SIERRA ONCOLOGY INC

CUSIP: 82640U107 Class: COMMON

BRIDGEWAY CAPITAL MANAGEMENT, LLC's Holding History (CIK: 0001107261)

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

Q3 2019
Shares 324,400 Value ($000) $127 Avg Close — Range —
Q2 2019
Shares 374,400 Value ($000) $210 Avg Close — Range —
Q1 2019
Shares 528,100 Value ($000) $903 Avg Close — Range —
Q4 2018
Shares 300,000 Value ($000) $396 Avg Close — Range —
Q3 2018
Shares 225,000 Value ($000) $383 Avg Close — Range —
Q2 2018
Shares 164,300 Value ($000) $486 Avg Close — Range —
Q1 2018
Shares 214,300 Value ($000) $444 Avg Close — Range —
Q4 2017
Shares 164,300 Value ($000) $613 Avg Close — Range —
Q3 2017
Shares 164,300 Value ($000) $255 Avg Close — Range —
Q2 2017
Shares 134,300 Value ($000) $157 Avg Close — Range —
Q1 2017
Shares 134,300 Value ($000) $205 Avg Close — Range —