SIERRA ONCOLOGY INC

CUSIP: 82640U107 Class: COMMON

SABBY MANAGEMENT, LLC's Holding History (CIK: 0001535610)

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

Q3 2017
Shares 533,563 Value ($000) $827 Avg Close — Range —
Q2 2017
Shares 1,662,487 Value ($000) $1,945 Avg Close — Range —
Q1 2017
Shares 1,746,261 Value ($000) $2,672 Avg Close — Range —