SIERRA ONCOLOGY INC

CUSIP: 82640U107 Class: COMMON

Bank of New York Mellon Corp's Holding History (CIK: 0001390777)

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

Q2 2018
Shares 75,001 Value ($000) $222 Avg Close — Range —
Q1 2018
Shares 75,001 Value ($000) $155 Avg Close — Range —
Q4 2017
Shares 75,001 Value ($000) $280 Avg Close — Range —