Kenneth T. Mills

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
8 Aug 24	RGNX REGENXBIO	Common Stock	Option exercise	Acquire M	No	No	0.85	36,316	30.87 k	444,351
8 Aug 24	RGNX REGENXBIO	Stock Options Common Stock	Option exercise	Dispose M	No	No	0.85	36,316	30.87 k	0
25 Jul 24	RGNX REGENXBIO	Common Stock	Sell	Dispose S	No	Yes	13.9567	15,369	214.50 k	408,035
25 Jul 24	RGNX REGENXBIO	Common Stock	Option exercise	Acquire M	No	Yes	3.76	15,369	57.79 k	423,404
25 Jul 24	RGNX REGENXBIO	Stock Options Common Stock	Option exercise	Dispose M	No	No	3.76	15,369	57.79 k	51,354
24 Jul 24	RGNX REGENXBIO	Common Stock	Sell	Dispose S	No	Yes	13.7823	12,221	168.43 k	408,035
24 Jul 24	RGNX REGENXBIO	Common Stock	Option exercise	Acquire M	No	Yes	3.76	12,221	45.95 k	420,256
24 Jul 24	RGNX REGENXBIO	Stock Options Common Stock	Option exercise	Dispose M	No	Yes	3.76	12,221	45.95 k	66,723
17 Jul 24	RGNX REGENXBIO	Common Stock	Sell	Dispose S	No	Yes	13.7737	2,210	30.44 k	408,035
17 Jul 24	RGNX REGENXBIO	Common Stock	Option exercise	Acquire M	No	Yes	3.76	2,210	8.31 k	410,245

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