SEATTLE GENETICS INC

CUSIP: 812578102 Class: COM

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q2 2020
Shares 1,827 Value ($000) $0 Avg Close — Range —
Q1 2020
Shares 120 Value ($000) $13 Avg Close — Range —
Q4 2019
Shares 12,128 Value ($000) $1,385 Avg Close — Range —
Q3 2019
Shares 21,275 Value ($000) $1,816 Avg Close — Range —
Q2 2019
Shares 6,979 Value ($000) $483 Avg Close — Range —
Q1 2019
Shares 10,281 Value ($000) $752 Avg Close — Range —
Q4 2018
Shares 5,415 Value ($000) $306 Avg Close — Range —
Q3 2018
Shares 6,095 Value ($000) $470 Avg Close — Range —
Q2 2018
Shares 11,195 Value ($000) $743 Avg Close — Range —
Q1 2018
Shares 10,962 Value ($000) $573 Avg Close — Range —
Q2 2017
Shares 10,082 Value ($000) $521 Avg Close — Range —
Q1 2017
Shares 8,703 Value ($000) $547 Avg Close — Range —
Q4 2015
Shares 3,787 Value ($000) $169 Avg Close — Range —
Q3 2015
Shares 4,488 Value ($000) $173 Avg Close — Range —
Q1 2015
Shares 3,197 Value ($000) $113 Avg Close — Range —
Q4 2014
Shares 7,550 Value ($000) $243 Avg Close — Range —