SEATTLE GENETICS INC

CUSIP: 812578102 Class: COM

Canton Hathaway, LLC's Holding History (CIK: 0001755785)

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

Q4 2019
Shares 2,400 Value ($000) $274 Avg Close — Range —
Q3 2019
Shares 2,400 Value ($000) $205 Avg Close — Range —
Q2 2019
Shares 2,400 Value ($000) $166 Avg Close — Range —
Q1 2019
Shares 2,400 Value ($000) $175 Avg Close — Range —
Q4 2018
Shares 600 Value ($000) $34 Avg Close — Range —
Q3 2018
Shares 33,840 Value ($000) $2,610 Avg Close — Range —