Y-MABS THERAPEUTICS INC

CUSIP: 984241109 Class: Common Stock

SPHERA FUNDS MANAGEMENT LTD.'s Holding History (CIK: 0001496201)

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

Q4 2020
Shares 131,016 Value ($000) $6,487 Avg Close — Range —
Q3 2020
Shares 396,521 Value ($000) $15,222 Avg Close — Range —
Q2 2020
Shares 282,252 Value ($000) $12,193 Avg Close — Range —
Q1 2020
Shares 307,379 Value ($000) $8,023 Avg Close — Range —
Q4 2019
Shares 213,293 Value ($000) $6,665 Avg Close — Range —
Q3 2019
Shares 190,000 Value ($000) $4,951 Avg Close — Range —
Q2 2019
Shares 190,000 Value ($000) $4,345 Avg Close — Range —