SEAGEN INC

CUSIP: 81181C104 Class: Common Stock

Atika Capital Management LLC's Holding History (CIK: 0001599731)

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

Q4 2022
Shares 1,000 Value ($000) $129 Avg Close — Range —
Q3 2022
Shares 117,000 Value ($000) $16,009 Avg Close — Range —
Q2 2022
Shares 282,500 Value ($000) $49,985 Avg Close — Range —