MERSANA THERAPEUTICS INC

CUSIP: 59045L106 Class: COM

STATE OF WISCONSIN INVESTMENT BOARD's Holding History (CIK: 0000854157)

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

Q2 2024
Shares 83,600 Value ($000) $168 Avg Close — Range —
Q1 2024
Shares 106,500 Value ($000) $477 Avg Close — Range —
Q3 2023
Shares 10,254 Value ($000) $13 Avg Close — Range —
Q2 2023
Shares 70,024 Value ($000) $230 Avg Close — Range —
Q1 2023
Shares 73,638 Value ($000) $303 Avg Close — Range —
Q4 2022
Shares 72,898 Value ($000) $427 Avg Close — Range —
Q3 2022
Shares 137,770 Value ($000) $931 Avg Close — Range —
Q2 2022
Shares 240,729 Value ($000) $1,112 Avg Close — Range —
Q1 2022
Shares 195,300 Value ($000) $779 Avg Close — Range —
Q4 2021
Shares 71,600 Value ($000) $445 Avg Close — Range —
Q3 2021
Shares 71,600 Value ($000) $675 Avg Close — Range —
Q2 2021
Shares 79,700 Value ($000) $1,082 Avg Close — Range —
Q1 2021
Shares 91,000 Value ($000) $1,472 Avg Close — Range —
Q4 2020
Shares 86,900 Value ($000) $2,312 Avg Close — Range —
Q3 2020
Shares 91,200 Value ($000) $1,698 Avg Close — Range —
Q2 2020
Shares 77,500 Value ($000) $1,814 Avg Close — Range —
Q1 2020
Shares 58,300 Value ($000) $340 Avg Close — Range —
Q1 2019
Shares 17,000 Value ($000) $89 Avg Close — Range —
Q4 2018
Shares 13,000 Value ($000) $53 Avg Close — Range —