Prothena Corporation Public Ltd. Co.

PRTA

Financials

10-QQ2 ended 06/30/2608/06/26 10-QQ1 ended 03/31/2605/07/26 10-KFY 202502/27/26 10-QQ3 ended 09/30/2511/06/25 10-QQ2 ended 06/30/2508/04/25

Disclosures

8-KCurrent report10/29/26 8-KCurrent report10/02/26 8-KCurrent report08/06/26 8-KCurrent report05/15/26 8-KCurrent report05/07/26

Prospectuses and Registrations

POS AMPost-effective amendment02/27/26 POSASRProspectus / registration02/27/26 S-8Registration of securities for employees08/08/25 S-8Registration of securities for employees08/08/24 S-3ASRAutomatic shelf registration02/22/24

Proxies

DEF 14ADefinitive proxy03/27/26 DEFA14AAdditional proxy materials03/27/26 DEFA14AAdditional proxy materials11/06/25 DEF 14ADefinitive proxy10/07/25 DEFA14AAdditional proxy materials10/07/25

Ownership

Form 4Insider transaction10/29/26 Form 4Insider transaction10/26/26 Form 4Insider transaction10/15/26 Form 4Insider transaction10/09/26 Form 4Insider transaction10/06/26

Other

ARSAnnual report to shareholders03/27/26 EFFECTRequest for effectiveness03/02/26 ARSAnnual report to shareholders03/28/25 ARSAnnual report to shareholders03/29/24 UPLOADLetter from the SEC08/23/23