Financial reports
20-F
2020 FY
Annual report (foreign)
12 May 21
NT 20-F
Notice of late annual filing (foreign)
3 May 21
20-F
2019 FY
Annual report (foreign)
30 Apr 20
20-F
2018 FY
Annual report (foreign)
26 Apr 19
20-F
2017 FY
Annual report (foreign)
16 May 18
NT 20-F
Notice of late annual filing (foreign)
1 May 18
NT 20-F
Notice of late annual filing (foreign)
2 May 17
20-F
2015 FY
Annual report (foreign)
20 May 16
NT 20-F
Notice of late annual filing (foreign)
3 May 16
20-F
2014 FY
Annual report (foreign)
7 May 15
Current reports
6-K
Current report (foreign)
16 Nov 21
6-K
Financial Statements for the Quarters
15 Nov 21
6-K
OI20211111_6K
12 Nov 21
6-K
OIPR3Q21_6K
12 Nov 21
6-K
Current report (foreign)
9 Nov 21
6-K
Current report (foreign)
5 Nov 21
6-K
Current report (foreign)
1 Nov 21
6-K
Current report (foreign)
29 Oct 21
6-K
Current report (foreign)
28 Oct 21
6-K
OI20211021_6K
22 Oct 21
Registration and prospectus
F-6 POS
Automatic registration for ADRs (post-effective amendment, foreign)
15 Feb 22
15F-12B
Securities registration termination (foreign)
16 Nov 21
25
Voluntary exchange delisting
18 Oct 21
POSASR
Automatic shelf registration (post-effective amendment)
30 Apr 20
POSASR
Automatic shelf registration (post-effective amendment)
2 May 19
424B3
Prospectus supplement
12 Feb 19
F-1/A
Registration statement (foreign) (amended)
4 Feb 19
POS AM
Prospectus update (post-effective amendment)
1 Feb 19
F-1
Registration statement (foreign)
31 Jan 19
FWP
Free writing prospectus
4 Jan 19
Proxies
No filings
Other
IRAN
Disclosure regarding Iran Threat Reduction and Syria Human Rights Act
12 May 21
IRAN
Disclosure regarding Iran Threat Reduction and Syria Human Rights Act
30 Apr 20
IRAN
Disclosure regarding Iran Threat Reduction and Syria Human Rights Act
29 Apr 19
EFFECT
Notice of effectiveness
12 Feb 19
EFFECT
Notice of effectiveness
12 Feb 19
CORRESP
Correspondence with SEC
8 Feb 19
UPLOAD
Letter from SEC
5 Feb 19
EFFECT
Notice of effectiveness
14 Nov 18
CORRESP
Correspondence with SEC
9 Jul 18
UPLOAD
Letter from SEC
20 Jun 18
Ownership
SC 13G/A
MORGAN STANLEY
9 Jul 21
SC 13G/A
Solus Alternative Asset Management LP
16 Feb 21
SC 13G/A
MORGAN STANLEY
12 Feb 21
SC 13G
MORGAN STANLEY
10 Dec 20
SC 13D/A
GOLDENTREE ASSET MANAGEMENT LP
2 Jul 20
SC 13D/A
GOLDENTREE ASSET MANAGEMENT LP
27 Apr 20
SC 13G/A
York Capital Management Global Advisors, LLC
17 Mar 20
SC 13D/A
GOLDENTREE ASSET MANAGEMENT LP
13 Mar 20
SC 13G/A
Beneficial ownership report (amended)
14 Feb 20
SC 13G/A
Beneficial ownership report (amended)
10 Feb 20