0000949157-18-000010.txt : 20180103 0000949157-18-000010.hdr.sgml : 20180103 20180103145936 ACCESSION NUMBER: 0000949157-18-000010 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20171231 FILED AS OF DATE: 20180103 DATE AS OF CHANGE: 20180103 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Heyroth Stephen K. CENTRAL INDEX KEY: 0001638425 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-34474 FILM NUMBER: 18504764 MAIL ADDRESS: STREET 1: 1 S. WACKER DRIVE STREET 2: SUITE 1000 CITY: CHICAGO STATE: IL ZIP: 60606 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: CENTURY ALUMINUM CO CENTRAL INDEX KEY: 0000949157 STANDARD INDUSTRIAL CLASSIFICATION: PRIMARY PRODUCTION OF ALUMINUM [3334] IRS NUMBER: 133070826 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 1 SOUTH WACKER DRIVE STREET 2: SUITE 1000 CITY: CHICAGO STATE: IL ZIP: 60606 BUSINESS PHONE: 3126963101 MAIL ADDRESS: STREET 1: 1 SOUTH WACKER DRIVE STREET 2: SUITE 1000 CITY: CHICAGO STATE: IL ZIP: 60606 4 1 wf-form4_151500956225165.xml FORM 4 X0306 4 2017-12-31 0 0000949157 CENTURY ALUMINUM CO CENX 0001638425 Heyroth Stephen K. C/O CENTURY ALUMINUM COMPANY 1 S. WACKER DRIVE, SUITE 1000 CHICAGO IL 60606 0 1 0 0 Chief Accounting Officer Common Stock 2017-12-31 4 F 0 1201 19.64 D 16234 D Common Stock 2018-01-02 4 A 0 3434 0 A 19668 D Reports shares withheld by the Issuer to satisfy tax obligations in connection with the vesting of performance share units granted to the Reporting Person. Includes unvested time vesting performance share units granted to the Reporting Person pursuant to Issuer's 2016-2018 and 2017-2019 Long-Term Incentive Plans under Rule 16b-3(d). Represents time vesting performance share units granted to the Reporting Person in connection with the Issuer's 2018-2020 Long-Term Incentive Plan under Rule 16b-3(d), all of which will vest in the ordinary course on the last day of the Plan Period, December 31, 2020. Includes unvested performance share units granted to the Reporting Person pursuant to Issuer's 2016-2018, 2017-2019 and 2018-2020 Performance Share Programs under a Rule 16b-3(d) plan. /s/ Jesse E. Gary, attorney-in-fact for Mr. Heyroth 2018-01-03