Welcome to our dedicated page for Transocean SEC filings (Ticker: RIG), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
This Transocean Ltd. (NYSE: RIG) filings page brings together the company’s reports to the U.S. Securities and Exchange Commission, including Form 8-K current reports and references to its annual Form 10-K and other periodic filings. Transocean is a Swiss-incorporated offshore contract driller that focuses on ultra-deepwater and harsh environment services for oil and gas wells, and its SEC documents provide detailed insight into both operations and capital structure.
Recent Form 8-K filings describe material events such as contract awards and option exercises for rigs like Deepwater Atlas, Deepwater Mykonos, Deepwater Skyros, Transocean Enabler and Transocean Barents. These filings quantify the approximate additions to firm contract backlog and outline expected campaign durations and locations, giving investors a clearer view of future contracted activity.
Other 8-Ks focus on financing and capital markets transactions, including a private offering of Senior Priority Guaranteed Notes due 2032, cash tender offers for senior notes due 2041 and 2028, and an underwritten public offering of Transocean shares. These documents summarize key terms of new debt, tender offer conditions, early tender results and intended use of proceeds for debt repayment or redemption.
Transocean also uses Form 8-K to furnish quarterly financial results and to reference its earnings press releases and interactive data files formatted in Inline XBRL. The company’s disclosures note that additional risks and details are discussed in its Annual Report on Form 10-K and other SEC filings available on the SEC’s website.
On Stock Titan, AI-powered tools can help interpret these filings by highlighting contract-related disclosures, changes in backlog, new obligations under indentures, and the financial impact of tender offers and note issuances. Real-time updates from EDGAR, combined with AI summaries, allow users to quickly understand the significance of each new RIG filing without reading every page in full.
RIG insider Roderick J. Mackenzie filed a Rule 144 notice to sell 35,000 shares of common stock through Morgan Stanley Smith Barney LLC on the NYSE, with an aggregate market value of $156,810.50 and an approximate sale date of 12/03/2025. The 35,000 shares were acquired on 02/06/2025 as restricted stock vesting under a registered plan in exchange for services rendered. The notice states that 1,101,441,205 shares of this class were outstanding. Over the prior three months, Mackenzie also sold 53,769 common shares on 10/31/2025 for gross proceeds of $207,456.93. The signer represents that he is not aware of any undisclosed material adverse information about the issuer’s operations.
Transocean Ltd.'s Executive Vice President and Chief Financial Officer reported a stock sale in a Form 4 filing. On 11/26/2025, the officer sold 30,000 registered shares of Transocean at a price of $4.29 per share. After this transaction, the officer directly beneficially owned 235,154 registered shares. The filing also notes indirect beneficial ownership of 91 registered shares held by the officer's child. The officer disclaims beneficial ownership of these indirectly held securities, stating that the report should not be deemed an admission of beneficial ownership for any purpose.
Transocean Ltd. reported that its Executive Chair and director sold 500,000 registered shares of the company’s stock on 11/26/2025. The sale was reported at a weighted average price of $4.32 per share, with individual trade prices ranging from $4.31 to $4.34. Following this transaction, the insider beneficially owned 2,136,223 shares, a figure that already reflects a prior transfer of shares to the reporting person’s former spouse pursuant to a domestic relations order.
RIG has filed a Form 144/A indicating a planned sale of 500,000 shares of common stock through Morgan Stanley Smith Barney LLC, with an aggregate market value of $2,159,400, on or about 11/26/2025 on the NYSE. The issuer reports 1,101,441,205 shares of common stock outstanding. The shares to be sold were acquired from the issuer via equity compensation, including RSU vesting and performance stock units granted for services rendered on several dates from 2017 through 2024.
Transocean Ltd. (RIG) reported an insider share purchase by Perestroika (Cyprus) Ltd., which is treated as a director by deputization. On 11/24/2025, the entity purchased 1,500,000 registered shares of Transocean at a price of $4.02 per share, coded as a purchase transaction. Following this trade, it beneficially owned 96,574,894 shares, held as direct ownership. Perestroika (Cyprus) Ltd. is a wholly owned subsidiary of Perestroika AS, which is solely owned and directed by Mr. Frederik Mohn, making him the indirect beneficial owner of these securities.
Transocean Ltd. (RIG) reported an insider equity purchase linked to its board. On 11/24/2025, Perestroika (Cyprus) Ltd., which may be deemed a director of the company by deputization, acquired 1,500,000 registered shares of Transocean at $4.02 per share. Following this transaction, Perestroika (Cyprus) Ltd. held 96,574,894 shares indirectly. These securities are held through Perestroika (Cyprus) Ltd., a wholly owned subsidiary of Perestroika AS, for which Mr. Frederik Mohn is the sole director and owner, making him the indirect beneficial owner of these holdings.
Transocean Ltd. (RIG) director Frederik Mohn, through Perestroika (Cyprus) Ltd., reported buying 1,500,000 registered shares on 11/24/2025 at $4.02 per share.
After this transaction, the filing shows 96,574,894 registered shares beneficially owned indirectly. The report identifies Mohn as the sole director and owner of Perestroika AS, which wholly owns Perestroika (Cyprus) Ltd., making him the indirect beneficial owner of these securities.
Transocean Ltd. (RIG) reported that customers exercised contract options for one ultra-deepwater drillship and two harsh-environment semisubmersible rigs, adding approximately $89 million in firm contract backlog. In Brazil, Petrobras exercised a 90-day option for the Deepwater Mykonos, expected to contribute about $33 million in backlog. In Norway, a two-well option was exercised for the Transocean Enabler at a dayrate of $453,000, excluding additional services. In Romania, OMV Petrom exercised a one-well option for the Transocean Barents at a dayrate of $480,000 per day, reinforcing demand for Transocean’s high-specification offshore fleet.
Transocean (RIG) reported an insider transaction by its EVP and Chief Commercial Officer. On 10/31/2025, the executive sold 53,769 Registered Shares at $3.86 per share (Transaction Code S). After the sale, the executive directly beneficially owns 247,072 shares.
Transocean Ltd. (via Transocean International Limited) reported an insider transaction at Nauticus Robotics (KITT). On 10/28/2025, Transocean International Limited converted debt into equity, acquiring 2,144,295 shares of Nauticus common stock at a conversion price of $1.76 per share under a 2023 senior secured term loan.
Following the conversion, the filing shows 2,150,716 shares beneficially owned indirectly, which includes 6,421 Earnout Shares issuable on or before September 9, 2027 under merger earnout terms. The transaction reflects a non-cash conversion of $3,000,000 in principal together with accrued interest into equity, simplifying the lender’s position to common stock exposure.