REGULUS THERAPEUTICS INC

CUSIP: 75915K101 Class: COM

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q4 2015
Shares 4,400 Value ($000) $38 Avg Close — Range —
Q3 2015
Shares 11,400 Value ($000) $75 Avg Close — Range —