MERSANA THERAPEUTICS INC

CUSIP: 59045L205 Class: COM

BlackRock, Inc.'s Holding History (CIK: 0002012383)

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

Q4 2025
Shares 69,210 Value ($000) $2,002 Avg Close — Range —
Q3 2025
Shares 96,193 Value ($000) $746 Avg Close — Range —