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Filing Detail
Form SC 13G - Statement of acquisition of beneficial ownership by individuals:
SEC Accession No. 0000093751-22-000300
Filing Date
2022-02-11
Accepted
2022-02-11 14:34:34
Documents
1

Document Format Files

Seq Description Document Type Size
1 MERSANA_THERAPEUTICS_INC.txt SC 13G 6621
  Complete submission text file 0000093751-22-000300.txt   8500
Mailing Address ONE LINCOLN STREET BOSTON MA 02111
Business Address ONE LINCOLN STREET BOSTON MA 02111 617 786-3000
STATE STREET CORP (Filed by) CIK: 0000093751 (see all company filings)

IRS No.: 042456637 | State of Incorp.: MA | Fiscal Year End: 1231
Type: SC 13G
SIC: 6022 State Commercial Banks

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.: 22619523
SIC: 2834 Pharmaceutical Preparations