REGENXBIO INC

Ticker: RGNX CUSIP: 75901B107 Class: Common Stock

PURA VIDA INVESTMENTS, LLC's Holding History (CIK: 0001590144)

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

Q3 2017

Shares 33,920 Value ($000) $1,118 Avg Close $22.51 Range $17.60 - $33.85

Q2 2017

Shares 28,820 Value ($000) $569 Avg Close $19.36 Range $16.30 - $22.95

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2017	33,920	$1,118	$22.51	$17.60 - $33.85
Q2 2017	28,820	$569	$19.36	$16.30 - $22.95