Boyce Sarah

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
21 Jan 25	RNA Avidity Biosciences	Common Stock	Sell	Dispose S	No	Yes	28.5946	5,659	161.82 k	337,411
21 Jan 25	RNA Avidity Biosciences	Common Stock	Sell	Dispose S	No	Yes	28.5932	4,738	135.47 k	343,070
6 Jan 25	RNA Avidity Biosciences	Common Stock	Grant	Acquire A	No	No	0	82,500	0.00	347,808
6 Jan 25	RNA Avidity Biosciences	Stock Option Common Stock	Grant	Acquire A	No	No	31.42	165,000	5.18 mm	165,000
18 Dec 24	RNA Avidity Biosciences	Common Stock	Sell	Dispose S	No	Yes	32.66	31,855	1.04 mm	265,308
23 Sep 24	RNA Avidity Biosciences	Common Stock	Sell	Dispose S	No	Yes	44.0001	32,880	1.45 mm	234,663
19 Sep 24	RNA Avidity Biosciences	Common Stock	Grant	Acquire A	No	No	0	62,500	0.00	297,163
19 Sep 24	RNA Avidity Biosciences	Common Stock	Grant	Acquire A	No	No	0	62,500	0.00	267,543
6 Aug 24	RNA Avidity Biosciences	Common Stock	Sell	Dispose S	No	Yes	43.3508	28,000	1.21 mm	205,043
6 Aug 24	RNA Avidity Biosciences	Common Stock	Option exercise	Acquire M	No	Yes	1.24	28,000	34.72 k	233,043

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