PROTHENA CORP PLC

Ticker: PRTA CUSIP: G72800108 Class: Common Stock

Rangeley Capital, LLC's Holding History (CIK: 0001517796)

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

Q4 2025

Shares 524,600 Value ($000) $5,010 Avg Close $10.18 Range $9.07 - $11.69

Q3 2025

Shares 560,457 Value ($000) $5,470 Avg Close $7.69 Range $5.96 - $9.85

Q2 2025

Shares 715,367 Value ($000) $4,342 Avg Close $7.50 Range $4.32 - $12.45

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	524,600	$5,010	$10.18	$9.07 - $11.69
Q3 2025	560,457	$5,470	$7.69	$5.96 - $9.85
Q2 2025	715,367	$4,342	$7.50	$4.32 - $12.45