REGENXBIO INC

Ticker: RGNX CUSIP: 75901B107 Class: Common Stock

EAM Investors, LLC's Holding History (CIK: 0001510989)

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

Q3 2018

Shares 29,195 Value ($000) $2,204 Avg Close $72.05 Range $61.00 - $85.10

Q2 2018

Shares 37,420 Value ($000) $2,685 Avg Close $47.76 Range $26.80 - $75.15

Q2 2017

Shares 113,821 Value ($000) $2,248 Avg Close $19.36 Range $16.30 - $22.95

Q1 2017

Shares 150,086 Value ($000) $2,897 Avg Close $19.29 Range $16.30 - $24.15

Q4 2016

Shares 161,208 Value ($000) $2,990 Avg Close $19.11 Range $13.61 - $24.55

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	29,195	$2,204	$72.05	$61.00 - $85.10
Q2 2018	37,420	$2,685	$47.76	$26.80 - $75.15
Q2 2017	113,821	$2,248	$19.36	$16.30 - $22.95
Q1 2017	150,086	$2,897	$19.29	$16.30 - $24.15
Q4 2016	161,208	$2,990	$19.11	$13.61 - $24.55