SEATTLE GENETICS INC

CUSIP: 81257810 Class: COM

INGALLS & SNYDER LLC's Holding History (CIK: 0001041885)

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

Q1 2016
Shares 24,853 Value ($000) $872 Avg Close — Range —
Q4 2015
Shares 31,058 Value ($000) $1,393 Avg Close — Range —
Q3 2015
Shares 29,243 Value ($000) $1,127 Avg Close — Range —
Q2 2015
Shares 33,095 Value ($000) $1,601 Avg Close — Range —
Q1 2015
Shares 34,807 Value ($000) $1,230 Avg Close — Range —
Q4 2014
Shares 33,870 Value ($000) $1,088 Avg Close — Range —
Q3 2014
Shares 36,953 Value ($000) $1,373 Avg Close — Range —
Q2 2014
Shares 39,103 Value ($000) $1,495 Avg Close — Range —
Q1 2014
Shares 36,630 Value ($000) $1,668 Avg Close — Range —
Q4 2013
Shares 40,590 Value ($000) $1,619 Avg Close — Range —
Q3 2013
Shares 41,415 Value ($000) $1,815 Avg Close — Range —
Q2 2013
Shares 42,865 Value ($000) $1,348 Avg Close — Range —