SIERRA ONCOLOGY INC

CUSIP: 82640U107 Class: COMMON

MML INVESTORS SERVICES, LLC's Holding History (CIK: 0000701059)

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

Q2 2018
Shares 18,000 Value ($000) $53 Avg Close — Range —
Q1 2018
Shares 18,000 Value ($000) $37 Avg Close — Range —
Q4 2017
Shares 14,000 Value ($000) $52 Avg Close — Range —