MERSANA THERAPEUTICS INC

CUSIP: 59045L106 Class: COM

FIRST MANHATTAN CO. LLC.'s Holding History (CIK: 0000728083)

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

Q2 2023
Shares 569,594 Value ($000) $1,874 Avg Close — Range —
Q3 2021
Shares 218,070 Value ($000) $2,056 Avg Close — Range —