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Prothena Corp. (PRTA)

8.03 -0.47 (5.53%)

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- Earnings (10/29/26)

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Form 4 PROTHENA CORP PUBLIC For: Oct 13 Filed by: SCULLY WILLIAM P October 15, 2026 4:22 PM - SEC Filing Form 4 PROTHENA CORP PUBLIC For: Oct 07 Filed by: SCULLY WILLIAM P October 9, 2026 9:43 AM - SEC Filing Form 4 PROTHENA CORP PUBLIC For: Oct 02 Filed by: SCULLY WILLIAM P October 6, 2026 1:54 PM - SEC Filing Form 8-K PROTHENA CORP PUBLIC For: Oct 02 October 2, 2026 4:18 PM - SEC Filing Form 4 PROTHENA CORP PUBLIC For: Sep 29 Filed by: SCULLY WILLIAM P September 30, 2026 5:10 PM - SEC Filing Form 4 PROTHENA CORP PUBLIC For: Sep 28 Filed by: SCULLY WILLIAM P September 29, 2026 5:38 PM - SEC Filing Form 4 PROTHENA CORP PUBLIC For: Sep 18 Filed by: SCULLY WILLIAM P September 21, 2026 4:24 PM - SEC Filing Prothena to Participate in the H.C. Wainwright 28th Annual Global Investment Conference September 9, 2026 4:05 PM - BizWire Form 4 PROTHENA CORP PUBLIC For: Aug 20 Filed by: SCULLY WILLIAM P August 21, 2026 2:33 PM - SEC Filing Form SCHEDULE 13G/A PROTHENA CORP PUBLIC Filed by: Fennell Todd W. August 19, 2026 10:19 AM - SEC Filing Form 3 PROTHENA CORP PUBLIC For: Aug 18 Filed by: Fennell Todd W. August 18, 2026 4:17 PM - SEC Filing Form 4 PROTHENA CORP PUBLIC For: Aug 18 Filed by: SCULLY WILLIAM P August 18, 2026 4:03 PM - SEC Filing Form SCHEDULE 13G/A PROTHENA CORP PUBLIC Filed by: Fennell Todd W. August 14, 2026 9:10 AM - SEC Filing Form 4 PROTHENA CORP PUBLIC For: Aug 10 Filed by: SCULLY WILLIAM P August 11, 2026 4:08 PM - SEC Filing Form 3 PROTHENA CORP PUBLIC For: Aug 06 Filed by: Fennell Todd W. August 11, 2026 9:38 AM - SEC Filing Form 4 PROTHENA CORP PUBLIC For: Aug 07 Filed by: SCULLY WILLIAM P August 10, 2026 3:25 PM - SEC Filing Form 10-Q PROTHENA CORP PUBLIC For: Jun 30 August 6, 2026 4:29 PM - SEC Filing Form 8-K PROTHENA CORP PUBLIC For: Aug 06 August 6, 2026 4:22 PM - SEC Filing Prothena Reports Second Quarter 2026 Financial Results and Business Highlights August 6, 2026 4:05 PM - BizWire Form SCHEDULE 13G/A PROTHENA CORP PUBLIC Filed by: FMR LLC August 6, 2026 10:39 AM - SEC Filing Form 4 PROTHENA CORP PUBLIC For: Jul 28 Filed by: Zago Wagner M. July 30, 2026 8:35 PM - SEC Filing Form 4 PROTHENA CORP PUBLIC For: Jul 28 Filed by: Walker Karin L July 30, 2026 8:34 PM - SEC Filing Form 4 PROTHENA CORP PUBLIC For: Jul 28 Filed by: Swanson Chad J. July 30, 2026 8:34 PM - SEC Filing Form 4 PROTHENA CORP PUBLIC For: Jul 28 Filed by: Smith Brandon S. July 30, 2026 8:33 PM - SEC Filing Form 4 PROTHENA CORP PUBLIC For: Jul 28 Filed by: Nguyen Tran July 30, 2026 8:33 PM - SEC Filing Form 4 PROTHENA CORP PUBLIC For: Jul 28 Filed by: Kinney Gene G. July 30, 2026 8:32 PM - SEC Filing Form 4 PROTHENA CORP PUBLIC For: Jul 28 Filed by: Kingston Anne Evans July 30, 2026 8:31 PM - SEC Filing Form 4 PROTHENA CORP PUBLIC For: Jul 28 Filed by: Isaacs Michael John July 30, 2026 8:30 PM - SEC Filing Prothena to Report Second Quarter 2026 Financial Results on August 6 July 30, 2026 4:05 PM - BizWire Form 144 PROTHENA CORP PUBLIC Filed by: Kingston Anne Evans July 29, 2026 4:13 PM - SEC Filing Form 144 PROTHENA CORP PUBLIC Filed by: Isaacs Michael John July 29, 2026 4:12 PM - SEC Filing Form SCHEDULE 13G/A PROTHENA CORP PUBLIC Filed by: BlackRock, Inc. July 29, 2026 3:20 PM - SEC Filing H.C. Wainwright Reiterates Buy Rating on Prothena Corp (PRTA) July 24, 2026 7:28 AM - StreetInsider Full Article List