SIERRA ONCOLOGY INC

CUSIP: 82640U107 Class: COMMON

MANGROVE PARTNERS IM, LLC's Holding History (CIK: 0001535392)

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

Q3 2019
Shares 3,688,609 Value ($000) $1,440 Avg Close — Range —
Q2 2019
Shares 3,688,609 Value ($000) $2,066 Avg Close — Range —
Q1 2019
Shares 3,688,609 Value ($000) $6,308 Avg Close — Range —
Q4 2018
Shares 3,688,609 Value ($000) $4,869 Avg Close — Range —
Q3 2018
Shares 487,237 Value ($000) $828 Avg Close — Range —