REGENXBIO INC

Ticker: RGNX CUSIP: 75901B107 Class: Common Stock

Chevy Chase Trust Holdings, LLC's Holding History (CIK: 0001462020)

Note: Option positions (PUT/CALL) are excluded.

Q4 2019

Shares 1,000 Value ($000) $41 Avg Close $39.50 Range $34.02 - $45.88

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2019	1,000	$41	$39.50	$34.02 - $45.88