SEAGEN INC

CUSIP: 81181C104 Class: Common Stock

Avidity Partners Management LP's Holding History (CIK: 0001791827)

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

Q3 2022
Shares 445,500 Value ($000) $60,958 Avg Close — Range —
Q2 2022
Shares 550,000 Value ($000) $97,317 Avg Close — Range —
Q1 2022
Shares 100,000 Value ($000) $14,405 Avg Close — Range —
Q4 2021
Shares 685,000 Value ($000) $105,901 Avg Close — Range —
Q3 2021
Shares 537,000 Value ($000) $91,183 Avg Close — Range —
Q2 2021
Shares 640,000 Value ($000) $101,043 Avg Close — Range —
Q1 2021
Shares 577,900 Value ($000) $80,247 Avg Close — Range —