SEATTLE GENETICS INC

CUSIP: 812578102 Class: COM

Blackhawk Capital Partners LLC.'s Holding History (CIK: 0001582561)

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

Q1 2018
Shares 1,855 Value ($000) $97 Avg Close — Range —
Q4 2017
Shares 2,035 Value ($000) $109 Avg Close — Range —