AVEXIS INC

CUSIP: 05366U100 Class: Common equity shares

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q4 2017
Shares 12,375 Value ($000) $1,369 Avg Close — Range —
Q1 2017
Shares 15,240 Value ($000) $1,158 Avg Close — Range —