<SEC-DOCUMENT>0000902219-21-000305-index.html : 20210204 <SEC-HEADER>0000902219-21-000305.hdr.sgml : 20210204 <ACCEPTANCE-DATETIME>20210204114235 ACCESSION NUMBER: 0000902219-21-000305 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20210204 DATE AS OF CHANGE: 20210204 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: Seagen Inc. CENTRAL INDEX KEY: 0001060736 STANDARD INDUSTRIAL CLASSIFICATION: BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836] IRS NUMBER: 911874389 STATE OF INCORPORATION: WA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-61317 FILM NUMBER: 21589853 BUSINESS ADDRESS: STREET 1: 21823 30TH DRIVE SE STREET 2: SUITE CITY: BOTHELL STATE: WA ZIP: 98021 BUSINESS PHONE: 4255274000 MAIL ADDRESS: STREET 1: 21823 30TH DRIVE SE STREET 2: SUITE CITY: BOTHELL STATE: WA ZIP: 98021 FORMER COMPANY: FORMER CONFORMED NAME: SEATTLE GENETICS INC /WA DATE OF NAME CHANGE: 20001116 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: WELLINGTON MANAGEMENT GROUP LLP CENTRAL INDEX KEY: 0000902219 STANDARD INDUSTRIAL CLASSIFICATION: UNKNOWN SIC - 0000 [0000] IRS NUMBER: 042683227 STATE OF INCORPORATION: MA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: C/O WELLINGTON MANAGEMENT COMPANY LLP STREET 2: 280 CONGRESS STREET CITY: BOSTON STATE: MA ZIP: 02210 BUSINESS PHONE: 6179515000 MAIL ADDRESS: STREET 1: C/O WELLINGTON MANAGEMENT COMPANY LLP STREET 2: 280 CONGRESS STREET CITY: BOSTON STATE: MA ZIP: 02210 FORMER COMPANY: FORMER CONFORMED NAME: WELLINGTON MANAGEMENT CO LLP DATE OF NAME CHANGE: 19960930 FORMER COMPANY: FORMER CONFORMED NAME: WELLINGTON MANAGEMENT CO DATE OF NAME CHANGE: 19930426 </SEC-HEADER> <DOCUMENT> <TYPE>SC 13G/A <SEQUENCE>1 <FILENAME>SEC13G_Filing.htm <DESCRIPTION>SEC SCHEDULE 13G <TEXT> Document 1 - file: SEC13G_Filing.htm
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