SIERRA ONCOLOGY INC

CUSIP: 82640U107 Class: COMMON

UBS Group AG's Holding History (CIK: 0001610520)

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

Q4 2019
Shares 57,408 Value ($000) $20 Avg Close — Range —
Q3 2019
Shares 38,975 Value ($000) $15 Avg Close — Range —
Q2 2019
Shares 7,404 Value ($000) $4 Avg Close — Range —
Q4 2018
Shares 46,362 Value ($000) $61 Avg Close — Range —
Q3 2018
Shares 194,807 Value ($000) $331 Avg Close — Range —
Q2 2018
Shares 223,348 Value ($000) $661 Avg Close — Range —
Q1 2018
Shares 53,807 Value ($000) $111 Avg Close — Range —
Q3 2017
Shares 5,138 Value ($000) $8 Avg Close — Range —
Q1 2017
Shares 2,905 Value ($000) $4 Avg Close — Range —