ALPINE IMMUNE SCIENCES INC

CUSIP: 02083G100 Class: Common Stock

DRW Securities, LLC's Holding History (CIK: 0001481986)

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

Q4 2019
Shares 10,000 Value ($000) $38 Avg Close — Range —
Q3 2019
Shares 10,000 Value ($000) $40 Avg Close — Range —
Q2 2019
Shares 10,000 Value ($000) $42 Avg Close — Range —
Q1 2019
Shares 10,000 Value ($000) $69 Avg Close — Range —
Q4 2018
Shares 28,700 Value ($000) $106 Avg Close — Range —
Q3 2018
Shares 28,700 Value ($000) $182 Avg Close — Range —
Q2 2018
Shares 24,343 Value ($000) $184 Avg Close — Range —
Q1 2018
Shares 10,200 Value ($000) $82 Avg Close — Range —