PROTHENA CORP PLC

Ticker: PRTA CUSIP: G72800108 Class: Common Stock

SUMMIT SECURITIES GROUP LLC's Holding History (CIK: 0001531593)

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

Q2 2024

Shares 500 Value ($000) $0 Avg Close $21.64 Range $18.69 - $26.36

Q1 2024

Shares 500 Value ($000) $0 Avg Close $29.75 Range $24.25 - $41.55

Q4 2023

Shares 1,000 Value ($000) $0 Avg Close $38.49 Range $28.51 - $55.89

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2024	500	$0	$21.64	$18.69 - $26.36
Q1 2024	500	$0	$29.75	$24.25 - $41.55
Q4 2023	1,000	$0	$38.49	$28.51 - $55.89