APTOSE BIOSCIENCES INC

CUSIP: 03835T200 Class: Stock

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q3 2021
Shares 62,000 Value ($000) $135 Avg Close — Range —
Q4 2019
Shares 16,100 Value ($000) $91 Avg Close — Range —