SIERRA ONCOLOGY INC

CUSIP: 82640U107 Class: COMMON

GREENLEAF TRUST's Holding History (CIK: 0001162170)

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

Q4 2019
Shares 216,179 Value ($000) $74 Avg Close — Range —
Q3 2019
Shares 216,179 Value ($000) $84 Avg Close — Range —
Q2 2019
Shares 216,179 Value ($000) $121 Avg Close — Range —
Q1 2019
Shares 216,179 Value ($000) $370 Avg Close — Range —
Q4 2018
Shares 216,179 Value ($000) $285 Avg Close — Range —
Q3 2018
Shares 216,179 Value ($000) $368 Avg Close — Range —
Q2 2018
Shares 216,179 Value ($000) $640 Avg Close — Range —
Q1 2018
Shares 216,179 Value ($000) $447 Avg Close — Range —
Q4 2017
Shares 207,923 Value ($000) $776 Avg Close — Range —
Q3 2017
Shares 211,624 Value ($000) $328 Avg Close — Range —
Q2 2017
Shares 221,624 Value ($000) $259 Avg Close — Range —
Q1 2017
Shares 214,109 Value ($000) $328 Avg Close — Range —