Teresa McCarthy

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
16 Oct 24	RNA Avidity Biosciences	Common Stock	Sell	Dispose S	No	Yes	48.5204	25,000	1.21 mm	94,018
16 Oct 24	RNA Avidity Biosciences	Common Stock	Option exercise	Acquire M	No	Yes	14.22	25,000	355.50 k	119,018
16 Oct 24	RNA Avidity Biosciences	Stock Option Common Stock	Option exercise	Dispose M	No	Yes	14.22	25,000	355.50 k	107,500
23 Sep 24	RNA Avidity Biosciences	Common Stock	Sell	Dispose S	No	Yes	44.0004	13,153	578.74 k	69,018
19 Sep 24	RNA Avidity Biosciences	Common Stock	Grant	Acquire A	No	No	0	25,000	0.00	94,018
19 Sep 24	RNA Avidity Biosciences	Common Stock	Grant	Acquire A	No	No	0	25,000	0.00	82,171
11 Sep 24	RNA Avidity Biosciences	Common Stock	Sell	Dispose S	No	Yes	40.4017	25,000	1.01 mm	57,171
11 Sep 24	RNA Avidity Biosciences	Common Stock	Option exercise	Acquire M	No	Yes	14.22	25,000	355.50 k	82,171
11 Sep 24	RNA Avidity Biosciences	Stock Option Common Stock	Option exercise	Dispose M	No	Yes	14.22	25,000	355.50 k	132,500
18 Jun 24	RNA Avidity Biosciences	Common Stock	Sell	Dispose S	No	Yes	39.1294	9,864	385.97 k	32,171

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