SEATTLE GENETICS INC

CUSIP: 812578102 Class: COM

Commonwealth Financial Services, LLC's Holding History (CIK: 0001536755)

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

Q1 2017
Shares 100 Value ($000) $6 Avg Close — Range —
Q4 2016
Shares 100 Value ($000) $6 Avg Close — Range —
Q3 2016
Shares 100 Value ($000) $5 Avg Close — Range —
Q2 2016
Shares 100 Value ($000) $4 Avg Close — Range —
Q1 2016
Shares 100 Value ($000) $4 Avg Close — Range —
Q4 2015
Shares 100 Value ($000) $4 Avg Close — Range —
Q3 2015
Shares 100 Value ($000) $4 Avg Close — Range —
Q2 2015
Shares 100 Value ($000) $5 Avg Close — Range —
Q1 2015
Shares 100 Value ($000) $4 Avg Close — Range —
Q4 2014
Shares 100 Value ($000) $3 Avg Close — Range —