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Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
SEC Accession No. 0001193125-23-039175
Filing Date
2023-02-14
Accepted
2023-02-14 16:18:07
Documents
2
Group Members
BIOTECH TARGET N.V.

Document Format Files

Seq Description Document Type Size
1 SC 13G/A d466514dsc13ga.htm SC 13G/A 45487
2 EX-99.B d466514dex99b.htm EX-99.B 3130
  Complete submission text file 0001193125-23-039175.txt   50237
Mailing Address SCHWERTSTRASSE 6 SCHAFFHAUSEN V8 8200
Business Address SCHWERTSTRASSE 6 SCHAFFHAUSEN V8 8200 411724 59 59
BB BIOTECH AG (Filed by) CIK: 0000924223 (see all company filings)

IRS No.: 000000000 | State of Incorp.: V8 | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 0000

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/A | Act: 34 | File No.: 005-90033 | Film No.: 23629633
SIC: 2834 Pharmaceutical Preparations