MERSANA THERAPEUTICS INC

CUSIP: 59045L106 Class: COM

PRICE T ROWE ASSOCIATES INC /MD/'s Holding History (CIK: 0000080255)

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

Q1 2025
Shares 62,093 Value ($000) $0 Avg Close — Range —
Q4 2024
Shares 62,093 Value ($000) $0 Avg Close — Range —
Q3 2024
Shares 99,078 Value ($000) $0 Avg Close — Range —
Q2 2024
Shares 99,078 Value ($000) $0 Avg Close — Range —
Q1 2024
Shares 79,932 Value ($000) $0 Avg Close — Range —
Q4 2023
Shares 74,970 Value ($000) $0 Avg Close — Range —
Q3 2023
Shares 87,113 Value ($000) $0 Avg Close — Range —
Q2 2023
Shares 119,345 Value ($000) $0 Avg Close — Range —
Q1 2023
Shares 121,377 Value ($000) $1 Avg Close — Range —
Q4 2022
Shares 120,519 Value ($000) $1 Avg Close — Range —
Q3 2022
Shares 112,039 Value ($000) $758 Avg Close — Range —
Q2 2022
Shares 139,819 Value ($000) $646 Avg Close — Range —
Q1 2022
Shares 138,034 Value ($000) $551 Avg Close — Range —
Q4 2021
Shares 114,447 Value ($000) $712 Avg Close — Range —
Q3 2021
Shares 980,896 Value ($000) $9,250 Avg Close — Range —
Q2 2021
Shares 2,317,747 Value ($000) $31,475 Avg Close — Range —
Q1 2021
Shares 2,974,087 Value ($000) $48,121 Avg Close — Range —
Q4 2020
Shares 3,304,346 Value ($000) $87,929 Avg Close — Range —
Q3 2020
Shares 1,828,619 Value ($000) $34,049 Avg Close — Range —
Q2 2020
Shares 745,220 Value ($000) $17,438 Avg Close — Range —