SEATTLE GENETICS INC

CUSIP: 812578102 Class: COM

MASSMUTUAL TRUST CO FSB/ADV's Holding History (CIK: 0001103653)

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

Q3 2015
Shares 25 Value ($000) $930 Avg Close — Range —
Q2 2015
Shares 25 Value ($000) $956 Avg Close — Range —
Q4 2014
Shares 25 Value ($000) $803 Avg Close — Range —
Q3 2014
Shares 25 Value ($000) $930 Avg Close — Range —
Q2 2014
Shares 25 Value ($000) $956 Avg Close — Range —
Q1 2014
Shares 25 Value ($000) $1,139 Avg Close — Range —