Diamond Offshore Drilling, Inc.
Headquarters Houston, TX
Financials
Prospectuses and Registrations
FORMNAMEDATE FILED
15-12GSecurities registration termination9/16/2024POS AMPost-Effective amendments for registration statement9/4/2024POS AMPost-Effective amendments for registration statement9/4/2024S-8 POSSecurities to be offered to employees in employee benefit plans, post-effective amendments9/4/2024425Prospectuses and communications, business combinations8/19/2024425Prospectuses and communications, business combinations7/31/2024425Prospectuses and communications, business combinations7/30/2024
Proxies
FORMNAMEDATE FILED
DEFM14ADefinitive proxy statement relating to merger or acquisition7/25/2024DEFA14AAdditional definitive proxy soliciting materials and Rule 14(a)(12) material3/28/2024DEF 14AOther definitive proxy statements3/28/2024DEFA14AAdditional definitive proxy soliciting materials and Rule 14(a)(12) material3/31/2023DEF 14AOther definitive proxy statements3/30/2023PRE 14AOther preliminary proxy statements3/17/2023DEFA14AAdditional definitive proxy soliciting materials and Rule 14(a)(12) material4/1/2020
News
FORMNAMEDATE FILED
8-KEntry into a Material Definitive Agreement9/4/20248-KSubmission of Matters to a Vote of Security Holders8/27/20248-KNews Release8/19/20248-KResults of Operations and Financial Condition8/7/20248-KNews Release7/26/20248-KEntry into a Material Definitive Agreement6/10/20248-KSubmission of Matters to a Vote of Security Holders5/9/2024
Ownership
Others
FORMNAMEDATE FILED
EFFECTNotice of Effectiveness9/11/2024EFFECTNotice of Effectiveness9/11/202425-NSENotification filed by national security exchange to report the removal from listing and registration of matured, redeemed or retired securities9/4/2024EFFECTNotice of Effectiveness6/17/2022CORRESPCorrespondence6/14/2022CORRESPCorrespondence6/2/2022UPLOADSEC-generated letter6/1/2022