with a new price target

    1/27/23 7:29:03 AM ET
    $PRTA
    Biotechnology: Pharmaceutical Preparations
    Health Care
    Get the next $PRTA alert in real time by email
    Piper Sandler initiated coverage of Prothena with a rating of Overweight and set a new price target of $94.00
    Get the next $PRTA alert in real time by email

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    Recent Analyst Ratings for
    $PRTA

    DatePrice TargetRatingAnalyst
    5/28/2025$4.00Neutral → Underperform
    BofA Securities
    5/27/2025Outperform → Perform
    Oppenheimer
    5/27/2025$6.00Buy → Hold
    Jefferies
    5/27/2025Overweight → Neutral
    Cantor Fitzgerald
    12/20/2024$40.00Buy
    Chardan Capital Markets
    1/30/2024$68.00 → $38.00Buy → Neutral
    BofA Securities
    12/12/2023$62.00Buy
    Deutsche Bank
    4/24/2023$80.00Outperform
    SVB Securities
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    Large owner Scully William P received a gift of 430,000 units of Ordinary Shares, bought $2,749,916 worth of Ordinary Shares (207,436 units at $13.26) and gifted 747,700 units of Ordinary Shares, decreasing direct ownership by 7% to 735,993 units (SEC Form 4)

    4 - PROTHENA CORP PUBLIC LTD CO (0001559053) (Issuer)

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    Prothena Announces that Novo Nordisk Will Advance Coramitug (Formerly PRX004) into Phase 3 Development for ATTR Amyloidosis with Cardiomyopathy

    Coramitug is a potential first-in-class amyloid depleter antibody for the treatment of ATTR amyloidosis with cardiomyopathy1-3 Novo Nordisk successfully completed a Phase 2 trial with coramitug and is expected to initiate a Phase 3 program in 2025 Prothena to earn a clinical milestone payment when prespecified enrollment criteria are met in a Phase 3 clinical trial by Novo Nordisk Prothena Corporation plc (NASDAQ:PRTA), announced that Novo Nordisk communicated during their second quarter 2025 earnings call on August 6, 2025 that they expect to advance coramitug, a potential first-in-class amyloid depleter antibody, into a Phase 3 program for ATTR amyloidosis with cardiomyopathy (A

    8/6/25 9:00:00 AM ET
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    Prothena Reports Second Quarter 2025 Financial Results and Business Highlights

    Net cash used in operating and investing activities was $46.4 million in the second quarter and net cash used in operating and investing activities was $99.8 million for the first six months of 2025; quarter-end cash and restricted cash position was $372.3 million Prothena expects to convene an Extraordinary General Meeting by year-end 2025 to propose that shareholders approve a reduction of share capital to create distributable reserves in order to support a potential share redemption program if deemed appropriate Roche to advance prasinezumab, a potential first-in-class anti-alpha-synuclein antibody targeting a known biological driver of Parkinson's disease progression, into Phase

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    Prothena to Report Second Quarter 2025 Financial Results on August 4

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    7/28/25 4:05:00 PM ET
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    Prothena downgraded by BofA Securities with a new price target

    BofA Securities downgraded Prothena from Neutral to Underperform and set a new price target of $4.00

    5/28/25 8:10:50 AM ET
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    Prothena downgraded by Oppenheimer

    Oppenheimer downgraded Prothena from Outperform to Perform

    5/27/25 9:09:16 AM ET
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    Prothena downgraded by Jefferies with a new price target

    Jefferies downgraded Prothena from Buy to Hold and set a new price target of $6.00

    5/27/25 9:09:16 AM ET
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    Chief Scientific Officer Zago Wagner M. was granted 85,000 units of Ordinary Shares (SEC Form 4)

    4 - PROTHENA CORP PUBLIC LTD CO (0001559053) (Issuer)

    7/30/25 5:52:29 PM ET
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    Chief Accounting Officer Walker Karin L was granted 25,000 units of Ordinary Shares (SEC Form 4)

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    7/30/25 5:52:14 PM ET
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    Chief Development Officer Swanson Chad J. was granted 85,000 units of Ordinary Shares (SEC Form 4)

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    Amendment: SEC Form SCHEDULE 13G/A filed by Prothena Corporation plc

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    SEC Form S-8 filed by Prothena Corporation plc

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    Prothena Reports Third Quarter 2024 Financial Results and Business Highlights

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    Prothena Reports First Quarter 2024 Financial Results and Business Highlights

    Net cash used in operating and investing activities was $73.2 million in the first quarter of 2024; quarter-end cash and restricted cash position was $548.7 million Advanced potential best-in-class Alzheimer's disease portfolio: initial data supportive of ongoing Phase 1 clinical trial for PRX012, an anti-amyloid beta antibody; received FDA clearance for IND application and Fast Track designation for PRX123, a dual amyloid beta/tau vaccine; Phase 2 clinical trial initiated in patients with early Alzheimer's disease for BMS-986446 (formerly PRX005) by partner Bristol Myers Squibb Strengthened leadership position in the amyloidosis community with ongoing enrollment of the confirmatory

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    Prothena Appoints David Ford to Newly Created Chief People Officer Position

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    Prothena to Report First Quarter 2025 Financial Results on May 8

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    Prothena Reports Fourth Quarter and Full Year 2024 Financial Results, and Provides Financial Guidance and Business Highlights

    Net cash used in operating and investing activities was $47.8 million in the fourth quarter and $150.3 million for the full year of 2024; quarter-end cash and restricted cash position was $472.2 million The company expects cash guidance for the full year 2025 net cash used in operating and investing activities to be $168 to $175 million and expects to end the year with approximately $301 million in cash (midpoint) Topline results expected in 2Q 2025 from the confirmatory Phase 3 AFFIRM-AL clinical trial of birtamimab in patients with Mayo Stage IV AL amyloidosis being conducted under a SPA agreement with the FDA with a primary endpoint of all-cause mortality (time-to-event) at a statis

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    Amendment: SEC Form SC 13G/A filed by Prothena Corporation plc

    SC 13G/A - PROTHENA CORP PUBLIC LTD CO (0001559053) (Subject)

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    Amendment: SEC Form SC 13G/A filed by Prothena Corporation plc

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    11/13/24 7:00:50 AM ET
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    Amendment: SEC Form SC 13G/A filed by Prothena Corporation plc

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