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Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0001104659-17-041873
Filing Date
2017-06-27
Accepted
2017-06-27 19:37:06
Documents
2
Period of Report
2017-06-27

Document Format Files

Seq Description Document Type Size
1 3 a3.html 3  
1 3 a3.xml 3 6307
2 EX-24 ex-24.htm EX-24 9691
  Complete submission text file 0001104659-17-041873.txt   17387
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 840 MEMORIAL DRIVE CAMBRIDGE MA 02139
Business Address
Bergstrom Donald A (Reporting) CIK: 0001709772 (see all company filings)

Type: 3 | Act: 34 | File No.: 001-38129 | Film No.: 17933478