Latest filings (excl ownership)
15-12B
Securities registration termination
27 Dec 18
EFFECT
Notice of effectiveness
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
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
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
425
Business combination disclosure
9 Oct 18
425
Business combination disclosure
9 Oct 18
6-K
Current report (foreign)
9 Oct 18
425
Business combination disclosure
5 Sep 18
425
Business combination disclosure
4 Sep 18
425
Business combination disclosure
4 Sep 18
425
Business combination disclosure
4 Sep 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
6-K
Ocean Rig Udw Inc. Announces Withdrawal of Offering of Common Shares by Its Subsidiary
11 Jun 18
6-K
Ocean Rig Udw Inc. Announces Offering of Common Shares by Its Subsidiary
29 May 18
6-K
Management's Discussion and Analysis of Financial Condition and Results of Operations
17 May 18
6-K
Ocean Rig Udw Inc. Reports Financial and Operating Results for the First Quarter 2018
16 May 18
6-K
Ocean Rig Udw Inc. Announces Agreement to Postpone Delivery of Newbuilding Drillship Ocean Rig Santorini
23 Apr 18
6-K
Ocean Rig Udw Inc. Announces Authorization of an Up to $150 Million Stock Repurchase Plan
16 Apr 18
6-K
Ocean Rig Udw Inc. Announces $100 Million Prepayment of $450 Million Senior Secured Credit Facility
21 Mar 18
F-3ASR
Automatic shelf registration (foreign)
19 Mar 18
6-K
Current report (foreign)
16 Mar 18
20-F
2017 FY
Annual report (foreign)
15 Mar 18
424B3
Prospectus supplement
5 Mar 18
6-K
Ocean Rig Udw Inc. Announces the Results
5 Mar 18
424B3
Prospectus supplement
26 Feb 18
Latest ownership filings
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
SC 13D/A
Ocean Rig UDW Inc.
16 Oct 17
SC 13D
Ocean Rig UDW Inc.
2 Oct 17
SC 13D
Ocean Rig UDW Inc.
2 Oct 17
SC 13D
Ocean Rig UDW Inc.
29 Sep 17
SC 13D/A
Ocean Rig UDW Inc.
29 Sep 17
SC 13G/A
Ocean Rig UDW Inc.
9 Feb 17
SC 13G/A
Ocean Rig UDW Inc.
4 May 16
SC 13D/A
Ocean Rig UDW Inc.
14 Apr 16
SC 13G/A
Ocean Rig UDW Inc.
6 Apr 16
SC 13G/A
Ocean Rig UDW Inc.
11 Feb 16
SC 13G
Ocean Rig UDW Inc.
7 Oct 15
SC 13D
Ocean Rig UDW Inc.
14 Sep 15
SC 13G/A
Ocean Rig UDW Inc.
25 Aug 15
SC 13G/A
Ocean Rig UDW Inc.
15 Jun 15
SC 13G
Ocean Rig UDW Inc.
17 Feb 15
SC 13G/A
Ocean Rig UDW Inc.
9 Feb 15
SC 13G/A
Ocean Rig UDW Inc.
14 Feb 14
SC 13G/A
Ocean Rig UDW Inc.
6 Feb 14