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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0001258897-18-001087
Filing Date
2018-02-09
Accepted
2018-02-09 08:29:45
Documents
1

Document Format Files

Seq Description Document Type Size
1 SCHEDULE 13G/A dfs233.htm SC 13G/A 51229
  Complete submission text file 0001258897-18-001087.txt   52913
Mailing Address 5 GREENWAY PLAZA SUITE 100 HOUSTON TX 77046
Business Address 5 GREENWAY PLAZA SUITE 100 HOUSTON TX 77046 281-406-2000
PARKER DRILLING CO /DE/ (Subject) CIK: 0000076321 (see all company filings)

IRS No.: 730618660 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-37314 | Film No.: 18587978
SIC: 1381 Drilling Oil & Gas Wells

Mailing Address 6300 BEE CAVE ROAD BUILDING ONE AUSTIN TX 78746
Business Address 6300 BEE CAVE ROAD BUILDING ONE AUSTIN TX 78746 (512) 306-7400
DIMENSIONAL FUND ADVISORS LP (Filed by) CIK: 0000354204 (see all company filings)

IRS No.: 222370029 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 0000