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Filing Detail
Form SC 13G - Statement of acquisition of beneficial ownership by individuals:
SEC Accession No. 0000078003-17-000030
Filing Date
2017-07-13
Accepted
2017-07-13 16:03:57
Documents
1

Document Format Files

Seq Description Document Type Size
1 SCHEDULE 13G mers13g.htm SC 13G 8779
  Complete submission text file 0000078003-17-000030.txt   10449
Mailing Address 235 E 42ND ST NEW YORK NY 10017
Business Address 235 E 42ND ST NEW YORK NY 10017 2125732323
PFIZER INC (Filed by) CIK: 0000078003 (see all company filings)

IRS No.: 135315170 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G
SIC: 2834 Pharmaceutical Preparations

Mailing Address 840 MEMORIAL DRIVE CAMBRIDGE MA 02139
Business Address 840 MEMORIAL DRIVE CAMBRIDGE MA 02139 617-498-0020
Mersana Therapeutics, Inc. (Subject) CIK: 0001442836 (see all company filings)

IRS No.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G | Act: 34 | File No.: 005-90033 | Film No.: 17963663
SIC: 2834 Pharmaceutical Preparations