SEC Seal
SEC Banner
Search the Next-Generation EDGAR System
Filing Detail
Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001104659-21-005948
Filing Date
2021-01-20
Accepted
2021-01-20 19:04:11
Documents
1
Period of Report
2021-01-15

Document Format Files

Seq Description Document Type Size
1 OWNERSHIP DOCUMENT tm211948-8_4seq1.html 4  
1 OWNERSHIP DOCUMENT tm211948-8_4seq1.xml 4 12043
  Complete submission text file 0001104659-21-005948.txt   13508
Mailing Address MILLENNIUM PHARMACEUTICALS, INC. 40 LANDSDOWNE STREET CAMBRIDGE MA 02139
Business Address
Protopapas Anna (Reporting) CIK: 0001347582 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-38129 | Film No.: 21539992

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

IRS No.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 2834 Pharmaceutical Preparations