MERSANA THERAPEUTICS INC

CUSIP: 59045L106 Class: COM

BVF INC/IL's Holding History (CIK: 0001056807)

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

Q1 2020
Shares 2,372,400 Value ($000) $13,831 Avg Close — Range —
Q4 2019
Shares 1,180,553 Value ($000) $6,765 Avg Close — Range —
Q3 2019
Shares 4,041,888 Value ($000) $6,386 Avg Close — Range —
Q2 2019
Shares 2,497,900 Value ($000) $10,116 Avg Close — Range —
Q1 2019
Shares 2,500,000 Value ($000) $13,150 Avg Close — Range —