SIERRA ONCOLOGY INC

CUSIP: 82640U107 Class: COMMON

GUGGENHEIM CAPITAL LLC's Holding History (CIK: 0001283072)

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

Q1 2018
Shares 14,316 Value ($000) $30 Avg Close — Range —
Q4 2017
Shares 13,329 Value ($000) $50 Avg Close — Range —
Q3 2017
Shares 14,994 Value ($000) $23 Avg Close — Range —