ALPINE IMMUNE SCIENCES INC

CUSIP: 02083G100 Class: Common Stock

PURA VIDA INVESTMENTS, LLC's Holding History (CIK: 0001590144)

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

Q4 2022
Shares 30,924 Value ($000) $227 Avg Close — Range —
Q1 2021
Shares 131,981 Value ($000) $1,399 Avg Close — Range —
Q4 2020
Shares 137,108 Value ($000) $1,728 Avg Close — Range —