PROTHENA CORP PLC

Ticker: PRTA CUSIP: G72800108 Class: Common Stock

GF FUND MANAGEMENT CO. LTD.'s Holding History (CIK: 0002057060)

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

Q4 2025

Shares 1,057 Value ($000) $10 Avg Close $10.18 Range $9.07 - $11.69

Q3 2025

Shares 1,155 Value ($000) $11 Avg Close $7.69 Range $5.96 - $9.85

Q2 2025

Shares 1,377 Value ($000) $8 Avg Close $7.50 Range $4.32 - $12.45

Q1 2025

Shares 1,377 Value ($000) $17 Avg Close $14.14 Range $11.78 - $16.66

Q4 2024

Shares 1,130 Value ($000) $16 Avg Close $15.77 Range $11.70 - $18.88

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,057	$10	$10.18	$9.07 - $11.69
Q3 2025	1,155	$11	$7.69	$5.96 - $9.85
Q2 2025	1,377	$8	$7.50	$4.32 - $12.45
Q1 2025	1,377	$17	$14.14	$11.78 - $16.66
Q4 2024	1,130	$16	$15.77	$11.70 - $18.88