Financial reports
20-F
2017 FY
Annual report (foreign)
15 Mar 18
20-F
2016 FY
Annual report (foreign)
22 Mar 17
20-F
2015 FY
Annual report (foreign)
31 Mar 16
20-F
2014 FY
Annual report (foreign)
9 Mar 15
20-F
2013 FY
Annual report (foreign)
21 Feb 14
20-F
2012 FY
Annual report (foreign)
22 Mar 13
20-F/A
2011 FY
Annual report (foreign) (amended)
26 Mar 12
20-F
2011 FY
Annual report (foreign)
14 Mar 12
Current reports
6-K
Current report (foreign)
29 Nov 18
6-K
Management's Discussion and Analysis of Financial Condition and Results of Operations
14 Nov 18
6-K
Ocean Rig Udw Inc. Reports Financial and Operating Results
13 Nov 18
6-K
Current report (foreign)
9 Oct 18
6-K
Voting and Support Agreement
4 Sep 18
6-K
Management's Discussion and Analysis of Financial Condition and Results of Operations
9 Aug 18
6-K
Ocean Rig Udw Inc. Reports Financial and Operating Results for the Second Quarter 2018
8 Aug 18
6-K
Ocean Rig Udw Inc. Announces Updates to Rig Employment
23 Jul 18
6-K
Ocean Rig Udw Inc. Announces Agreement to Postpone Delivery of Newbuilding Drillship Ocean Rig Crete
29 Jun 18
6-K
Ocean Rig Udw Inc Joins the Russell 3000Ò Index
25 Jun 18
Registration and prospectus
15-12B
Securities registration termination
27 Dec 18
POS AM
Prospectus update (post-effective amendment)
19 Dec 18
POSASR
Automatic shelf registration (post-effective amendment)
6 Dec 18
25-NSE
Exchange delisting
6 Dec 18
425
Business combination disclosure
29 Nov 18
425
Business combination disclosure
5 Nov 18
425
Business combination disclosure
31 Oct 18
425
Business combination disclosure
31 Oct 18
425
Business combination disclosure
29 Oct 18
425
Business combination disclosure
23 Oct 18
Proxies
No filings
Other
EFFECT
Notice of effectiveness
27 Dec 18
EFFECT
Notice of effectiveness
12 Oct 17
CORRESP
Correspondence with SEC
11 Oct 17
UPLOAD
Letter from SEC
4 Oct 17
EFFECT
Notice of effectiveness
8 Jul 16
EFFECT
Notice of effectiveness
14 Apr 16
CORRESP
Correspondence with SEC
12 Apr 16
UPLOAD
Letter from SEC
28 Mar 16
CORRESP
Correspondence with SEC
11 Mar 16
UPLOAD
Letter from SEC
28 Jan 16
Ownership
SC 13G/A
Ocean Rig UDW Inc.
13 Feb 19
SC 13D/A
Ocean Rig UDW Inc.
7 Dec 18
SC 13D/A
Ocean Rig UDW Inc.
7 Sep 18
SC 13D/A
Ocean Rig UDW Inc.
5 Sep 18
SC 13G
Ocean Rig UDW Inc.
16 Feb 18
SC 13G
Ocean Rig UDW Inc.
15 Feb 18
SC 13G
Ocean Rig UDW Inc.
14 Feb 18
SC 13G/A
Ocean Rig UDW Inc.
14 Feb 18
SC 13D/A
Ocean Rig UDW Inc.
17 Oct 17
SC 13D/A
Ocean Rig UDW Inc.
16 Oct 17