SIERRA ONCOLOGY INC

CUSIP: 82640U107 Class: COMMON

FRED ALGER MANAGEMENT, LLC's Holding History (CIK: 0000003520)

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

Q1 2019
Shares 74,000 Value ($000) $127 Avg Close — Range —
Q4 2018
Shares 74,000 Value ($000) $98 Avg Close — Range —
Q3 2018
Shares 83,000 Value ($000) $141 Avg Close — Range —
Q2 2018
Shares 83,000 Value ($000) $246 Avg Close — Range —