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Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0000899140-21-000081
Filing Date
2021-01-25
Accepted
2021-01-25 16:42:06
Documents
2
Group Members
ALEXANDER J. DENNER, PH.D.

Document Format Files

Seq Description Document Type Size
1 SCHEDULE 13G s13ga.htm SC 13G 49157
2 JOINT FILING AGREEMENT s13gb.htm EX-99.1 3247
  Complete submission text file 0000899140-21-000081.txt   53977
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.: 21550099
SIC: 2834 Pharmaceutical Preparations

Mailing Address 660 STEAMBOAT ROAD GREENWICH CT 06830
Business Address 660 STEAMBOAT ROAD GREENWICH CT 06830 203-302-2330
Sarissa Capital Management LP (Filed by) CIK: 0001577524 (see all company filings)

IRS No.: 900924432 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G