PROTHENA CORP PLC

Ticker: PRTA CUSIP: G72800108 Class: Common Stock

ROTHSCHILD INVESTMENT LLC's Holding History (CIK: 0000085338)

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

Q1 2025

Shares 45 Value ($000) $1 Avg Close $14.14 Range $11.78 - $16.66

Q4 2024

Shares 35 Value ($000) $0 Avg Close $15.77 Range $11.70 - $18.88

Q3 2024

Shares 40 Value ($000) $1 Avg Close $21.50 Range $15.52 - $25.42

Q2 2024

Shares 10 Value ($000) $0 Avg Close $21.64 Range $18.69 - $26.36

Q1 2024

Shares 5 Value ($000) $0 Avg Close $29.75 Range $24.25 - $41.55

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2025	45	$1	$14.14	$11.78 - $16.66
Q4 2024	35	$0	$15.77	$11.70 - $18.88
Q3 2024	40	$1	$21.50	$15.52 - $25.42
Q2 2024	10	$0	$21.64	$18.69 - $26.36
Q1 2024	5	$0	$29.75	$24.25 - $41.55