Company profile
Employees
Incorporated
Location
Fiscal year end
Industry (SIC)
Former names
Di International Inc, Grey Wolf International Inc
SEC CIK
Corporate docs
Latest filings (excl ownership)
CORRESP
Correspondence with SEC
21 Jun 17
EFFECT
Notice of effectiveness
21 Jun 17
F-4/A
Registration of securities (foreign) (amended)
20 Jun 17
CORRESP
Correspondence with SEC
30 May 17
F-4/A
Registration of securities (foreign) (amended)
30 May 17
F-10
Registration of securities (Canada)
1 May 17
EFFECT
Notice of effectiveness
4 Mar 15
F-10/A
Registration of securities (Canada) (amended)
4 Mar 15
F-10
Registration of securities (Canada)
19 Feb 15
424B3
Prospectus supplement
12 Mar 12
Latest ownership filings
No filings