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Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001209191-23-026917
Filing Date
2023-05-03
Accepted
2023-05-03 16:04:05
Documents
1
Period of Report
2023-05-01

Document Format Files

Seq Description Document Type Size
1 FORM 4 SUBMISSION doc4.html 4  
1 FORM 4 SUBMISSION doc4.xml 4 31686
  Complete submission text file 0001209191-23-026917.txt   35901
Mailing Address 21823 30TH DRIVE SE SUITE BOTHELL WA 98021
Business Address 21823 30TH DRIVE SE SUITE BOTHELL WA 98021 4255274000
Seagen Inc. (Issuer) CIK: 0001060736 (see all company filings)

IRS No.: 911874389 | State of Incorp.: WA | Fiscal Year End: 1231
SIC: 2836 Biological Products, (No Diagnostic Substances)

Mailing Address BAKER BROS. ADVISORS LP 860 WASHINGTON STREET 3RD FLOOR NEW YORK NY 10014
Business Address
BAKER JULIAN (Reporting) CIK: 0001087939 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-32405 | Film No.: 23883604

Mailing Address BAKER BROS. ADVISORS LP 860 WASHINGTON STREET 3RD FLOOR NEW YORK NY 10014
Business Address
BAKER FELIX (Reporting) CIK: 0001087940 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-32405 | Film No.: 23883603

Mailing Address 860 WASHINGTON STREET 3RD FLOOR NEW YORK NY 10014
Business Address 860 WASHINGTON STREET 3RD FLOOR NEW YORK NY 10014 2123395600
BAKER BROS. ADVISORS LP (Reporting) CIK: 0001263508 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 000-32405 | Film No.: 23883607

Mailing Address 860 WASHINGTON STREET 3RD FLOOR NEW YORK NY 10014
Business Address 860 WASHINGTON STREET 3RD FLOOR NEW YORK NY 10014 212-339-5600
Baker Brothers Life Sciences LP (Reporting) CIK: 0001363364 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 000-32405 | Film No.: 23883606

Mailing Address 860 WASHINGTON STREET 3RD FLOOR NEW YORK NY 10014
Business Address 860 WASHINGTON STREET 3RD FLOOR NEW YORK NY 10014 212-339-5600
667, L.P. (Reporting) CIK: 0001551139 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 000-32405 | Film No.: 23883605

Mailing Address 860 WASHINGTON STREET 3RD FLOOR NEW YORK NY 10014
Business Address 860 WASHINGTON STREET 3RD FLOOR NEW YORK NY 10014 (212)339-5600
Baker Bros. Advisors (GP) LLC (Reporting) CIK: 0001580575 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 000-32405 | Film No.: 23883602