SEATTLE GENETICS INC

CUSIP: 812578102 Class: COM

HARBOR INVESTMENT ADVISORY, LLC's Holding History (CIK: 0001468792)

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

Q2 2020
Shares 2,500 Value ($000) $425 Avg Close — Range —
Q1 2020
Shares 2,500 Value ($000) $288 Avg Close — Range —
Q4 2019
Shares 2,500 Value ($000) $286 Avg Close — Range —