Walker Karin L

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
27 Feb 24	PRTA Prothena	Stock Option Ordinary Shares	Grant	Acquire A	No	No	30.3	54,000	1.64 mm	54,000
24 Jan 24	PRTA Prothena	Ordinary Shares, par value $0.01 per share	Sell	Dispose S	No	Yes	34	5,000	170.00 k	0
24 Jan 24	PRTA Prothena	Ordinary Shares, par value $0.01 per share	Option exercise	Acquire M	No	No	13.53	5,000	67.65 k	5,000
24 Jan 24	PRTA Prothena	Stock Option Ordinary Shares	Option exercise	Dispose M	No	No	13.53	5,000	67.65 k	15,000
20 Dec 23	PRTA Prothena	Ordinary Shares, par value $0.01 per share	Sell	Dispose S	No	Yes	37.4499	3,322	124.41 k	0
20 Dec 23	PRTA Prothena	Ordinary Shares, par value $0.01 per share	Sell	Dispose S	No	Yes	36.6765	1,678	61.54 k	3,322
20 Dec 23	PRTA Prothena	Ordinary Shares, par value $0.01 per share	Option exercise	Acquire M	No	No	13.53	5,000	67.65 k	5,000
20 Dec 23	PRTA Prothena	Stock Option Ordinary Shares	Option exercise	Dispose M	No	No	13.53	5,000	67.65 k	20,000
30 Nov 23	PRTA Prothena	Ordinary Shares, par value $0.01 per share	Sell	Dispose S	No	Yes	34	5,000	170.00 k	0
30 Nov 23	PRTA Prothena	Ordinary Shares, par value $0.01 per share	Option exercise	Acquire M	No	No	13.53	5,000	67.65 k	5,000

Data from 3, 4 and 5 filings. Values as filed, not updated for current price.