0001144204-13-067563.txt : 20131216 0001144204-13-067563.hdr.sgml : 20131216 20131216194227 ACCESSION NUMBER: 0001144204-13-067563 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20131212 FILED AS OF DATE: 20131216 DATE AS OF CHANGE: 20131216 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: 131280148 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: 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: 131280149 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 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: 131280150 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: 14159, L.P. CENTRAL INDEX KEY: 0001551138 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-32405 FILM NUMBER: 131280152 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 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: 131280154 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 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: 131280151 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: 131280153 MAIL ADDRESS: STREET 1: BAKER BROTHERS ADVISORS STREET 2: 667 MADISON AVENUE, 21ST FLOOR CITY: NEW YORK STATE: NY ZIP: 10065 4 1 form464159_20131216074121-.xml X0306 4 2013-12-12 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 0001551138 14159, L.P. 667 MADISION AVENUE, 21ST FLOOR NEW YORK NY US 10065 1 0 1 0 Common Stock 77004 D Common Stock 76997 D Common Stock 3872076 I See footnote Common Stock 2013-12-12 4 P 0 122660 39.5283 A 16238781 I See footnote Common Stock 2013-12-12 4 P 0 3056 39.5283 A 354207 I See footnote Common Stock 2013-12-12 4 P 0 55256 39.537 A 16294037 I See footnote Common Stock 2013-12-12 4 P 0 1377 39.537 A 355584 I See footnote Common Stock 2013-12-12 4 P 0 99775 39.7 A 16393812 I See footnote Common Stock 2013-12-12 4 P 0 2486 39.7 A 358070 I See footnote Common Stock 2013-12-13 4 P 0 42646 39.6549 A 16436458 I See footnote Common Stock 2013-12-13 4 P 0 1063 39.6549 A 359133 I See footnote Common Stock 2013-12-16 4 P 0 51244 39.9219 A 16487702 I See footnote Common Stock 2013-12-16 4 P 0 1280 39.9219 A 360413 I See footnote Common Stock 2013-12-16 4 P 0 25596 39.9121 A 16513298 I See footnote Common Stock 2013-12-16 4 P 0 639 39.9121 A 361052 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 3,872,076 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") and 14159, L.P. ("14159") in multiple transactions at prices ranging from $39.26 to $39.79, 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. After giving effect to the transactions reported herein and as a result of their ownership interest in 14159 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 14159, and together with 667 and Life Sciences, the "Funds"), a limited partnership of which the sole general partner is 14159 Capital L.P., a limited partnership of which the sole general partner is 14159 Capital (GP), LLC, due to 14159 Capital L.P.'s right to receive an allocation of a portion of the profits from 14159. The price reported in Column 4 is a weighted average price. These shares were purchased by Life Sciences and 14159 in multiple transactions at prices ranging from $39.40 to $39.65, 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. All of the shares traded in this transaction were traded in a single execution at the reported price of $39.70 as reported in Column 4. The price reported in Column 4 is a weighted average price. These shares were purchased by Life Sciences and 14159 in multiple transactions at prices ranging from $39.19 to $40.00, 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 and 14159 in multiple transactions at prices ranging from $39.77 to $40.00, 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 and 14159 in multiple transactions at prices ranging from $39.80 to $40.00, 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 aggregate indirect beneficial ownership reported on this form is 20,746,426 shares. Baker Bros. Advisors LP (the "Adviser") serves as the Investment Adviser to 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 2013-12-16 /s/ Julian C. Baker 2013-12-16 By: Baker Bros. Advisors (GP) LLC, Name: Scott L. Lessing, Title: President /s/ Scott L. Lessing 2013-12-16 By: Baker Bros. Advisors LP, Name: Scott L. Lessing, Title: President /s/ Scott L. Lessing 2013-12-16 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 2013-12-16