Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000937394-13-000072
Filing Date
2013-02-07
Accepted
2013-02-07 15:54:51
Documents
1

Document Format Files

Seq Description Document Type Size
1 unt_.txt SC 13G/A 9486
  Complete submission text file 0000937394-13-000072.txt   10967
Mailing Address 1000 KENSINGTON TOWER 7130 SO LEWIS STE 1000 TULSA OK 74136
Business Address 1000 KENSINGTON TOWER 7130 SO LEWIS STE 1000 TULSA OK 74136 9184937700
UNIT CORP (Subject) CIK: 0000798949 (see all company filings)

EIN.: 731283193 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-38944 | Film No.: 13582339
SIC: 1311 Crude Petroleum & Natural Gas

Mailing Address 789 N WATER STREET MILWAUKEE WI 53202
Business Address 789 N WATER STREET MILWAUKEE WI 53202 414-347-7777
HEARTLAND ADVISORS INC (Filed by) CIK: 0000937394 (see all company filings)

EIN.: 391078128 | State of Incorp.: WI | Fiscal Year End: 1231
Type: SC 13G/A