Upgrade to SI Premium - Free Trial

Prothena Corp. (PRTA)

8.79 0.00 (0.00%)

Chart
Today 6M 1Y 5Y

Upcoming Events

- Earnings (8/10/26)

Latest Headlines

Form 4 PROTHENA CORP PUBLIC For: Jun 04 Filed by: SCULLY WILLIAM P June 5, 2026 1:47 PM - SEC Filing Form 4 PROTHENA CORP PUBLIC For: Jun 02 Filed by: SCULLY WILLIAM P June 3, 2026 12:42 PM - SEC Filing Form 4 PROTHENA CORP PUBLIC For: May 22 Filed by: SCULLY WILLIAM P May 26, 2026 2:52 PM - SEC Filing Form 4 PROTHENA CORP PUBLIC For: May 15 Filed by: WELCH DANIEL G May 15, 2026 9:29 PM - SEC Filing Form 4 PROTHENA CORP PUBLIC For: May 15 Filed by: Selkoe Dennis J. May 15, 2026 9:29 PM - SEC Filing Form 4 PROTHENA CORP PUBLIC For: May 15 Filed by: Ekman Lars May 15, 2026 9:29 PM - SEC Filing Form 4 PROTHENA CORP PUBLIC For: May 15 Filed by: Dunn William H. Jr. May 15, 2026 9:28 PM - SEC Filing Form 4 PROTHENA CORP PUBLIC For: May 15 Filed by: Cooke Shane May 15, 2026 9:28 PM - SEC Filing Form 4 PROTHENA CORP PUBLIC For: May 15 Filed by: COLLIER RICHARD T May 15, 2026 9:28 PM - SEC Filing Form 8-K PROTHENA CORP PUBLIC For: May 14 May 15, 2026 4:36 PM - SEC Filing Form SCHEDULE 13G/A PROTHENA CORP PUBLIC Filed by: Rubric Capital Management LP May 15, 2026 4:14 PM - SEC Filing Form 3 PROTHENA CORP PUBLIC For: May 07 Filed by: SCULLY WILLIAM P May 14, 2026 6:23 PM - SEC Filing Form SCHEDULE 13G/A PROTHENA CORP PUBLIC Filed by: SCULLY WILLIAM P May 11, 2026 3:26 PM - SEC Filing Prothena Corp (PRTA) PT Raised to $20 at Citizens After Q1 Results May 8, 2026 4:59 AM - StreetInsider Prothena Corp. (PRTA) Tops Q1 EPS by 95c May 7, 2026 4:53 PM - StreetInsider Form 10-Q PROTHENA CORP PUBLIC For: Mar 31 May 7, 2026 4:23 PM - SEC Filing Form 8-K PROTHENA CORP PUBLIC For: May 07 May 7, 2026 4:17 PM - SEC Filing Prothena Reports First Quarter 2026 Financial Results and Business Highlights May 7, 2026 4:05 PM - BizWire Prothena to Report First Quarter 2026 Financial Results on May 7 April 30, 2026 4:05 PM - BizWire Novo Nordisk gets FDA fast track status for ATTR heart disease drug April 27, 2026 4:06 PM - StreetInsider Prothena Announces Novo Nordisk Obtains Fast Track Designation from the U.S. FDA for Coramitug (PRX004) in ATTR Amyloidosis with Cardiomyopathy April 27, 2026 4:05 PM - BizWire Form 4 PROTHENA CORP PUBLIC For: Apr 10 Filed by: Kingston Anne Evans April 10, 2026 7:22 PM - SEC Filing Form 3 PROTHENA CORP PUBLIC For: Apr 10 Filed by: Kingston Anne Evans April 10, 2026 7:22 PM - SEC Filing Prothena promotes Kingston to strategy chief, Isaacs to general counsel April 10, 2026 4:07 PM - StreetInsider Prothena Announces Leadership Team Updates April 10, 2026 4:05 PM - BizWire Form ARS PROTHENA CORP PUBLIC For: Dec 31 March 27, 2026 4:20 PM - SEC Filing Form DEFA14A PROTHENA CORP PUBLIC March 27, 2026 4:14 PM - SEC Filing Form DEF 14A PROTHENA CORP PUBLIC For: May 14 March 27, 2026 4:03 PM - SEC Filing H.C. Wainwright Reiterates Buy Rating on Prothena Corp (PRTA) March 24, 2026 6:39 AM - StreetInsider Prothena Partners Present Data Supporting Next Generation Treatments for Parkinson’s and Alzheimer’s Disease at AD/PD™ 2026 March 21, 2026 4:05 PM - BizWire Prothena (PRTA) Reiterated at Market Outperform by Citizens After Fireside Chat March 13, 2026 6:30 AM - StreetInsider Full Article List