REGENXBIO INC

Ticker: RGNX CUSIP: 75901B107 Class: Common Stock

Spark Investment Management LLC's Holding History (CIK: 0001554871)

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

Q3 2018

Shares 40,910 Value ($000) $3,088 Avg Close $72.05 Range $61.00 - $85.10

Q4 2015

Shares 22,900 Value ($000) $380 Avg Close $19.85 Range $13.77 - $25.00

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	40,910	$3,088	$72.05	$61.00 - $85.10
Q4 2015	22,900	$380	$19.85	$13.77 - $25.00