MERSANA THERAPEUTICS INC

CUSIP: 59045L106 Class: COM

Artal Group S.A.'s Holding History (CIK: 0001053906)

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

Q2 2023
Shares 3,029,555 Value ($000) $10 Avg Close — Range —
Q1 2023
Shares 2,215,788 Value ($000) $9 Avg Close — Range —
Q4 2022
Shares 2,200,000 Value ($000) $13 Avg Close — Range —
Q3 2022
Shares 2,200,000 Value ($000) $14,872 Avg Close — Range —
Q2 2022
Shares 2,200,000 Value ($000) $10,164 Avg Close — Range —
Q1 2022
Shares 2,200,000 Value ($000) $8,778 Avg Close — Range —
Q4 2021
Shares 1,200,000 Value ($000) $7,464 Avg Close — Range —
Q3 2021
Shares 1,200,000 Value ($000) $11,316 Avg Close — Range —
Q2 2021
Shares 1,200,000 Value ($000) $16,296 Avg Close — Range —
Q1 2021
Shares 1,200,000 Value ($000) $19,416 Avg Close — Range —
Q4 2020
Shares 1,200,000 Value ($000) $31,932 Avg Close — Range —
Q3 2020
Shares 1,000,000 Value ($000) $18,620 Avg Close — Range —
Q2 2020
Shares 800,000 Value ($000) $18,720 Avg Close — Range —