SEATTLE GENETICS INC

CUSIP: 812578102 Class: COM

FIRST MANHATTAN CO. LLC.'s Holding History (CIK: 0000728083)

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

Q3 2020
Shares 3,400 Value ($000) $665 Avg Close — Range —
Q2 2020
Shares 3,400 Value ($000) $577 Avg Close — Range —
Q1 2020
Shares 3,400 Value ($000) $392 Avg Close — Range —
Q4 2019
Shares 3,400 Value ($000) $388 Avg Close — Range —
Q3 2019
Shares 3,400 Value ($000) $290 Avg Close — Range —
Q2 2019
Shares 3,400 Value ($000) $235 Avg Close — Range —
Q1 2019
Shares 3,400 Value ($000) $249 Avg Close — Range —
Q4 2018
Shares 3,400 Value ($000) $192 Avg Close — Range —
Q3 2018
Shares 3,400 Value ($000) $262 Avg Close — Range —
Q2 2018
Shares 3,150 Value ($000) $209 Avg Close — Range —
Q1 2018
Shares 3,150 Value ($000) $164 Avg Close — Range —
Q4 2017
Shares 3,150 Value ($000) $168 Avg Close — Range —
Q3 2017
Shares 3,150 Value ($000) $171 Avg Close — Range —
Q2 2017
Shares 3,150 Value ($000) $162 Avg Close — Range —
Q1 2017
Shares 2,400 Value ($000) $150 Avg Close — Range —
Q4 2016
Shares 2,500 Value ($000) $131 Avg Close — Range —
Q3 2016
Shares 2,500 Value ($000) $135 Avg Close — Range —
Q2 2016
Shares 2,500 Value ($000) $101 Avg Close — Range —
Q1 2016
Shares 2,500 Value ($000) $87 Avg Close — Range —
Q4 2015
Shares 2,500 Value ($000) $112 Avg Close — Range —
Q3 2015
Shares 2,500 Value ($000) $96 Avg Close — Range —
Q2 2015
Shares 2,500 Value ($000) $121 Avg Close — Range —
Q1 2015
Shares 2,500 Value ($000) $88 Avg Close — Range —
Q4 2014
Shares 2,200 Value ($000) $70 Avg Close — Range —
Q3 2014
Shares 2,200 Value ($000) $81 Avg Close — Range —
Q2 2014
Shares 2,200 Value ($000) $84 Avg Close — Range —
Q1 2014
Shares 2,000 Value ($000) $91 Avg Close — Range —
Q4 2013
Shares 2,000 Value ($000) $79 Avg Close — Range —
Q3 2013
Shares 2,000 Value ($000) $87 Avg Close — Range —
Q2 2013
Shares 2,000 Value ($000) $79 Avg Close — Range —