SEATTLE GENETICS INC

CUSIP: 812578102 Class: COM

CASTLEARK MANAGEMENT LLC's Holding History (CIK: 0001106832)

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

Q2 2020
Shares 1,635 Value ($000) $278 Avg Close — Range —
Q1 2020
Shares 21,150 Value ($000) $2,440 Avg Close — Range —
Q4 2019
Shares 26,820 Value ($000) $3,064 Avg Close — Range —
Q3 2019
Shares 31,300 Value ($000) $2,673 Avg Close — Range —
Q3 2018
Shares 56,075 Value ($000) $4,325 Avg Close — Range —
Q4 2016
Shares 37,460 Value ($000) $1,977 Avg Close — Range —