SIERRA ONCOLOGY INC

CUSIP: 82640U107 Class: COMMON

DAFNA Capital Management LLC's Holding History (CIK: 0001389933)

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

Q1 2018
Shares 79,969 Value ($000) $166 Avg Close — Range —
Q3 2017
Shares 44,000 Value ($000) $68 Avg Close — Range —
Q2 2017
Shares 265,000 Value ($000) $310 Avg Close — Range —
Q1 2017
Shares 265,000 Value ($000) $405 Avg Close — Range —