Prothena(PRTA) - 2022 Q3 - Quarterly Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Commission file number: 001-35676 ______________________________________ Washington, D.C. 20549 ______________________________________ FORM 10-Q _____________________________________ (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 Or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 PROTHENA CORPORATION PUBLIC LIMITED ...