Insider txns (12m)
16
Stock / equity
RIG Transocean Ltd.
- Company
- Transocean Ltd.
- Security
- Equity
- Size, estimated from filings
- Mid cap ($2B – $10B)
- Insiders on record
- 9
- Members of Congress
- 1
- Latest trade on record
- September 14, 2026
RIG (Transocean Ltd.) has 16 disclosed insider transactions from 9 insiders in the last 12 months (1 open-market buy, 3 sales, about $2.3M at reported prices) and 1 congressional trade from 1 member of Congress. The most recent disclosure was filed October 12, 2026.
Open-market buys / sales
1 / 3
Congress trades (12m)
1
Distinct filers (12m)
10
Share price
Price and chart by TradingView for Transocean Ltd.. US share prices here are delayed, not real-time. The trade records on this page come from government filings, not from this chart.
RIG in charts
Who is trading this stock
Which people account for the buying and selling over the last 12 months?
BoughtSold
4 people account for the disclosed buying and selling in RIG over the last 12 months; the most active is DEATON CHAD C with $313K.
Insider holdings over time
Is an insider building or unwinding a position? Shares held directly after each filing.
DEATON CHAD C
DEATON CHAD C reported 237,421 shares held after the latest filing, against 202,421 at the first on record.
Insiders trading RIG
Everyone who filed a Form 4 for this ticker, by number of rows on record. "Bought" and "sold" count open-market purchases (code P) and sales only; awards, option exercises and shares withheld for tax are in the row count but not in those two columns.
| Insider | Role | Rows | Bought | Sold | Value bought | Value sold | Latest |
|---|---|---|---|---|---|---|---|
| DEATON CHAD C | Director | 4 | 1 | 1 | $173K | $140K | July 2, 2026 |
| Lacey William F. | Director | 3 | 0 | 1 | — | $140K | May 26, 2026 |
| Mohn Frederik Wilhelm | Director | 3 | 0 | 1 | — | $171K | May 26, 2026 |
| Barker Glyn Anthony | Director | 1 | 0 | 0 | — | — | May 22, 2026 |
| CHANG VANESSA C L | Director | 1 | 0 | 0 | — | — | May 22, 2026 |
| Curado Frederico F. | Director | 1 | 0 | 0 | — | — | May 22, 2026 |
| DELL'OSSO DOMENIC J JR | President & CEO | 1 | 0 | 0 | — | — | May 22, 2026 |
| INTRIERI VINCENT J | Director | 1 | 0 | 0 | — | — | May 22, 2026 |
| MERKSAMER SAMUEL J. | Director | 1 | 0 | 0 | — | — | May 22, 2026 |
What kind of transactions these are 4 Form 4 codes
| Code | Meaning | Rows | Shares | Value at reported prices |
|---|---|---|---|---|
| A | Grant or award | 9 | 273,915 | — |
| F | Shares withheld for tax | 3 | 67,463 | $452K |
| M | Option exercise or conversion | 3 | 247,059 | $1.7M |
| P | Open-market purchase | 1 | 35,000 | $173K |
What each code means: Form 4 transaction codes.
Members of Congress trading RIG
Members whose periodic transaction reports name this ticker. Amounts are the sums of the ranges as filed.
| Member | Seat | Trades | Bought | Sold | Range as filed | Latest |
|---|---|---|---|---|---|---|
| Lisa C. McClain | Representative (MI, District 9), Republican | 1 | 1 | 0 | $15K–$50K | September 14, 2026 |
Insider transactions
| Filer | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|
| DEATON CHAD C | Buy P | July 2, 2026 | July 7, 2026 | 5d | 35,000 | $5 | $173K | late | Form 4 ↗ | |
| MERKSAMER SAMUEL J. | Other A | May 22, 2026 | May 27, 2026 | 5d | 30,435 | — | — | latederivative | Form 4 ↗ | |
| Barker Glyn Anthony | Other A | May 22, 2026 | May 27, 2026 | 5d | 30,435 | — | — | latederivative | Form 4 ↗ | |
| Curado Frederico F. | Other A | May 22, 2026 | May 27, 2026 | 5d | 30,435 | — | — | latederivative | Form 4 ↗ | |
| DELL'OSSO DOMENIC J JR | Other A | May 22, 2026 | May 27, 2026 | 5d | 30,435 | — | — | latederivative | Form 4 ↗ | |
| INTRIERI VINCENT J | Other A | May 22, 2026 | May 27, 2026 | 5d | 30,435 | — | — | latederivative | Form 4 ↗ | |
| CHANG VANESSA C L | Other A | May 22, 2026 | May 27, 2026 | 5d | 30,435 | — | — | latederivative | Form 4 ↗ | |
| Mohn Frederik Wilhelm | Other A | May 22, 2026 | May 27, 2026 | 5d | 30,435 | — | — | latederivative | Form 4 ↗ | |
| Mohn Frederik Wilhelm | Sell F | May 26, 2026 | May 27, 2026 | 1d | 25,597 | $7 | $171K | Form 4 ↗ | ||
| Mohn Frederik Wilhelm | Option / conversion M | May 22, 2026 | May 27, 2026 | 5d | 82,353 | $7 | $561K | late | Form 4 ↗ | |
| DEATON CHAD C | Other A | May 22, 2026 | May 27, 2026 | 5d | 30,435 | — | — | latederivative | Form 4 ↗ | |
| DEATON CHAD C | Sell F | May 26, 2026 | May 27, 2026 | 1d | 20,932 | $7 | $140K | Form 4 ↗ | ||
| DEATON CHAD C | Option / conversion M | May 22, 2026 | May 27, 2026 | 5d | 82,353 | $7 | $561K | late | Form 4 ↗ | |
| Lacey William F. | Other A | May 22, 2026 | May 27, 2026 | 5d | 30,435 | — | — | latederivative | Form 4 ↗ | |
| Lacey William F. | Sell F | May 26, 2026 | May 27, 2026 | 1d | 20,934 | $7 | $140K | Form 4 ↗ | ||
| Lacey William F. | Option / conversion M | May 22, 2026 | May 27, 2026 | 5d | 82,353 | $7 | $561K | late | Form 4 ↗ |
Congressional trades
| Filer | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|
| Lisa C. McClain | Buy | September 14, 2026 | October 12, 2026 | 28d | — | — | $15K–$50K | spouse | House PTR ↗ |
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Guides for this page
- What is SEC Form 4? Who files: officers, directors and owners of more than 10% of a class of the company's shares.
- Form 4 transaction codes P = purchase. S = sale. These are the two market trades.
- Insider buying vs insider selling Selling outweighs buying by a wide margin in normal times.
- How to read a congressional trade report Owner tells you whose asset it was: the member, the spouse, a dependent child, or held jointly.
- Why congressional trade amounts are ranges There are ten ranges; the lowest is $1,001–$15,000 and the highest is over $50,000,000.
Sources and method
| Source | Filings | Rows | First filed | Newest filed | Read the originals |
|---|---|---|---|---|---|
| House Clerk, periodic transaction reports | 1 | 1 | October 12, 2026 | October 12, 2026 | House Clerk search |
| SEC EDGAR, Form 4 | 10 | 16 | May 27, 2026 | July 7, 2026 | Form 4 list on EDGAR |
Site built October 22, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.
Insider rows are Form 4 filings for this issuer from SEC EDGAR; congressional rows are periodic transaction reports parsed from the House Clerk and the Senate eFD. Values use the reported price for Form 4 and the disclosed range for Congress. See methodology and corrections.
Not investment advice. Disclosures are shown as filed and may lag the trade or be amended. No recommendation is made or implied.