0001628280-15-008954.txt : 20151123 0001628280-15-008954.hdr.sgml : 20151123 20151123193243 ACCESSION NUMBER: 0001628280-15-008954 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20151120 FILED AS OF DATE: 20151123 DATE AS OF CHANGE: 20151123 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: MATTSON TECHNOLOGY INC CENTRAL INDEX KEY: 0000928421 STANDARD INDUSTRIAL CLASSIFICATION: SPECIAL INDUSTRY MACHINERY, NEC [3559] IRS NUMBER: 770208119 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 47131 BAYSIDE PARKWAY CITY: FREMONT STATE: CA ZIP: 94538 BUSINESS PHONE: 510 657 5900 MAIL ADDRESS: STREET 1: 47131 BAYSIDE PARKWAY CITY: FREMONT STATE: CA ZIP: 94538 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: CHEN FUSEN ERNIE CENTRAL INDEX KEY: 0001316245 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-24838 FILM NUMBER: 151250889 MAIL ADDRESS: STREET 1: 4000 NORTH FIRST STREET CITY: SAN JOSE STATE: CA ZIP: 95134 4 1 wf-form4_144832515242304.xml FORM 4 X0306 4 2015-11-20 0 0000928421 MATTSON TECHNOLOGY INC MTSN 0001316245 CHEN FUSEN ERNIE 47131 BAYSIDE PARKWAY FREMONT CA 94538 1 1 0 0 President and CEO Common Stock 2015-11-20 4 M 0 13125 0 A 235685 D Common Stock 2015-11-20 4 F 0 6848 0 D 228837 D Restricted Stock Units (right to acquire) 0.0 2015-11-20 4 M 0 13125 0 D 2015-11-20 Restricted Stock Units (right to acquire) 13125.0 326250 D The reported shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of restricted stock units, or RSUs. Each restricted stock unit represents a contingent right to receive one share of MTSN common stock. Not applicable. Tyler Purvis For: Dr. Fusen E. Chen 2015-11-23