Teresa McCarthy

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	28.5968	1,221	34.92 k	104,908
21 Jan 25	RNA Avidity Biosciences	Common Stock	Sell	Dispose S	No	Yes	28.5931	1,738	49.69 k	106,129
6 Jan 25	RNA Avidity Biosciences	Common Stock	Grant	Acquire A	No	No	0	25,000	0.00	107,867
6 Jan 25	RNA Avidity Biosciences	Stock Option Common Stock	Grant	Acquire A	No	No	31.42	50,000	1.57 mm	50,000
18 Dec 24	RNA Avidity Biosciences	Common Stock	Sell	Dispose S	No	Yes	32.66	11,151	364.19 k	82,867
16 Dec 24	RNA Avidity Biosciences	Common Stock	Sell	Dispose S	No	Yes	33.2642	25,000	831.61 k	94,018
16 Dec 24	RNA Avidity Biosciences	Common Stock	Option exercise	Acquire M	No	Yes	14.22	25,000	355.50 k	119,018
16 Dec 24	RNA Avidity Biosciences	Stock Option Common Stock	Option exercise	Dispose M	No	Yes	14.22	25,000	355.50 k	57,500
18 Nov 24	RNA Avidity Biosciences	Common Stock	Sell	Dispose S	No	Yes	41.1408	25,000	1.03 mm	94,018
18 Nov 24	RNA Avidity Biosciences	Common Stock	Option exercise	Acquire M	No	Yes	14.22	25,000	355.50 k	119,018

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