PIERIS PHARMACEUTICALS INC

CUSIP: 720795103 Class: COMMON

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

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

Q4 2017
Shares 21,500 Value ($000) $162 Avg Close — Range —
Q1 2017
Shares 14,100 Value ($000) $37 Avg Close — Range —
Q4 2016
Shares 1,800 Value ($000) $3 Avg Close — Range —
Q3 2016
Shares 1,800 Value ($000) $3 Avg Close — Range —
Q2 2016
Shares 1,800 Value ($000) $3 Avg Close — Range —
Q1 2016
Shares 3,200 Value ($000) $6 Avg Close — Range —