MacLean Michael F

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	28.5932	1,665	47.61 k	104,655
21 Jan 25	RNA Avidity Biosciences	Common Stock	Sell	Dispose S	No	Yes	28.5929	1,622	46.38 k	106,320
6 Jan 25	RNA Avidity Biosciences	Common Stock	Grant	Acquire A	No	No	0	25,000	0.00	107,942
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	82,942
6 Nov 24	RNA Avidity Biosciences	Common Stock	Sell	Dispose S	No	Yes	45.3339	13,875	629.01 k	94,093
6 Nov 24	RNA Avidity Biosciences	Common Stock	Option exercise	Acquire M	No	Yes	6.57	13,875	91.16 k	107,968
6 Nov 24	RNA Avidity Biosciences	Common Stock	Sell	Dispose S	No	Yes	45.3339	65,182	2.95 mm	94,093
6 Nov 24	RNA Avidity Biosciences	Common Stock	Option exercise	Acquire M	No	Yes	8.82	65,182	574.91 k	159,275
6 Nov 24	RNA Avidity Biosciences	Common Stock	Sell	Dispose S	No	Yes	46.2188	27,262	1.26 mm	94,093

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