SEATTLE GENETICS INC

CUSIP: 812578102 Class: COM

GAM Holding AG's Holding History (CIK: 0001438848)

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

Q2 2017
Shares 4,564 Value ($000) $236 Avg Close — Range —
Q1 2017
Shares 4,564 Value ($000) $287 Avg Close — Range —
Q4 2016
Shares 4,564 Value ($000) $241 Avg Close — Range —
Q3 2013
Shares 3,600 Value ($000) $158 Avg Close — Range —