SIERRA ONCOLOGY INC

CUSIP: 82640U107 Class: COMMON

Invesco Ltd.'s Holding History (CIK: 0000914208)

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

Q4 2018
Shares 14,779 Value ($000) $20 Avg Close — Range —
Q3 2018
Shares 33,528 Value ($000) $57 Avg Close — Range —
Q2 2018
Shares 33,817 Value ($000) $100 Avg Close — Range —
Q1 2018
Shares 22,514 Value ($000) $47 Avg Close — Range —