0001209191-18-027663.txt : 20180503 0001209191-18-027663.hdr.sgml : 20180503 20180503164811 ACCESSION NUMBER: 0001209191-18-027663 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20180502 FILED AS OF DATE: 20180503 DATE AS OF CHANGE: 20180503 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: SIEGEL MARK S CENTRAL INDEX KEY: 0000919501 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-22664 FILM NUMBER: 18804559 MAIL ADDRESS: STREET 1: DISCOVERY LABORATORIES INC STREET 2: 350 S MAIN ST STE 307 CITY: DOYLESTOWN STATE: PA ZIP: 18901 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: PATTERSON UTI ENERGY INC CENTRAL INDEX KEY: 0000889900 STANDARD INDUSTRIAL CLASSIFICATION: DRILLING OIL & GAS WELLS [1381] IRS NUMBER: 752504748 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 10713 WEST SAM HOUSTON PARKWAY NORTH STREET 2: SUITE 800 CITY: HOUSTON STATE: TX ZIP: 77064 BUSINESS PHONE: 2817657100 MAIL ADDRESS: STREET 1: 10713 WEST SAM HOUSTON PARKWAY NORTH STREET 2: SUITE 800 CITY: HOUSTON STATE: TX ZIP: 77064 FORMER COMPANY: FORMER CONFORMED NAME: PATTERSON ENERGY INC DATE OF NAME CHANGE: 19940228 4 1 doc4.xml FORM 4 SUBMISSION X0306 4 2018-05-02 0 0000889900 PATTERSON UTI ENERGY INC PTEN 0000919501 SIEGEL MARK S 1801 CENTURY PARK EAST SUITE 1111 LOS ANGELES CA 90067 1 1 0 0 Chairman of the Board Common Stock, $.01 par value per share 2018-05-02 4 F 0 82037 21.50 D 1400524 D Common Stock, $.01 par value per share 605000 I See Footnote Common Stock, $.01 par value per share 49900 I By Trust(s) Shares disposed to pay applicable withholding taxes on restricted stock vested on 05/02/2018. Shares owned by Remy Capital Partners III, L.P. Mr. Siegel is the sole stockholder of the general partner of Remy Capital Partners III, L.P. Held by trust(s) for which the reporting person is the trustee. By Barry Huntsman pursuant to a Limited Power of Attorney filed with the SEC on 3/29/2013 /s/ Barry Huntsman 2018-05-03