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Filing Detail
Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001209191-18-027663
Filing Date
2018-05-03
Accepted
2018-05-03 16:48:11
Documents
1
Period of Report
2018-05-02

Document Format Files

Seq Description Document Type Size
1 FORM 4 SUBMISSION doc4.html 4  
1 FORM 4 SUBMISSION doc4.xml 4 5216
  Complete submission text file 0001209191-18-027663.txt   6729
Mailing Address 10713 WEST SAM HOUSTON PARKWAY NORTH SUITE 800 HOUSTON TX 77064
Business Address 10713 WEST SAM HOUSTON PARKWAY NORTH SUITE 800 HOUSTON TX 77064 2817657100
PATTERSON UTI ENERGY INC (Issuer) CIK: 0000889900 (see all company filings)

IRS No.: 752504748 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 1381 Drilling Oil & Gas Wells

Mailing Address DISCOVERY LABORATORIES INC 350 S MAIN ST STE 307 DOYLESTOWN PA 18901
Business Address
SIEGEL MARK S (Reporting) CIK: 0000919501 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-22664 | Film No.: 18804559