SIERRA ONCOLOGY INC

CUSIP: 82640U404 Class: CMN

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

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

Q4 2021
Shares 71,320 Value ($000) $1,550 Avg Close — Range —
Q3 2021
Shares 73,633 Value ($000) $1,614 Avg Close — Range —
Q2 2021
Shares 74,967 Value ($000) $1,460 Avg Close — Range —
Q1 2021
Shares 77,263 Value ($000) $1,331 Avg Close — Range —
Q4 2020
Shares 18,940 Value ($000) $304 Avg Close — Range —
Q3 2020
Shares 18,940 Value ($000) $202 Avg Close — Range —
Q2 2020
Shares 18,940 Value ($000) $229 Avg Close — Range —
Q1 2020
Shares 18,940 Value ($000) $186 Avg Close — Range —