PROTHENA CORP PLC

Ticker: PRTA CUSIP: G72800108 Class: Common Stock

DRW Securities, LLC's Holding History (CIK: 0001481986)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 11,955 Value ($000) $114 Avg Close $10.18 Range $9.07 - $11.69

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	11,955	$114	$10.18	$9.07 - $11.69