0000899243-16-028840.txt : 20160912 0000899243-16-028840.hdr.sgml : 20160912 20160912215233 ACCESSION NUMBER: 0000899243-16-028840 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20160908 FILED AS OF DATE: 20160912 DATE AS OF CHANGE: 20160912 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: SIEGALL CLAY B CENTRAL INDEX KEY: 0001167496 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-32405 FILM NUMBER: 161881914 MAIL ADDRESS: STREET 1: 21823 30TH DR SE CITY: BOTHELL STATE: WA ZIP: 98021 4 1 doc4.xml FORM 4 SUBMISSION X0306 4 2016-09-08 0 0001060736 SEATTLE GENETICS INC /WA SGEN 0001167496 SIEGALL CLAY B 21823 30TH DRIVE SE BOTHELL WA 98021 1 1 0 0 President and CEO Common Stock 2016-09-08 4 M 0 31269 10.29 A 648307 D Common Stock 2016-09-08 4 S 0 31269 50.0808 D 638835 D Common Stock 2016-09-10 5 G 0 E 6148 0.00 D 0 I by Trust Non-Qualified Stock Option (right to buy) 10.29 2016-09-08 4 M 0 31269 0.00 D 2017-08-28 Common Stock 31269 115443 D Amount of securities beneficially owned following reported transactions includes restricted stock units subject to vesting. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan. Reflects sales of ordinary shares executed in multiple transactions at prices ranging from $50.00 to $50.23. The price reported reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request by the Securities and Exchange commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the sales were effected. The Reporting Person previously contributed shares of SGEN common stock to a grantor retained annuity trust for the benefit of himself and trusts for his children. Upon the termination of the trust on September 10, 2016, 6,148 of the shares were transferred to the Reporting Person's children's trusts and the remaining 21,797 shares were transferred to the Reporting Person and are included in the reported number of shares directly owned by the Reporting Person. Shares vested at a rate of 25% on 8/28/08 and monthly thereafter until all the shares were fully vested on 8/28/11. /s/ Jean Liu 2016-09-12