0001203311-16-000078.txt : 20160323 0001203311-16-000078.hdr.sgml : 20160323 20160323194408 ACCESSION NUMBER: 0001203311-16-000078 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20160321 FILED AS OF DATE: 20160323 DATE AS OF CHANGE: 20160323 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: 161525169 MAIL ADDRESS: STREET 1: 21823 30TH DR SE CITY: BOTHELL STATE: WA ZIP: 98021 4 1 edgardoc.xml PRIMARY DOCUMENT X0306 4 2016-03-21 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 2016-03-21 4 M 0 4282.0 4.45 A 560397 D Common Stock 2016-03-21 4 S 0 4282.0 35.01 D 556115 D Common Stock 2016-03-22 4 M 0 10954.0 4.45 A 567069 D Common Stock 2016-03-22 4 S 0 10054.0 35.6868 D 557015 D Common Stock 2016-03-22 4 S 0 900.0 36.1356 D 556115 D Common Stock 27945 I by Trust Non-Qualified Stock Option (right to buy) 4.45 2016-03-21 4 M 0 4282.0 0.0 D 2016-09-05 Common Stock 4282 56655 D Non-Qualified Stock Option (right to buy) 4.45 2016-03-22 4 M 0 10954.0 0.0 D 2016-09-05 Common Stock 10954 45701 D The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan. Sale price represents a weighted average price for all shares sold on this day, which are within a $1.00 range. Sale price represents a weighted average price. These shares were sold in multiple transactions at prices ranging from $35.00 to $35.98, inclusive. The Reporting Person undertakes 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 sold at each separate price within the range set forth in this footnote 3 to this Form 4. Sale price represents a weighted average price. These shares were sold in multiple transactions at prices ranging from $36.00 to $36.20, inclusive. The Reporting Person undertakes 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 sold at each separate price within the range set forth in this footnote 4 to this Form 4. Amount of securities beneficially owned following reported transactions includes restricted stock units subject to vesting. Shares vested at a rate of 25% on 9/06/07 and monthly thereafter until all the shares were fully vested on 9/06/10. /s/ Clay B. Siegall 2016-03-23