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Prothena Stock Price, News & Analysis

PRTA Nasdaq

Welcome to our dedicated page for Prothena news (Ticker: PRTA), a resource for investors and traders seeking the latest updates and insights on Prothena stock.

Prothena Corporation plc (NASDAQ: PRTA) is described in its own press releases as a late-stage clinical biotechnology company focused on protein dysregulation in neurodegenerative and rare peripheral amyloid diseases. The PRTA news feed on Stock Titan aggregates these company communications, giving investors and observers a single place to follow Prothena’s disclosures and milestones.

In its recent news, Prothena has highlighted progress across a pipeline that includes both wholly-owned and partnered programs. Updates have covered clinical development for Parkinson’s disease through the prasinezumab collaboration with Roche, ATTR amyloidosis with cardiomyopathy via coramitug (formerly PRX004) now being developed by Novo Nordisk, and Alzheimer’s disease programs such as BMS-986446 (formerly PRX005) with Bristol Myers Squibb, PRX012, and the dual Aβ/tau vaccine PRX123. The company has also issued releases on its CYTOPE technology platform, workforce restructuring, and financial results.

Readers of the PRTA news page can review press releases on topics such as Phase 2 and Phase 3 trial plans, Fast Track designations, preclinical data from the TDP-43 CYTOPE program, and corporate actions including an Extraordinary General Meeting to approve a capital reduction to create distributable reserves. Governance and leadership updates, such as changes to the Board of Directors, are also disclosed through these announcements.

By following this curated stream of Prothena’s own news, users can see how the company presents the status of its investigational therapeutics, collaborations with partners like Roche, Novo Nordisk and Bristol Myers Squibb, and its capital and cost structure decisions. The PRTA news page is intended as a convenient starting point for reviewing Prothena’s publicly released information over time.

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Prothena reported a Q4 2021 net loss of $33.2 million, having a full-year net income of $67.0 million. The firm generated $1.2 million in revenue for Q4 and $200.6 million for the full year, boosted by an $80 million payment from Bristol Myers Squibb and a $60 million milestone from Roche. Prothena's cash position stands at $580.4 million. The company has initiated several studies for Alzheimer's and Parkinson's treatments and expects a net cash use of $120 to $132 million in 2022. Financial guidance indicates a projected net loss of $154 to $170 million for the year.

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Prothena Corporation plc (NASDAQ:PRTA) will announce its fourth quarter and full year 2021 financial results on February 17, 2022, after U.S. market close. The announcement will be followed by a live audio conference call at 4:30 PM ET, accessible via the company's website. Prothena is a biotech firm focused on therapeutics for neurodegenerative and rare diseases, leveraging expertise in protein dysregulation. Their pipeline includes candidates for AL amyloidosis, ATTR amyloidosis, Alzheimer's, and Parkinson's diseases.

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DUBLIN, Ireland, Nov. 29, 2021 – Prothena Corporation plc (NASDAQ:PRTA), a late-stage clinical biotechnology company, announced its senior management will participate in a fireside chat at the JMP Securities Hematology and Oncology Summit on December 6, 2021, at 1:20 PM ET. A live webcast will be accessible on Prothena's investor relations site, with a replay available for at least 90 days post-event. Prothena focuses on investigational therapeutics targeting rare peripheral amyloid and neurodegenerative diseases, leveraging its expertise in protein dysregulation.

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Prothena Corporation reported strong financial results for Q3 and the first nine months of 2021, achieving a net income of $109.2 million for Q3 compared to a loss of $30.6 million in Q3 2020. Total revenue reached $139.2 million, including $78.5 million from Bristol Myers Squibb and $60.7 million from Novo Nordisk. The company has $601.5 million in cash and no debt. Prothena continues to advance its pipeline, including the ongoing Phase 3 trial of birtamimab and collaborations with notable partners, positioning itself for further growth.

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Prothena Corporation plc (NASDAQ:PRTA) will release its third quarter and first nine months of 2021 financial results on November 4, 2021, after U.S. market close. The company, focused on novel therapies for conditions related to protein dysregulation, will not hold a conference call following the release. Prothena continues to advance its pipeline targeting diseases such as AL amyloidosis, ATTR amyloidosis, Alzheimer's, and Parkinson's. This detailed focus on neurological dysfunction and misfolded proteins positions Prothena as a key player in addressing rare and neurodegenerative diseases.

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Prothena Corporation plc (NASDAQ:PRTA) announced the hiring of two new employees, granting them options to purchase a total of 140,000 ordinary shares at an exercise price of $70.74. This price reflects the closing trading price on October 1, 2021. The options will vest over four years, with 25% vesting after one year and the remaining vesting monthly over the following three years. This grant is part of Prothena's 2020 Employment Inducement Incentive Plan, approved by the board under Nasdaq guidelines.

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Prothena Corporation (NASDAQ:PRTA) announced key executive changes aimed at bolstering its transition to a fully integrated biotechnology company targeting rare diseases. Tran B. Nguyen has been appointed Chief Strategy Officer while continuing his role as Chief Financial Officer. Brandon Smith steps in as Chief Operating Officer. These roles focus on enhancing Prothena's long-term growth strategy, operational capabilities, and pipeline development, aiding in its mission to commercialize novel therapeutics for conditions like AL amyloidosis and Alzheimer’s disease.

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Prothena Corporation plc (NASDAQ:PRTA) announced the approval of a stock option grant to a new employee, allowing the purchase of 75,000 ordinary shares at an exercise price of $69.88. This is based on the closing trading price from September 1, 2021. The option will vest over four years, with 25% vesting after one year and the remainder vesting monthly over the following three years. This grant aligns with Prothena's 2020 Employment Inducement Incentive Plan.

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Prothena Corporation plc (NASDAQ:PRTA) announced participation in key investor conferences in September 2021, showcasing its commitment to addressing neurodegenerative diseases. Key events include Citi’s 16th Annual BioPharma Virtual Conference on September 8, featuring a fireside chat at 9:45 AM ET and a panel discussion at 11:35 AM ET. Additionally, the company will present at H.C. Wainwright's 23rd Annual Global Investment Conference on September 13 and the Cantor Global Healthcare Conference on September 27. Webcasts of these events will be available live and subsequently for 90 days on Prothena's website.

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Prothena Corporation (NASDAQ:PRTA) reported a net income of $27.6 million for Q2 2021, a significant improvement from a net loss of $26.3 million in the same quarter last year. Revenue for Q2 reached $60.1 million, up from $0.2 million in Q2 2020, primarily driven by collaboration payments. The company announced multiple strategic collaborations, achieving over $200 million in milestone payments in 2021. Prothena anticipates a strong cash position of approximately $491 million by year-end, up from prior guidance of $316 million. Upcoming milestones include key clinical data presentations.

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FAQ

What is the current stock price of Prothena (PRTA)?

The current stock price of Prothena (PRTA) is $8.67 as of February 27, 2026.

What is the market cap of Prothena (PRTA)?

The market cap of Prothena (PRTA) is approximately 465.1M.

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PRTA Stock Data

465.09M
43.39M
Biotechnology
Pharmaceutical Preparations
Link
Ireland
DUBLIN 2

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