SIERRA ONCOLOGY INC

CUSIP: 82640U107 Class: COMMON

Connor, Clark & Lunn Investment Management Ltd.'s Holding History (CIK: 0001596800)

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

Q1 2019
Shares 41,050 Value ($000) $70 Avg Close — Range —
Q4 2018
Shares 49,025 Value ($000) $65 Avg Close — Range —
Q3 2018
Shares 82,950 Value ($000) $141 Avg Close — Range —
Q2 2018
Shares 102,950 Value ($000) $305 Avg Close — Range —
Q1 2018
Shares 82,000 Value ($000) $170 Avg Close — Range —
Q4 2017
Shares 24,700 Value ($000) $92 Avg Close — Range —
Q3 2017
Shares 12,000 Value ($000) $19 Avg Close — Range —
Q2 2017
Shares 12,600 Value ($000) $15 Avg Close — Range —
Q1 2017
Shares 14,800 Value ($000) $23 Avg Close — Range —