ALPINE IMMUNE SCIENCES INC

CUSIP: 02083G100 Class: Common Stock

Spark Investment Management LLC's Holding History (CIK: 0001554871)

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

Q1 2018
Shares 13,600 Value ($000) $108 Avg Close — Range —
Q4 2017
Shares 16,600 Value ($000) $185 Avg Close — Range —
Q3 2017
Shares 30,500 Value ($000) $353 Avg Close — Range —