MERSANA THERAPEUTICS INC

CUSIP: 59045L106 Class: COM

Assenagon Asset Management S.A.'s Holding History (CIK: 0001546007)

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

Q4 2021
Shares 1,073,748 Value ($000) $6,679 Avg Close — Range —
Q3 2021
Shares 903,866 Value ($000) $8,523 Avg Close — Range —
Q2 2021
Shares 1,040,942 Value ($000) $14,136 Avg Close — Range —
Q4 2019
Shares 34,274 Value ($000) $196 Avg Close — Range —
Q2 2019
Shares 130,600 Value ($000) $529 Avg Close — Range —