0001144204-15-015461.txt : 20150311
0001144204-15-015461.hdr.sgml : 20150311
20150311185520
ACCESSION NUMBER: 0001144204-15-015461
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20150309
FILED AS OF DATE: 20150311
DATE AS OF CHANGE: 20150311
ISSUER:
COMPANY DATA:
COMPANY CONFORMED NAME: SEATTLE GENETICS INC /WA
CENTRAL INDEX KEY: 0001060736
STANDARD INDUSTRIAL CLASSIFICATION: BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
IRS NUMBER: 911874389
STATE OF INCORPORATION: DE
FISCAL YEAR END: 1231
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
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Baker Brothers Life Sciences LP
CENTRAL INDEX KEY: 0001363364
STATE OF INCORPORATION: DE
FISCAL YEAR END: 1231
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 000-32405
FILM NUMBER: 15694005
BUSINESS ADDRESS:
STREET 1: 667 MADISON AVENUE
STREET 2: 21ST FLOOR
CITY: NEW YORK
STATE: NY
ZIP: 10065
BUSINESS PHONE: 212-339-5633
MAIL ADDRESS:
STREET 1: 667 MADISON AVENUE
STREET 2: 21ST FLOOR
CITY: NEW YORK
STATE: NY
ZIP: 10065
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: BAKER BROS. ADVISORS LP
CENTRAL INDEX KEY: 0001263508
STATE OF INCORPORATION: DE
FISCAL YEAR END: 1231
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 000-32405
FILM NUMBER: 15694007
BUSINESS ADDRESS:
STREET 1: 667 MADISON AVE
STREET 2: 21ST FLOOR
CITY: NEW YORK
STATE: NY
ZIP: 10065
BUSINESS PHONE: 2123395600
MAIL ADDRESS:
STREET 1: 667 MADISON AVE
STREET 2: 21ST FLOOR
CITY: NEW YORK
STATE: NY
ZIP: 10065
FORMER NAME:
FORMER CONFORMED NAME: BAKER BROS ADVISORS LLC
DATE OF NAME CHANGE: 20030911
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Baker Bros. Advisors (GP) LLC
CENTRAL INDEX KEY: 0001580575
STATE OF INCORPORATION: E9
FISCAL YEAR END: 1231
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 000-32405
FILM NUMBER: 15694008
BUSINESS ADDRESS:
STREET 1: 667 MADISON AVENUE
STREET 2: 21ST FLOOR
CITY: NEW YORK
STATE: NY
ZIP: 10065
BUSINESS PHONE: (212)339-5600
MAIL ADDRESS:
STREET 1: 667 MADISON AVENUE
STREET 2: 21ST FLOOR
CITY: NEW YORK
STATE: NY
ZIP: 10065
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: BAKER JULIAN
CENTRAL INDEX KEY: 0001087939
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 000-32405
FILM NUMBER: 15694009
MAIL ADDRESS:
STREET 1: BAKER BROTHERS ADVISORS
STREET 2: 667 MADISON AVENUE, 21ST FLOOR
CITY: NEW YORK
STATE: NY
ZIP: 10065
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: BAKER FELIX
CENTRAL INDEX KEY: 0001087940
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 000-32405
FILM NUMBER: 15694010
MAIL ADDRESS:
STREET 1: BAKER BROTHERS ADVISORS
STREET 2: 667 MADISON AVENUE, 21ST FLOOR
CITY: NEW YORK
STATE: NY
ZIP: 10065
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: 667, L.P.
CENTRAL INDEX KEY: 0001551139
STATE OF INCORPORATION: DE
FISCAL YEAR END: 1231
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 000-32405
FILM NUMBER: 15694006
BUSINESS ADDRESS:
STREET 1: 667 MADISON AVE.
STREET 2: 21ST FLOOR
CITY: NEW YORK
STATE: NY
ZIP: 10065
BUSINESS PHONE: 212-339-5600
MAIL ADDRESS:
STREET 1: 667 MADISON AVE.
STREET 2: 21ST FLOOR
CITY: NEW YORK
STATE: NY
ZIP: 10065
4
1
form473635_20150311065459-.xml
X0306
4
2015-03-09
0
0001060736
SEATTLE GENETICS INC /WA
SGEN
0001087940
BAKER FELIX
667 MADISON AVENUE, 21ST FLOOR
NEW YORK
NY
US 10065
1
0
1
0
0001087939
BAKER JULIAN
667 MADISON AVENUE, 21ST FLOOR
NEW YORK
NY
US 10065
1
0
1
0
0001580575
Baker Bros. Advisors (GP) LLC
667 MADISION AVENUE 21ST FLOOR
NEW YORK
NY
US 10065
1
0
1
0
0001263508
BAKER BROS. ADVISORS LP
667 MADISON AVENUE, 21ST FLOOR
NEW YORK
NY
US 10065
1
0
1
0
0001551139
667, L.P.
667 MADISON AVENUE 21ST FLOOR
NEW YORK
NY
US 10065
1
0
1
0
0001363364
Baker Brothers Life Sciences LP
667 MADISON AVENUE, 21ST FLOOR
NEW YORK
NY
US 10065
1
0
1
0
Common Stock
107511
D
Common Stock
107504
D
Common Stock
3885576
I
See footnote
Common Stock
2015-03-09
4
P
0
116946
34.6246
A
24840046
I
See footnote
Common Stock
2015-03-09
4
P
0
158771
34.6877
A
24998817
I
See footnote
Common Stock
2015-03-10
4
P
0
6439
34.4673
A
25005256
I
See footnote
Common Stock
2015-03-10
4
P
0
2880
34.7174
A
25008136
I
See footnote
Reflects shares of common stock of the Issuer held directly by Felix J. Baker.
Reflects shares of common stock of the Issuer held directly by Julian C. Baker.
As a result of their ownership interest in Baker Biotech Capital (GP), LLC, Felix J. Baker and Julian C. Baker may be deemed to have an indirect pecuniary interest in 3,885,576 shares of Common Stock of the Issuer beneficially owned by 667, L.P. ("667"), a limited partnership of which the sole general partner is Baker Biotech Capital, L.P., a limited partnership of which the sole general partner is Baker Biotech Capital (GP), LLC, due to Baker Biotech Capital, L.P.'s right to receive an allocation of a portion of the profits from 667.
The price reported in Column 4 is a weighted average price. These shares were purchased by Baker Brothers Life Sciences, L.P. ("Life Sciences") in multiple transactions at prices ranging from $34.22 to $34.95, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.
After giving effect to the transactions reported herein and as a result of their ownership interest in Baker Brothers Life Sciences Capital (GP), LLC, Julian C. Baker and Felix J. Baker each may be deemed to have an indirect pecuniary interest in the Issuer's shares of Common Stock reported in column 5 of Table I directly held by Life Sciences, a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital, L.P., a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital (GP), LLC, due to Baker Brothers Life Sciences Capital, L.P.'s right to receive an allocation of a portion of the profits from Life Sciences.
The price reported in Column 4 is a weighted average price. These shares were purchased by Life Sciences in multiple transactions at prices ranging from $34.24 to $34.98, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.
The price reported in Column 4 is a weighted average price. These shares were purchased by Life Sciences in multiple transactions at prices ranging from $34.39 to $34.50, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.
The price reported in Column 4 is a weighted average price. These shares were purchased by Life Sciences in multiple transactions at prices ranging from $34.34 to $34.86, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote.
Baker Bros. Advisors LP (the "Adviser") serves as the Investment Adviser to Life Sciences and 667, (collectively the "Funds"). In connection with the services provided by the Adviser, the Adviser receives an asset-based management fee that does not confer any pecuniary interest in the securities held by the Funds. Baker Bros. Advisors (GP) LLC (the "Adviser GP") is the Adviser's sole general partner. Julian C. Baker and Felix J. Baker are principals of the Adviser GP. The Adviser has complete and unlimited discretion and authority with respect to the investment and voting power of the securities held by the Funds. The general partners of the Funds relinquished to the Adviser all discretion and authority with respect to the investment and voting power of the securities held by the Funds. Julian C. Baker, Felix J. Baker, the Adviser GP and the Adviser disclaim beneficial ownership of the securities held directly by the Funds except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that any of Julian C. Baker, Felix J. Baker, the Adviser GP or the Adviser is a beneficial owner of such securities for purposes of Section 16 or any other purpose.
Felix J. Baker is a director of Seattle Genetics, Inc. (the "Issuer"). By virtue of his representation on the Board of Directors of the Issuer, for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, the reporting persons are deemed directors by deputization of the Issuer.
/s/ Felix J. Baker
2015-03-11
/s/ Julian C. Baker
2015-03-11
By: Baker Bros. Advisors (GP) LLC, Name: Scott L. Lessing, Title: President /s/ Scott L. Lessing
2015-03-11
By: Baker Bros. Advisors LP, Name: Scott L. Lessing, Title: President /s/ Scott L. Lessing
2015-03-11
Baker Bros. Advisors LP, Mgmt. Co. and Inv. Adviser to 667, L.P., pursuant to authority granted by Baker Biotech Capital, L.P., GP to 667, L.P. Name: Scott L. Lessing, Title: President /s/ Scott L. Lessing
2015-03-11
Baker Bros. Advisors LP, Mgmt. Co. and Inv. Adviser to BAKER BROTHERS LIFE SCIENCES, L.P., pursuant to authority granted by Baker Brothers Life Sciences Capital, L.P., GP to Baker Brothers Life Sciences, L.P. Name: Scott L. Lessing /s/ Scott L. Lessing
2015-03-11
Baker Bros. Advisors LP, Mgmt. Co. and Inv. Adviser to 14159, L.P., pursuant to authority granted by 14159 Capital, L.P., GP to 14159, L.P. Name: Scott L. Lessing, Title: President /s/ Scott L.
2015-03-11