MERSANA THERAPEUTICS INC

CUSIP: 59045L106 Class: COM

TWO SIGMA SECURITIES, LLC's Holding History (CIK: 0001450144)

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

Q2 2025
Shares 17,566 Value ($000) $5 Avg Close — Range —
Q3 2023
Shares 11,847 Value ($000) $15 Avg Close — Range —
Q4 2022
Shares 15,226 Value ($000) $89 Avg Close — Range —