Y-MABS THERAPEUTICS INC

CUSIP: 984241109 Class: Common Stock

BANK OF MONTREAL /CAN/'s Holding History (CIK: 0000927971)

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

Q1 2021
Shares 945 Value ($000) $27 Avg Close — Range —
Q4 2020
Shares 4,806 Value ($000) $249 Avg Close — Range —
Q3 2020
Shares 1,470 Value ($000) $56 Avg Close — Range —
Q2 2020
Shares 2,477 Value ($000) $100 Avg Close — Range —
Q1 2020
Shares 107 Value ($000) $3 Avg Close — Range —
Q4 2019
Shares 2,984 Value ($000) $93 Avg Close — Range —
Q3 2019
Shares 1,788 Value ($000) $47 Avg Close — Range —
Q2 2019
Shares 1,709 Value ($000) $39 Avg Close — Range —