APTOSE BIOSCIENCES INC

CUSIP: 03835T200 Class: Stock

Rock Creek Group, LP's Holding History (CIK: 0001484067)

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

Q3 2021
Shares 67,600 Value ($000) $147 Avg Close — Range —
Q2 2021
Shares 220,161 Value ($000) $731 Avg Close — Range —
Q1 2021
Shares 190,000 Value ($000) $1,135 Avg Close — Range —
Q4 2020
Shares 305,000 Value ($000) $1,336 Avg Close — Range —
Q3 2020
Shares 258,125 Value ($000) $1,549 Avg Close — Range —
Q2 2020
Shares 160,000 Value ($000) $1,010 Avg Close — Range —
Q1 2020
Shares 240,000 Value ($000) $1,426 Avg Close — Range —
Q4 2019
Shares 115,600 Value ($000) $655 Avg Close — Range —
Q3 2019
Shares 90,000 Value ($000) $187 Avg Close — Range —
Q2 2019
Shares 97,700 Value ($000) $255 Avg Close — Range —