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Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0001104659-20-076479
Filing Date
2020-06-24
Accepted
2020-06-24 17:01:02
Documents
2
Period of Report
2020-04-13

Document Format Files

Seq Description Document Type Size
1 3 a3.html 3  
1 3 a3.xml 3 1534
2 EX-24 ex-24.htm EX-24 9678
  Complete submission text file 0001104659-20-076479.txt   12642
Mailing Address 840 MEMORIAL DRIVE CAMBRIDGE MA 02139
Business Address 840 MEMORIAL DRIVE CAMBRIDGE MA 02139 617-498-0020
Mersana Therapeutics, Inc. (Issuer) CIK: 0001442836 (see all company filings)

IRS No.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 2834 Pharmaceutical Preparations
Office of Life Sciences

Mailing Address C/O TESARO, INC. 1000 WINTER STREET, SUITE 3300 WALTHAM MA 02451
Business Address
Huber Martin H. Jr. (Reporting) CIK: 0001653276 (see all company filings)

Type: 3 | Act: 34 | File No.: 001-38129 | Film No.: 20986285