Michael J Malecek

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	85,000	2.58 mm	85,000
27 Sep 23	PRTA Prothena	Ordinary Shares, par value $0.01 per share	Sell	Dispose S	No	Yes	48.3148	404	19.52 k	0
27 Sep 23	PRTA Prothena	Ordinary Shares, par value $0.01 per share	Sell	Dispose S	No	Yes	47.2945	4,596	217.37 k	404
27 Sep 23	PRTA Prothena	Ordinary Shares, par value $0.01 per share	Option exercise	Acquire M	No	No	10.27	5,000	51.35 k	5,000
27 Sep 23	PRTA Prothena	Stock Option Ordinary Shares	Option exercise	Dispose M	No	No	10.27	5,000	51.35 k	90,000
30 Aug 23	PRTA Prothena	Ordinary Shares, par value $0.01 per share	Sell	Dispose S	No	Yes	56.21	14	786.94	0
30 Aug 23	PRTA Prothena	Ordinary Shares, par value $0.01 per share	Sell	Dispose S	No	Yes	55.3871	2,664	147.55 k	14
30 Aug 23	PRTA Prothena	Ordinary Shares, par value $0.01 per share	Sell	Dispose S	No	Yes	54.577	2,322	126.73 k	2,678
30 Aug 23	PRTA Prothena	Ordinary Shares, par value $0.01 per share	Option exercise	Acquire M	No	No	10.27	5,000	51.35 k	5,000
30 Aug 23	PRTA Prothena	Stock Option Ordinary Shares	Option exercise	Dispose M	No	No	10.27	5,000	51.35 k	95,000

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