Welcome to our dedicated page for Transocean Ltd. 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.
Transocean Ltd. filings document an offshore contract drilling issuer whose shares are registered on the New York Stock Exchange under RIG. Its Form 8-K reports furnish operating results, financial condition disclosures, Regulation FD fleet status reports and exhibits covering drilling rig status, contract information and backlog-related updates for ultra-deepwater drillships and harsh-environment semisubmersibles.
The company’s regulatory record also includes statutory consolidated financial statements, proxy and governance materials, shareholder voting matters, capital-structure disclosures and material-event reports related to rig awards, contract extensions, debt actions and registered share information.
Transocean Ltd.'s Executive Vice President and Chief Commercial Officer reported a sale of company stock. On 12/03/2025, the officer sold 35,000 Transocean Ltd. registered shares at a price of $4.48 per share in a transaction coded "S" (sale). After this transaction, the officer directly beneficially owned 212,072 shares of the company.
An affiliate of RIG has filed a Form 144 notice covering the proposed sale of 66,437 common shares through Morgan Stanley Smith Barney on the NYSE, with an indicated aggregate market value of $295,644.65. These shares were acquired as restricted stock units from the issuer on 03/01/2024 and became deliverable in that amount.
The notice states that there were 1,101,441,205 common shares outstanding at the time referenced. It also discloses that, during the past three months, a related Rule 10b5-1 trading arrangement for Keelan Adamson sold 40,942 common shares on 10/24/2025 for gross proceeds of $163,768.00. By signing, the seller represents they are not aware of undisclosed material adverse information about the issuer.
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.