Stocks › RIG

Transocean Ltd.

RIG·NYSE·Switzerland Switzerland·USD
$5.40
-0.11 (-2.00%)
Close · Oct 6, 2026 · Close Prices from Tiingo.com
RIG
Transocean Ltd. · NYSE
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
RIGS&P 500 (rebased)
Congress BuyCongress SellInsider BuyInsider SellForm 1448-K ResultsLobbying
Loading price history…
Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair

Congressional Trades

Recent trades of RIG by members of U.S. Congress · 13 on record
All congressional trades →
PoliticianStockTypeFiledTraded
Ro KhannaRo KhannaHouse · D · CA RIGTransocean Ltd. · Common Stock Sale
$1,001 - $15,000
Jul 11, 2019 Jun 5, 2019 Filing ↗
Ro KhannaRo KhannaHouse · D · CA RIGTransocean Ltd. · Stock Purchase
$1,001 - $15,000
Aug 10, 2017 Jul 17, 2017 Filing ↗
Kenny MarchantKenny MarchantHouse · R · TX RIGTransocean Ltd. · Stock Sale
$1,001 - $15,000
Mar 9, 2015 Feb 3, 2015 Filing ↗
Kenny MarchantKenny MarchantHouse · R · TX RIGTransocean Ltd. · Stock Sale
$1,001 - $15,000
Feb 11, 2015 Feb 3, 2015 Filing ↗
Curtis J. ClawsonCurtis J. ClawsonHouse · R · FL RIGTransocean Ltd. · Stock Sale
$1,001 - $15,000
Sep 11, 2014 Aug 19, 2014 Filing ↗
Curtis J. ClawsonCurtis J. ClawsonHouse · R · FL RIGTransocean Ltd. · Stock Sale
$50,001 - $100,000
Sep 11, 2014 Aug 19, 2014 Filing ↗
Curtis J. ClawsonCurtis J. ClawsonHouse · R · FL RIGTransocean Ltd. · Stock Purchase
$1,001 - $15,000
Jul 24, 2014 Jul 2, 2014 Filing ↗
Curtis J. ClawsonCurtis J. ClawsonHouse · R · FL RIGTransocean Ltd. · Stock Purchase
$15,001 - $50,000
Jul 24, 2014 Jul 2, 2014 Filing ↗
Kenny MarchantKenny MarchantHouse · R · TX RIGTransocean Ltd. · Stock Sale
$1,001 - $15,000
Apr 8, 2014 Mar 18, 2014 Filing ↗
Kenny MarchantKenny MarchantHouse · R · TX RIGTransocean Ltd. · Stock Sale
$1,001 - $15,000
Apr 8, 2014 Mar 13, 2014 Filing ↗
Kenny MarchantKenny MarchantHouse · R · TX RIGTransocean Ltd. · Stock Sale
$1,001 - $15,000
Apr 8, 2014 Mar 17, 2014 Filing ↗
Thomas R CarperThomas R CarperSenate · D · DE RIGTransocean Ltd. Purchase
$1,001 - $15,000
Mar 6, 2014 Feb 27, 2014 Filing ↗
Kenny MarchantKenny MarchantHouse · R · TX RIGTransocean Ltd. · Stock Purchase
$1,001 - $15,000
Mar 5, 2014 Feb 26, 2014 Filing ↗

Whale Activity

Position changes in RIG reported for 2026-06-30 by 14 tracked institutional filers
Increased: 7New: 1Decreased: 4No prior filing: 2
  • Increased7
  • New1
  • Held0
  • Decreased4
  • Closed0
  • No prior filing2
FilerSharesValueChange
BlackRock, Inc.91.9M$449.5Mincreased
VANGUARD PORTFOLIO MANAGEMENT LLC49.3M$241.1Mincreased
TWO SIGMA INVESTMENTS, LP46.2M$225.9Mdecreased
VANGUARD CAPITAL MANAGEMENT LLC45.2M$221.0Mincreased
D. E. Shaw & Co., Inc.41.8M$204.4Mincreased
RENAISSANCE TECHNOLOGIES LLC14.5M$71.0Mincreased
Point72 Asset Management, L.P.14.2M$69.3Mincreased
TWO SIGMA INVESTMENTS, LP27.3M$42.3Mdecreased
Bridgewater Associates, LP8.0M$38.9Mincreased
TIG Advisors, LLC4.0M$19.5M—
BlackRock, Inc.2.8M$4.3Mnew
CITADEL ADVISORS LLC839.1K$4.1Mdecreased

KeyVex tracks a curated set of large 13F filers plus the largest positions in recent filings, so this is a sample of institutional activity, not the whole market.

Insider Trading

Net shares bought (+) or sold (−) on the open market by RIG insiders, by quarter · Form 4
-5.0M-2.5M02.5M5.0M2025 Q1: -66.0K2025 Q12025 Q2: -74.0K2025 Q22025 Q3: 4.0M2025 Q32025 Q4: 676.8K2025 Q42026 Q1: -275.3K2026 Q12026 Q2: -81.7K2026 Q22026 Q3: 35.0K2026 Q32026 Q4: 02026 Q4

Recent Insider Transactions

1,784 transactions on record · newest first
All insider activity →
InsiderTypeSharesPriceValueDate
DEATON CHAD CDirector · Director Purchase +35.0K $4.95 $173K Jul 2, 2026 Form 4 ↗
Lacey William F.Director Tax withholding −20.9K $6.70 $140K May 26, 2026 Form 4 ↗
Mohn Frederik WilhelmDirector Tax withholding −25.6K $6.70 $171K May 26, 2026 Form 4 ↗
DEATON CHAD CDirector Tax withholding −20.9K $6.70 $140K May 26, 2026 Form 4 ↗
Lacey William F.Director Option exercise +82.4K $6.81 $561K May 22, 2026 Form 4 ↗
Mohn Frederik WilhelmDirector Option exercise +82.4K $6.81 $561K May 22, 2026 Form 4 ↗
DEATON CHAD CDirector Option exercise +82.4K $6.81 $561K May 22, 2026 Form 4 ↗
Long Brady KEVP & Chief Legal Officer Sale −81.7K $7.45 $609K May 21, 2026 Form 4 ↗
Adamson KeelanPRESIDENT AND CEO · Director Tax withholding −71.6K $6.82 $488K May 4, 2026 Form 4 ↗
Adamson KeelanPRESIDENT AND CEO · Director Option exercise +180.9K $0.00 $0 May 1, 2026 Form 4 ↗
Mackenzie Roderick JamesEVP, Chief Commercial Officer Sale −78.4K $6.36 $498K Mar 4, 2026 Form 4 ↗
Mackenzie Roderick JamesEVP, Chief Commercial Officer Tax withholding −62.9K $6.12 $385K Mar 3, 2026 Form 4 ↗
Pack JasonSVP, Chief Accounting Officer Tax withholding −28.0K $6.12 $171K Mar 3, 2026 Form 4 ↗
Vayda Robert ThaddeusEVP, Chief Financial Officer Tax withholding −63.0K $6.12 $385K Mar 3, 2026 Form 4 ↗
Adamson KeelanPRESIDENT AND CEO · Director Tax withholding −127.9K $6.12 $783K Mar 3, 2026 Form 4 ↗
Long Brady KEVP & Chief Legal Officer Tax withholding −87.7K $6.12 $537K Mar 3, 2026 Form 4 ↗
THIGPEN JEREMY DExecutive Chair · Director Tax withholding −245.6K $6.12 $1.5M Mar 3, 2026 Form 4 ↗
Mackenzie Roderick JamesEVP, Chief Commercial Officer Option exercise +70.9K $6.25 $443K Mar 1, 2026 Form 4 ↗
Mackenzie Roderick JamesEVP, Chief Commercial Officer Option exercise +50.7K $6.25 $317K Mar 1, 2026 Form 4 ↗
Mackenzie Roderick JamesEVP, Chief Commercial Officer Option exercise +34.9K $6.25 $218K Mar 1, 2026 Form 4 ↗

Fund Holders

Mutual funds and ETFs holding RIG · SEC Form N-PORT
FundSharesValue% of fundAs of
VANGUARD TOTAL STOCK MARKET INDEX FUND
VANGUARD INDEX FUNDS
31.8M$155.7M0.01%Jun 30, 2026
VANGUARD SMALL-CAP INDEX FUND
VANGUARD INDEX FUNDS
23.1M$112.7M0.06%Jun 30, 2026
Avantis U.S. Small Cap Value ETF
American Century ETF Trust
17.6M$108.7M0.40%May 31, 2026
VANGUARD SMALL-CAP GROWTH INDEX FUND
VANGUARD INDEX FUNDS
13.3M$65.1M0.14%Jun 30, 2026
VANGUARD EXTENDED MARKET INDEX FUND
VANGUARD INDEX FUNDS
11.5M$56.3M0.06%Jun 30, 2026
VANGUARD ENERGY INDEX FUND
VANGUARD WORLD FUND
5.5M$34.0M0.29%May 31, 2026
VANGUARD RUSSELL 2000 INDEX FUND
VANGUARD SCOTTSDALE FUNDS
4.8M$29.6M0.17%May 31, 2026
Dimensional US Small Cap Value ETF
Dimensional ETF Trust
5.3M$28.5M0.35%Jul 31, 2026
Dimensional U.S. Targeted Value ETF
Dimensional ETF Trust
5.1M$27.4M0.19%Jul 31, 2026
Dimensional U.S. Small Cap ETF
Dimensional ETF Trust
3.7M$19.8M0.13%Jul 31, 2026

Mutual funds and ETFs whose N-PORT filings list RIG's shares (CUSIP H8817H100), each fund at its latest report since Mar 7, 2026, largest positions first. Bonds, options and short positions are left out.

Activist & Passive Stakes

Schedule 13D / 13G beneficial-ownership filings

No 13D/13G beneficial-ownership filings on record.

Corporate Lobbying

Estimated quarterly lobbying spending reported under the LDA, filings naming transocean as client

No lobbying filings found naming Transocean Ltd. as the client.

  • MILLER & CHEVALIER CHARTEREDTRANSOCEAN LTD. · 2019 Q2—
    Filing ↗
  • MILLER & CHEVALIER CHARTEREDTRANSOCEAN LTD. · 2019 Q1 · TRD—
    Filing ↗
  • MILLER & CHEVALIER CHARTEREDTRANSOCEAN LTD. · 2018 Q4 · TRD—
    Filing ↗
  • MILLER & CHEVALIER CHARTEREDTRANSOCEAN LTD. · 2018 Q3 · TRD—
    Filing ↗
  • MILLER & CHEVALIER CHARTEREDTRANSOCEAN LTD. · 2018 Q3 · TRD—
    Filing ↗

Government Contracts

Federal awards to Transocean Ltd. · USAspending

No federal contract awards found for Transocean Ltd..

U.S. Patents

Recent USPTO applications naming Transocean Ltd.

No USPTO patent applications found for Transocean Ltd..

Annual Financials

From RIG's 10-K filings · XBRL

No annual XBRL figures on record for RIG. KeyVex's fundamentals cover about 130 large companies so far.

Stock Splits

Every split and reverse split in the price history
  • 2-for-1Stock splitSep 22, 1997

Split dates and ratios from the price history · Close Prices from Tiingo.com

Material Events (8-K)

Corporate events filed with the SEC
  • 8-K · Items 8.01Other eventsSep 30, 2026
    EDGAR ↗
  • 8-K · Items 7.01, 9.01Reg FD disclosureSep 15, 2026
    EDGAR ↗
  • 8-K · Items 7.01, 9.01Reg FD disclosureAug 20, 2026
    EDGAR ↗
  • 8-K · Items 2.02, 7.01, 9.01Results of operations · Reg FD disclosureAug 5, 2026
    EDGAR ↗
  • 8-K · Items 7.01, 8.01, 9.01Reg FD disclosure · Other eventsJul 1, 2026
    EDGAR ↗
  • 8-K · Items 7.01, 9.01Reg FD disclosureJun 16, 2026
    EDGAR ↗
  • 8-K · Items 3.02, 5.03, 5.07, 9.01Unregistered sale of equity · Bylaw amendment · Shareholder voteMay 26, 2026
    EDGAR ↗
  • 8-K · Items 1.01, 9.01Material agreementMay 19, 2026
    EDGAR ↗
  • 8-K · Items 8.01Other eventsMay 5, 2026
    EDGAR ↗
  • 8-K · Items 2.02, 7.01, 9.01Results of operations · Reg FD disclosureMay 4, 2026
    EDGAR ↗

About Transocean Ltd.

From SEC EDGAR company records
Industry (SIC 1381)Drilling Oil & Gas Wells
SectorEnergy
HeadquartersSTEINHAUSEN, Switzerland
IncorporatedV8