Filing Details

Accession Number:
0001104659-20-069498
Form Type:
4
Zero Holdings:
No
Publication Time:
2020-06-03 17:30:37
Reporting Period:
2020-06-01
Accepted Time:
2020-06-03 17:30:37
SEC Url:
Form 4 Filing
Issuer
Cik Name Symbol Sector (SIC) IRS No
1442836 Mersana Therapeutics Inc. MRSN Pharmaceutical Preparations (2834) 000000000
Insiders
Cik Name Reported Address Insider Title Director Officer Large Shareholder Other
1553053 M Lawrence Alleva C/O Mersana Therapeutics, Inc.
840 Memorial Drive
Cambridge MA 02139
Yes No No No
Reported Non-Derivative Transactions
Sec. Name Acquisiton - Disposition Date Amount Price Remaning Holdings Equity Swap Involved Form Type Code Nature of Ownership Explanation
Common Stock Acquisiton 2020-06-01 385 $22.97 385 No 4 P Direct
Common Stock Acquisiton 2020-06-01 700 $22.94 1,085 No 4 P Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 P Direct
No 4 P Direct