SIERRA ONCOLOGY INC

CUSIP: 82640U107 Class: COMMON

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q3 2019
Shares 118,257 Value ($000) $46 Avg Close — Range —
Q2 2019
Shares 986,137 Value ($000) $552 Avg Close — Range —
Q1 2019
Shares 986,137 Value ($000) $1,686 Avg Close — Range —
Q4 2018
Shares 1,009,804 Value ($000) $1,333 Avg Close — Range —
Q3 2018
Shares 1,047,946 Value ($000) $1,782 Avg Close — Range —
Q2 2018
Shares 1,039,548 Value ($000) $3,077 Avg Close — Range —
Q1 2018
Shares 752,191 Value ($000) $1,557 Avg Close — Range —
Q4 2017
Shares 276,903 Value ($000) $1,033 Avg Close — Range —