0001209191-23-026917.txt : 20230503 0001209191-23-026917.hdr.sgml : 20230503 20230503160405 ACCESSION NUMBER: 0001209191-23-026917 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230501 FILED AS OF DATE: 20230503 DATE AS OF CHANGE: 20230503 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: 23883607 BUSINESS ADDRESS: STREET 1: 860 WASHINGTON STREET STREET 2: 3RD FLOOR CITY: NEW YORK STATE: NY ZIP: 10014 BUSINESS PHONE: 2123395600 MAIL ADDRESS: STREET 1: 860 WASHINGTON STREET STREET 2: 3RD FLOOR CITY: NEW YORK STATE: NY ZIP: 10014 FORMER NAME: FORMER CONFORMED NAME: BAKER BROS ADVISORS LLC DATE OF NAME CHANGE: 20030911 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: 23883604 MAIL ADDRESS: STREET 1: BAKER BROS. ADVISORS LP STREET 2: 860 WASHINGTON STREET 3RD FLOOR CITY: NEW YORK STATE: NY ZIP: 10014 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: 23883603 MAIL ADDRESS: STREET 1: BAKER BROS. ADVISORS LP STREET 2: 860 WASHINGTON STREET 3RD FLOOR CITY: NEW YORK STATE: NY ZIP: 10014 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Baker Bros. Advisors (GP) LLC CENTRAL INDEX KEY: 0001580575 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-32405 FILM NUMBER: 23883602 BUSINESS ADDRESS: STREET 1: 860 WASHINGTON STREET STREET 2: 3RD FLOOR CITY: NEW YORK STATE: NY ZIP: 10014 BUSINESS PHONE: (212)339-5600 MAIL ADDRESS: STREET 1: 860 WASHINGTON STREET STREET 2: 3RD FLOOR CITY: NEW YORK STATE: NY ZIP: 10014 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: 23883606 BUSINESS ADDRESS: STREET 1: 860 WASHINGTON STREET STREET 2: 3RD FLOOR CITY: NEW YORK STATE: NY ZIP: 10014 BUSINESS PHONE: 212-339-5600 MAIL ADDRESS: STREET 1: 860 WASHINGTON STREET STREET 2: 3RD FLOOR CITY: NEW YORK STATE: NY ZIP: 10014 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: 23883605 BUSINESS ADDRESS: STREET 1: 860 WASHINGTON STREET STREET 2: 3RD FLOOR CITY: NEW YORK STATE: NY ZIP: 10014 BUSINESS PHONE: 212-339-5600 MAIL ADDRESS: STREET 1: 860 WASHINGTON STREET STREET 2: 3RD FLOOR CITY: NEW YORK STATE: NY ZIP: 10014 ISSUER: 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 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 4 1 doc4.xml FORM 4 SUBMISSION X0407 4 2023-05-01 0 0001060736 Seagen Inc. SGEN 0001263508 BAKER BROS. ADVISORS LP 860 WASHINGTON STREET, 3RD FLOOR NEW YORK NY 10014 1 0 1 0 0001363364 Baker Brothers Life Sciences LP 860 WASHINGTON STREET, 3RD FLOOR NEW YORK NY 10014 1 0 1 0 0001551139 667, L.P. 860 WASHINGTON STREET, 3RD FLOOR NEW YORK NY 10014 1 0 1 0 0001087939 BAKER JULIAN 860 WASHINGTON STREET, 3RD FLOOR NEW YORK NY 10014 1 0 1 0 0001087940 BAKER FELIX 860 WASHINGTON STREET, 3RD FLOOR NEW YORK NY 10014 1 0 1 0 0001580575 Baker Bros. Advisors (GP) LLC 860 WASHINGTON STREET, 3RD FLOOR NEW YORK NY 10014 1 0 1 0 0 Common Stock 2023-05-01 4 M 0 8750 36.70 A 4097515 I See footnotes Common Stock 2023-05-01 4 M 0 8750 36.70 A 42975257 I See footnotes Common Stock 2023-05-01 4 J 0 2368357 0.00 D 1729158 I See footnotes Common Stock 2023-05-01 4 J 0 209175 0.00 A 232455 D Common Stock 2023-05-01 4 J 0 209175 0.00 A 232452 D Common Stock 2023-05-02 4 G 0 209175 0.00 D 23280 D Common Stock 2023-05-02 4 G 0 209175 0.00 D 23277 D Non-Qualified Stock Option (right to buy) 36.70 2023-05-01 4 M 0 8750 0.00 D 2014-05-16 2023-05-16 Common Stock 8750 0 I See footnotes Non-Qualified Stock Option (right to buy) 36.70 2023-05-01 4 M 0 8750 0.00 D 2014-05-16 2023-05-16 Common Stock 8750 0 I See footnotes Common Stock ("Common Stock") of Seagen Inc. (the "Issuer") acquired upon exercise of 8,750 non-qualified stock options exercisable into Common Stock on a 1-for-1 basis ("Stock Options") that were issued to Felix J. Baker in his capacity as a director of the Issuer. Felix J. Baker, pursuant to the policies of Baker Bros. Advisors LP (the "Adviser"), does not have any right to the pecuniary interest in the Stock Options issued for his service on the board of directors of the Issuer (the "Board") or the Common Stock acquired upon exercise of such Stock Options. Each of 667, L.P. ("667") and Baker Brothers Life Sciences, L.P. ("Life Sciences", and together with 667, the "Funds") owns an indirect proportionate pecuniary interest in the Common Stock acquired upon exercise of the Stock Options issued in connection with Felix J. Baker's service on the Board less the exercise cost of those Stock Options. Pursuant to the policies of the Adviser, Felix J. Baker does not have a right to any of the Issuer's securities issued in lieu of director retainer fees and the Funds are entitled to an indirect proportionate pecuniary interest in the securities. The Funds each own an indirect proportionate pecuniary interest in the shares of Common Stock. Solely as a result of their ownership interest in (i) the general partners of the Funds and (ii) the Funds, Felix J. Baker and Julian C. Baker may be deemed to have an indirect pecuniary interest in the shares of Common Stock issued in lieu of director retainer fees, Stock Options, Common Stock issued upon exercise of Stock Options, restricted stock units (each an "RSU") payable solely in Common Stock and Common Stock received upon vesting of RSUs (i.e. no direct pecuniary interest). Includes beneficial ownership of 29,003 previously issued RSUs payable solely in Common Stock issued to Felix Baker in his capacity as a director of the Issuer pursuant to the Amended and Restated 2007 Equity Incentive Plan of which the Funds may be deemed to own a portion and 112,500 previously issued shares from exercise of 112,500 Stock Options of the Issuer that were issued to Felix J. Baker in his capacity as a director of the Issuer, of which the Funds may be deemed to own a portion. The policy of the Funds and the Adviser does not permit full-time employees of the Adviser or managing members of the Adviser GP to receive compensation for serving as a director of the Issuer. After giving effect to the transactions reported herein and as a result of their ownership interest in (i) Baker Biotech Capital, L.P. and (ii) 667, Julian C. Baker and Felix J. Baker each may be deemed to have an indirect pecuniary interest in Common Stock reported in column 5 of Table I directly held by 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 their interest in 667 and Baker Biotech Capital, L.P.'s right to receive an allocation of a portion of the profits from 667. The disclosure of the exercise of Stock Options for Common Stock reported on this form is a single exercise of 8,750 Stock Options. The exercise of 8,750 Stock Options is reported for each of the Funds as each has an indirect pecuniary interest in such securities. 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 managing members 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. Pursuant to agreements between Felix J. Baker and the Adviser, the Adviser has voting and dispositive power over the Stock Options, RSUs and any Common Stock received as a result of the exercise of Stock Options or vesting of RSUs. After giving effect to the transaction reported herein and as a result of their ownership interest in (i) Baker Brothers Life Sciences Capital, L.P. and (ii) Life Sciences, Julian C. Baker and Felix J. Baker each may be deemed to have an indirect pecuniary interest in 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 their interest in Life Sciences and Baker Brothers Life Sciences Capital, L.P.'s right to receive an allocation of a portion of the profits from Life Sciences. Represents shares of Common Stock distributed by 667 as part of an in-kind pro rata distribution without consideration in accordance with pecuniary interest to Julian C. Baker, Felix J. Baker and other investors in 667. Common Stock held directly by Felix J. Baker, including 209,175 shares of Common Stock received from the in-kind pro rata distribution by 667 without consideration reported above. Common Stock held directly by Julian C. Baker, including 209,175 shares of Common Stock received from the in-kind pro rata distribution by 667 without consideration reported above. Reflects shares of Common Stock of the Issuer held directly by Felix J. Baker. Reflects Common Stock held directly by Julian C. Baker. Felix J. Baker is a director of Seagen Inc. (the "Issuer"). By virtue of their 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 other than Felix J. Baker are deemed directors by deputization of the Issuer. By: Baker Bros. Advisors LP, Name: Scott L. Lessing, Title: President /s/ Scott L. Lessing 2023-05-03 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, Title: President /s/ 2023-05-03 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 2023-05-03 Julian C. Baker 2023-05-03 Felix J. Baker 2023-05-03 By: Baker Bros. Advisors (GP) LLC, Name: Scott L. Lessing, Title: President /s/ Scott L. Lessing 2023-05-03