SIERRA ONCOLOGY INC

CUSIP: 82640U107 Class: COMMON

SECTORAL ASSET MANAGEMENT INC's Holding History (CIK: 0001274413)

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

Q2 2019
Shares 41,076 Value ($000) $23 Avg Close — Range —
Q1 2019
Shares 140,376 Value ($000) $240 Avg Close — Range —
Q4 2018
Shares 201,660 Value ($000) $343 Avg Close — Range —
Q3 2018
Shares 201,660 Value ($000) $343 Avg Close — Range —
Q2 2018
Shares 201,660 Value ($000) $597 Avg Close — Range —
Q1 2018
Shares 201,660 Value ($000) $417 Avg Close — Range —
Q4 2017
Shares 201,660 Value ($000) $752 Avg Close — Range —
Q3 2017
Shares 201,660 Value ($000) $313 Avg Close — Range —
Q2 2017
Shares 201,660 Value ($000) $236 Avg Close — Range —
Q1 2017
Shares 201,660 Value ($000) $309 Avg Close — Range —