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See how Context works →On the price, the facts of the public record■Insider buy□Insider sell◇Significant stake declared (13D)●Results filed
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End-of-day prices provided by Twelve Data · One close per session; the series does not update during the trading day.
Latest on record
The most recent facts, as filed.
Up to three of the most recent, checkable facts already loaded on this page, each linked to its source.
- Oct 15, 2026Material event · 8-KFiled by the company itself.Open the filing ↗
- Oct 14, 2026Material event · 8-KFiled by the company itself.Open the filing ↗
- Oct 9, 2026Material event · 8-KFiled by the company itself.Open the filing ↗
In numbers
What this profile holds, counted.
Closes · 1 year250
SEC filings on record1,55810 flagged findings
Reported transactions (Form 4)80since May 17, 2024 · and 16 other holdings
Corporate events (8-K)30since Oct 11, 2023
What the record says
Description, identity and filings, each with its source.
Every block cites its source. The colour of a finding marks its category — which document, who filed it — not how much it matters.
What the company does
Transocean Ltd. is a Swiss offshore drilling company. It is the world's largest offshore drilling contractor based on revenue. The company has offices in 20 countries, including Canada, the United States, Norway, United Kingdom, India, Brazil, Singapore, Indonesia, and Malaysia.
Source: Wikipedia (CC BY-SA 4.0) · copied on Sep 3, 2026 · may not reflect recent changes.
Regulatory history
Topics detected in its SEC reports, with the original excerpt.
Each topic is assigned by a classifier over the full filing; the excerpts show where it was detected and are not always enough to verify it. Open the filing to read it in full.
- 2026-05-05capital return (buybacks/dividends)recentOpen filing ↗“… — — — 4,057 Total — $ — — $ 4,057 (a) In May 2009, at our annual general meeting, shareholders approved and…”
+1 more passage from the same document
- “…at its discretion, to repurchase for cancellation any amount of our shares for an aggregate purchase price of up to CHF 3.50…”
- 2026-05-05Department of Justice inquiryrecentOpen filing ↗“…and remediation obligations. Liability is strict and can be joint and several. One of our subsidiaries was named as a PRP in…”
+1 more passage from the same document
- “…outcome or effect of any lawsuit or claim or dispute will prove correct, and the eventual outcome of these matters could materially…”
- 2026-05-05Department of Justice inquiryrecentOpen filing ↗“…the satisfaction or waiver of certain conditions, including the expiration or termination of the applicable waiting period under…”
+1 more passage from the same document
- “…is subject to, among other things, the satisfaction or waiver of certain conditions, including the expiration or…”
Original excerpts from SEC filings, untranslated. Not advice and not a prediction.
The 25 most recent filings (of 1,558)
Every SEC filing, newest first, with what it is. Below, each type with its own explanation.
- Oct 15, 268-K ↗Current report · Took on a new financial obligation new
- Oct 14, 26DEFA14A ↗Shareholder meeting and votes new
- Oct 14, 268-K ↗Current report · Other events new
- Oct 14, 26DEFM14A ↗Shareholder meeting and votes new
- Oct 9, 268-K ↗Current report · Communication to the market
- Sep 30, 26DEFA14A ↗Shareholder meeting and votes
- Sep 30, 268-K ↗Current report · Other events
- Sep 15, 268-K ↗Current report · Communication to the market
- Aug 20, 268-K ↗Current report · Communication to the market
- Aug 7, 2610-Q ↗Quarterly report
- Aug 5, 268-K ↗Current report · Results · Communication to the market
- Jul 7, 26Form 4 ↗Insider transaction
- Jul 1, 26DEFA14A ↗Shareholder meeting and votes
- Jul 1, 268-K ↗Current report · Communication to the market · Other events
- Jun 16, 268-K ↗Current report · Communication to the market
Insider transaction · 9 Form 4 filingsshow all 9hide
- May 27, 26Form 4 ↗Insider transaction
- May 27, 26Form 4 ↗Insider transaction
- May 27, 26Form 4 ↗Insider transaction
- May 27, 26Form 4 ↗Insider transaction
- May 27, 26Form 4 ↗Insider transaction
- May 27, 26Form 4 ↗Insider transaction
- May 27, 26Form 4 ↗Insider transaction
- May 27, 26Form 4 ↗Insider transaction
- May 27, 26Form 4 ↗Insider transaction
- May 26, 268-K ↗Current report · Sold unregistered shares
1,558 filings on record, the oldest from Dec 19, 08.
Listing the 25 most recent filings of the 1,558 on record.
1910858
- Oct 15, 26Took on a new financial obligation+3 more in the same filing8-K 2.03 ↗
- May 26, 26Sold unregistered shares+3 more in the same filing8-K 3.02 ↗
- May 19, 26Entered a material agreement+1 more in the same filing8-K 1.01 ↗
- Feb 10, 26Entered a material agreement+2 more in the same filing8-K 1.01 ↗
- Oct 15, 25Took on a new financial obligation+4 more in the same filing8-K 2.03 ↗
- Sep 26, 25Entered a material agreement+1 more in the same filing8-K 1.01 ↗
- Aug 27, 25Write-down of assets+1 more in the same filing8-K 2.06 ↗
5 sales of unregistered shares2025show all 5hide
- Aug 19, 25Sold unregistered shares+2 more in the same filing8-K 3.02 ↗
- Aug 11, 25Sold unregistered shares+2 more in the same filing8-K 3.02 ↗
- Jul 22, 25Sold unregistered shares+2 more in the same filing8-K 3.02 ↗
- Jul 7, 25Sold unregistered shares+2 more in the same filing8-K 3.02 ↗
- Jun 20, 25Sold unregistered shares+2 more in the same filing8-K 3.02 ↗
- Jun 3, 25Write-down of assets+5 more in the same filing8-K 2.06 ↗
- Feb 18, 25A senior executive left or was appointed+2 more in the same filing8-K 5.02 ↗
- Sep 3, 24Write-down of assets+2 more in the same filing8-K 2.06 ↗
- Jun 28, 24Took on a new financial obligation+3 more in the same filing8-K 2.03 ↗
8 older filings not shown · The record reaches back to Dec 19, 08.
Stress disclosures older than the timeline above. They are individual events from the record, not a complete timeline: there may be more between them.
- Jun 24, 24Write-down of assets+1 more in the same filing8-K 2.06 ↗
- Jun 28, 23Write-down of assets+2 more in the same filing8-K 2.06 ↗
- Feb 15, 23Write-down of assets+1 more in the same filing8-K 2.06 ↗
- Oct 19, 20Listing notice (8-K 3.01)+2 more in the same filing8-K 3.01 ↗
- Oct 7, 20A debt obligation was accelerated+2 more in the same filing8-K 2.04 ↗
- Sep 8, 20A debt obligation was accelerated+3 more in the same filing8-K 2.04 ↗
- May 11, 20Write-down of assets+5 more in the same filing8-K 2.06 ↗
The full record holds 19 stress filings.
Corporate events are tracked from 2004-08-23, when the SEC renumbered 8-K items. Earlier filings use an incompatible numbering and are not classified here.
Schedule 13D: stake and stated purpose
Filed by holders above 5% of a share class who cannot use the short form. It includes the investor's stated purpose: read it before assuming they seek influence.
- Frederik W. Mohn8.8%Feb 9, 26SCHEDULE 13D/A ↗3 co-filers on this document — the figure is the largest single stake, not their sum. · 1 earlier filing
Schedule 13G: short-form filing
The short form, for holders who meet specific requirements: institutional investors, passive investors without a control purpose, or exempt investors. Asset managers and index funds usually file it.
- BlackRock, Inc.6.4%Mar 31, 25SCHEDULE 13G/A ↗
- Capital World Investors4.6%Dec 31, 24SCHEDULE 13G/A ↗1 earlier filing
- PRIMECAP MANAGEMENT CO/CA/1.5%Jun 30, 25SCHEDULE 13G/A ↗
Structured 13D/G data starts 2023-12, when the SEC moved these filings to a machine-readable format. Earlier filings exist but are not parsed here.
Stock compensation, tax and giftsshow the 37 other transactionshide
Stock compensation, tax withholding, option exercises and gifts. They are listed separately and are not included in the purchase and sale totals. The type describes the transaction, not the filer's intent.
- May 26, 26Tax$140KCHAD C DEATON↗
- May 26, 26Tax$171KFrederik Wilhelm Mohn↗
- May 26, 26Tax$140KWilliam F. Lacey↗
- May 22, 26Compensation$561KCHAD C DEATON↗
- May 22, 26Compensation$561KFrederik Wilhelm Mohn↗
- May 22, 26Compensation$561KWilliam F. Lacey↗
- May 4, 26Tax$488KKeelan AdamsonPRESIDENT AND CEO↗
- May 1, 26Compensationamount n/aKeelan AdamsonPRESIDENT AND CEO↗
- Mar 3, 26Tax$1.5MJEREMY D THIGPENExecutive Chair↗
- Mar 3, 26Tax$537KBrady K LongEVP & Chief Legal Officer↗
- Mar 3, 26Tax$783KKeelan AdamsonPRESIDENT AND CEO↗
- Mar 3, 26Tax$385KRobert Thaddeus VaydaEVP, Chief Financial Officer↗
- Mar 3, 26Tax$171KJason PackSVP, Chief Accounting Officer↗
- Mar 3, 26Tax$385KRoderick James MackenzieEVP, Chief Commercial Officer↗
- Mar 1, 26Compensation$1.2MJEREMY D THIGPENExecutive Chair↗
- Mar 1, 26Compensation$1.5MJEREMY D THIGPENExecutive Chair↗
- Mar 1, 26Compensation$1.1MJEREMY D THIGPENExecutive Chair↗
- Mar 1, 26Compensation$330KBrady K LongEVP & Chief Legal Officer↗
- Mar 1, 26Compensation$419KBrady K LongEVP & Chief Legal Officer↗
- Mar 1, 26Compensation$615KBrady K LongEVP & Chief Legal Officer↗
- Mar 1, 26Compensation$423KKeelan AdamsonPRESIDENT AND CEO↗
- Mar 1, 26Compensation$652KKeelan AdamsonPRESIDENT AND CEO↗
- Mar 1, 26Compensation$913KKeelan AdamsonPRESIDENT AND CEO↗
- Mar 1, 26Compensation$112KRobert Thaddeus VaydaEVP, Chief Financial Officer↗
- Mar 1, 26Compensation$143KRobert Thaddeus VaydaEVP, Chief Financial Officer↗
- Mar 1, 26Compensation$137KRobert Thaddeus VaydaEVP, Chief Financial Officer↗
- Mar 1, 26Compensation$587KRobert Thaddeus VaydaEVP, Chief Financial Officer↗
- Mar 1, 26Compensation$95KJason PackSVP, Chief Accounting Officer↗
- Mar 1, 26Compensation$120KJason PackSVP, Chief Accounting Officer↗
- Mar 1, 26Compensation$18KJason PackSVP, Chief Accounting Officer↗
- Mar 1, 26Compensation$202KJason PackSVP, Chief Accounting Officer↗
- Mar 1, 26Compensation$218KRoderick James MackenzieEVP, Chief Commercial Officer↗
- Mar 1, 26Compensation$317KRoderick James MackenzieEVP, Chief Commercial Officer↗
- Mar 1, 26Compensation$443KRoderick James MackenzieEVP, Chief Commercial Officer↗
- Feb 6, 26Tax$737KJEREMY D THIGPENExecutive Chair↗
- Feb 6, 26Tax$201KBrady K LongEVP & Chief Legal Officer↗
- Feb 6, 26Tax$258KKeelan AdamsonPRESIDENT AND CEO↗
The full record holds 207 transactions and goes back to Feb 10, 22.
Its sector and its market
Transocean Ltd. among Energy companies
The profile shows what is on record. Context and Radar place the company among those of its sector and region.
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Coverage
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Where each figure comes from and how far it reaches.
- Prices
- End-of-day closes provided by Twelve Data. One close per session; not real time. Closes adjusted for splits.
- Series quality
- 250 clean closes in the period.
- SEC records
- 1,558 documents on file, from Dec 19, 2008 to Oct 15, 2026.
- Company description
- Wikipedia, read on Sep 3, 2026.
- This page
- Generated on Oct 19, 2026; refreshed through the day.
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No. It is one close per session, from the provider and with the date shown on the profile; it does not update during the trading day.
Which SEC documents appear here?
Those filed with the SEC by the company, its insiders and its major shareholders, within our coverage: periodic reports (10-K, 10-Q, 20-F), material events (8-K), proposed sale notices (Form 144), insider transactions (Form 4) and stakes above 5% (13D/13G). Each links to the original on EDGAR.
Why does a European company show no SEC records?
It depends on the company: some European issuers file a 20-F or 6-K with the SEC and others don't. The profile shows whatever is on record; when there is nothing, it says so rather than guessing why. Europe does not yet have a common filing archive like EDGAR in the United States. The EU will open its own, ESAP, in July 2027 (managers' transactions arrive in January 2028), and we plan to add it once it is available.
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