MacLean Michael F

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
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
6 Nov 24	RNA Avidity Biosciences	Stock Option Common Stock	Option exercise	Dispose M	No	Yes	6.57	13,875	91.16 k	60,125
6 Nov 24	RNA Avidity Biosciences	Stock Option Common Stock	Option exercise	Dispose M	No	Yes	8.82	65,182	574.91 k	0
23 Sep 24	RNA Avidity Biosciences	Common Stock	Sell	Dispose S	No	Yes	44	11,510	506.44 k	96,355
19 Sep 24	RNA Avidity Biosciences	Common Stock	Grant	Acquire A	No	No	0	25,000	0.00	121,355

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