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Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0001104659-21-055701
Filing Date
2021-04-27
Accepted
2021-04-27 17:19:09
Documents
3

Document Format Files

Seq Description Document Type Size
1 DEFA14A tm212466d2_defa14a.htm DEFA14A 31286
2 GRAPHIC tm212466d2_defa14aimage001.jpg GRAPHIC 307722
3 GRAPHIC tm212466d2_defa14aimage002.jpg GRAPHIC 198999
  Complete submission text file 0001104659-21-055701.txt   730546
Mailing Address 840 MEMORIAL DRIVE CAMBRIDGE MA 02139
Business Address 840 MEMORIAL DRIVE CAMBRIDGE MA 02139 617-498-0020
Mersana Therapeutics, Inc. (Filer) CIK: 0001442836 (see all company filings)

IRS No.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
Type: DEFA14A | Act: 34 | File No.: 001-38129 | Film No.: 21860103
SIC: 2834 Pharmaceutical Preparations