SEATTLE GENETICS INC

CUSIP: 812578102 Class: COM

BALDWIN BROTHERS LLC/MA's Holding History (CIK: 0001021258)

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

Q3 2020
Shares 25 Value ($000) $5 Avg Close — Range —
Q2 2020
Shares 275 Value ($000) $47 Avg Close — Range —
Q1 2020
Shares 25 Value ($000) $3 Avg Close — Range —
Q4 2019
Shares 25 Value ($000) $3 Avg Close — Range —