SIERRA ONCOLOGY INC

CUSIP: 82640U107 Class: COMMON

Spark Investment Management LLC's Holding History (CIK: 0001554871)

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

Q4 2019
Shares 52,442 Value ($000) $17 Avg Close — Range —
Q3 2019
Shares 64,500 Value ($000) $25 Avg Close — Range —
Q2 2019
Shares 271,900 Value ($000) $152 Avg Close — Range —
Q1 2019
Shares 396,800 Value ($000) $678 Avg Close — Range —
Q4 2018
Shares 414,600 Value ($000) $547 Avg Close — Range —
Q3 2018
Shares 389,300 Value ($000) $661 Avg Close — Range —
Q2 2018
Shares 330,900 Value ($000) $979 Avg Close — Range —
Q1 2018
Shares 243,800 Value ($000) $504 Avg Close — Range —
Q3 2017
Shares 188,700 Value ($000) $292 Avg Close — Range —