Financial reports
ARS
2023 FY
Annual report to shareholders
28 Mar 24
10-K
2023 FY
Annual report
28 Feb 24
10-Q
2023 Q3
Quarterly report
7 Nov 23
10-Q
2023 Q2
Quarterly report
8 Aug 23
10-Q
2023 Q1
Quarterly report
9 May 23
ARS
2022 FY
Annual report to shareholders
30 Mar 23
10-K
2022 FY
Annual report
28 Feb 23
10-Q
2022 Q3
Quarterly report
8 Nov 22
10-Q
2022 Q2
Quarterly report
10 Aug 22
10-Q
2022 Q1
Quarterly report
10 May 22
Current reports
8-K
Other Events
23 Apr 24
8-K
Other Events
15 Mar 24
8-K
Departure of Directors or Certain Officers
15 Mar 24
8-K
Diamond Offshore Announces New Drillship Commitment
4 Mar 24
8-K
Diamond Offshore Reports Fourth Quarter 2023 Results
28 Feb 24
8-K
Diamond Offshore Announces New Floater Commitments
8 Feb 24
8-K
Other Events
5 Feb 24
8-K
Departure of Directors or Certain Officers
19 Jan 24
8-K
Diamond Offshore Reports Third Quarter 2023 Results and Announces Contract Awards of $240 Million
7 Nov 23
8-K
Entry into a Material Definitive Agreement
22 Sep 23
Registration and prospectus
424B3
Prospectus supplement
17 Jun 22
S-3/A
Shelf registration (amended)
2 Jun 22
8-A12B
Registration of securities on exchange
29 Mar 22
RW
Registration withdrawal request
10 Feb 22
S-8 POS
Registration of securities for employees (post-effective amendment)
10 Feb 22
S-8 POS
Registration of securities for employees (post-effective amendment)
10 Feb 22
S-8 POS
Registration of securities for employees (post-effective amendment)
10 Feb 22
S-8 POS
Registration of securities for employees (post-effective amendment)
10 Feb 22
S-1/A
IPO registration (amended)
27 Aug 21
S-1
IPO registration
22 Jun 21
Proxies
DEFA14A
Additional proxy soliciting materials
28 Mar 24
DEF 14A
Definitive proxy
28 Mar 24
DEFA14A
Additional proxy soliciting materials
31 Mar 23
DEF 14A
Definitive proxy
30 Mar 23
PRE 14A
Preliminary proxy
17 Mar 23
DEFA14A
Additional proxy soliciting materials
1 Apr 20
DEF 14A
Definitive proxy
1 Apr 20
DEFA14A
Additional proxy soliciting materials
3 Apr 19
DEF 14A
Definitive proxy
3 Apr 19
DEF 14A
Definitive proxy
3 Apr 18
Other
EFFECT
Notice of effectiveness
21 Jun 22
CORRESP
Correspondence with SEC
14 Jun 22
CORRESP
Correspondence with SEC
2 Jun 22
UPLOAD
Letter from SEC
1 Jun 22
CERT
Certification of approval for exchange listing
29 Mar 22
UPLOAD
Letter from SEC
15 Sep 21
CORRESP
Correspondence with SEC
27 Aug 21
UPLOAD
Letter from SEC
8 Jul 21
SEC STAFF ACTION
SEC staff action: Order
23 Apr 21
CORRESP
Correspondence with SEC
22 Apr 21
Ownership
4
Dominic A Savarino
19 Mar 24
3
Jon L. Richards
15 Mar 24
144
Notice of proposed sale of securities
7 Mar 24
4
DAVID L ROLAND
6 Mar 24
144
Notice of proposed sale of securities
5 Mar 24
4
Dominic A Savarino
1 Mar 24
144
Notice of proposed sale of securities
1 Mar 24
SC 13G/A
VANGUARD GROUP INC
13 Feb 24
SC 13G/A
KGH Ltd
13 Feb 24
SC 13G/A
Contrarius Investment Management Ltd
12 Feb 24