APTOSE BIOSCIENCES INC

CUSIP: 03835T200 Class: Stock

Sigma Planning Corp's Holding History (CIK: 0001449126)

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

Q1 2023
Shares 1,444,550 Value ($000) $925 Avg Close — Range —
Q4 2022
Shares 1,070,504 Value ($000) $621 Avg Close — Range —
Q3 2022
Shares 899,554 Value ($000) $535 Avg Close — Range —
Q2 2022
Shares 842,174 Value ($000) $625 Avg Close — Range —
Q1 2022
Shares 791,274 Value ($000) $1,076 Avg Close — Range —
Q4 2021
Shares 567,314 Value ($000) $766 Avg Close — Range —
Q3 2021
Shares 512,519 Value ($000) $1,117 Avg Close — Range —
Q2 2021
Shares 380,044 Value ($000) $1,262 Avg Close — Range —
Q1 2021
Shares 326,390 Value ($000) $1,950 Avg Close — Range —
Q4 2020
Shares 290,440 Value ($000) $1,272 Avg Close — Range —
Q3 2020
Shares 257,665 Value ($000) $1,546 Avg Close — Range —
Q2 2020
Shares 247,855 Value ($000) $1,564 Avg Close — Range —
Q1 2020
Shares 240,965 Value ($000) $1,431 Avg Close — Range —
Q4 2019
Shares 237,150 Value ($000) $1,345 Avg Close — Range —
Q3 2019
Shares 228,150 Value ($000) $476 Avg Close — Range —
Q2 2019
Shares 219,150 Value ($000) $572 Avg Close — Range —