Kaufman Michael J.

CIK 00017099961 companyCAMBRIDGE, MA

Transactions

Companies

Filings

CIK

0001709996

Recent Transactions

14 trades

Sale
Mersana Therapeutics, Inc.$MRSN
Common Stock
2021-07-19$12.02/sh−6,312→ 32,622 total
Sale
Mersana Therapeutics, Inc.$MRSN
Common Stock
2021-07-16$12.47/sh−5,776→ 38,934 total
Exercise/Conversion
Mersana Therapeutics, Inc.$MRSN
Restricted Stock Units
2021-07-15−40,000→ 0 total
Exercise/Conversion
Mersana Therapeutics, Inc.$MRSN
Common Stock
2021-07-15+40,000→ 44,710 total
Tax Payment
Mersana Therapeutics, Inc.$MRSN
Common Stock
2021-01-15$21.09/sh−1,957→ 4,710 total
Exercise/Conversion
Mersana Therapeutics, Inc.$MRSN
Common Stock
2021-01-15+6,667→ 6,667 total
Exercise/Conversion
Mersana Therapeutics, Inc.$MRSN
Restricted Stock Units
2021-01-15−6,667→ 20,000 total
Award
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2021-01-15+112,500→ 112,500 total
Award
Mersana Therapeutics, Inc.$MRSN
Restricted Stock Units
2021-01-15+25,000→ 25,000 total
Award
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2020-01-15+120,000→ 120,000 total
Award
Mersana Therapeutics, Inc.$MRSN
Restricted Stock Units
2020-01-15+26,667→ 26,667 total
Award
Mersana Therapeutics, Inc.$MRSN
Restricted Stock Units
2019-07-17+40,000→ 40,000 total
Award
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2019-01-23+60,000→ 60,000 total
Award
Mersana Therapeutics, Inc.$MRSN
Stock Option (right to buy)
2018-02-02+50,057→ 50,057 total

C/O MERSANA THERAPEUTICS, INC. 840 MEMORIAL DRIVE

CAMBRIDGE, MA, 02139