Y-MABS THERAPEUTICS INC

CUSIP: 984241109 Class: Common Stock

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q1 2025
Shares 437 Value ($000) $0 Avg Close — Range —
Q4 2024
Shares 1,783 Value ($000) $0 Avg Close — Range —
Q4 2023
Shares 1,577 Value ($000) $0 Avg Close — Range —
Q3 2023
Shares 813 Value ($000) $0 Avg Close — Range —
Q2 2023
Shares 48 Value ($000) $0 Avg Close — Range —
Q3 2022
Shares 1,880 Value ($000) $27 Avg Close — Range —
Q2 2022
Shares 532 Value ($000) $8 Avg Close — Range —
Q1 2022
Shares 300 Value ($000) $3 Avg Close — Range —
Q1 2021
Shares 181 Value ($000) $5 Avg Close — Range —
Q4 2020
Shares 100 Value ($000) $4 Avg Close — Range —