Company / CIK 0001451505
Transocean Ltd.
- Ticker
- RIG
- Size, estimated from filings
- Mid cap ($2B – $10B)
- Insiders on file
- 9
- Members of Congress who traded it
- 1
- Federal contracts on record
- none matched
- Lobbying filings on record
- none matched
- SEC filings
- EDGAR ↗
- Latest trade on record
- September 14, 2026
Transocean Ltd. (RIG) has 9 insiders on file who disclosed 16 transactions in the last 12 months (1 open-market buy, 3 sales, about $2.3M at reported prices), and 1 congressional trade in its stock is on record. No federal contract award that started in the last 180 days was found for a recipient with exactly this name; no lobbying filing names it as client this year.
Transocean Ltd. in charts
Who is trading this stock
Which people account for the buying and selling over the last 12 months?
4 people account for the disclosed buying and selling in Transocean Ltd. over the last 12 months; the most active is DEATON CHAD C with $313K.
Insiders
| Name | Role | Rows | Bought | Sold | Last filed |
|---|---|---|---|---|---|
| DELL'OSSO DOMENIC J JR | President & CEO | 1 | 0 | 0 | August 10, 2026 |
| DEATON CHAD C | Director | 4 | 1 | 1 | July 7, 2026 |
| Lacey William F. | Director | 3 | 0 | 1 | May 27, 2026 |
| Mohn Frederik Wilhelm | Director | 3 | 0 | 1 | May 27, 2026 |
| CHANG VANESSA C L | Director | 1 | 0 | 0 | May 27, 2026 |
| INTRIERI VINCENT J | Director | 1 | 0 | 0 | May 27, 2026 |
| Curado Frederico F. | Director | 1 | 0 | 0 | May 27, 2026 |
| Barker Glyn Anthony | Director | 1 | 0 | 0 | May 27, 2026 |
| MERKSAMER SAMUEL J. | Director | 1 | 0 | 0 | May 27, 2026 |
Rows are this company's Form 4 rows for each person. "Bought" and "sold" count open-market purchases (code P) and sales only. More in insider buying and insider selling.
Members of Congress who traded RIG
From periodic transaction reports that name the company's stock. Amounts are the sums of the ranges as filed. Every row is on the RIG page.
| 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 | Security | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DEATON CHAD C | RIG | Buy P | July 2, 2026 | July 7, 2026 | 5d | 35,000 | $5 | $173K | late | Form 4 ↗ | |
| MERKSAMER SAMUEL J. | RIG | Other A | May 22, 2026 | May 27, 2026 | 5d | 30,435 | — | — | latederivative | Form 4 ↗ | |
| Barker Glyn Anthony | RIG | Other A | May 22, 2026 | May 27, 2026 | 5d | 30,435 | — | — | latederivative | Form 4 ↗ | |
| Curado Frederico F. | RIG | Other A | May 22, 2026 | May 27, 2026 | 5d | 30,435 | — | — | latederivative | Form 4 ↗ | |
| DELL'OSSO DOMENIC J JR | RIG | Other A | May 22, 2026 | May 27, 2026 | 5d | 30,435 | — | — | latederivative | Form 4 ↗ | |
| INTRIERI VINCENT J | RIG | Other A | May 22, 2026 | May 27, 2026 | 5d | 30,435 | — | — | latederivative | Form 4 ↗ | |
| CHANG VANESSA C L | RIG | Other A | May 22, 2026 | May 27, 2026 | 5d | 30,435 | — | — | latederivative | Form 4 ↗ | |
| Mohn Frederik Wilhelm | RIG | Other A | May 22, 2026 | May 27, 2026 | 5d | 30,435 | — | — | latederivative | Form 4 ↗ | |
| Mohn Frederik Wilhelm | RIG | Sell F | May 26, 2026 | May 27, 2026 | 1d | 25,597 | $7 | $171K | Form 4 ↗ | ||
| Mohn Frederik Wilhelm | RIG | Option / conversion M | May 22, 2026 | May 27, 2026 | 5d | 82,353 | $7 | $561K | late | Form 4 ↗ | |
| DEATON CHAD C | RIG | Other A | May 22, 2026 | May 27, 2026 | 5d | 30,435 | — | — | latederivative | Form 4 ↗ | |
| DEATON CHAD C | RIG | Sell F | May 26, 2026 | May 27, 2026 | 1d | 20,932 | $7 | $140K | Form 4 ↗ | ||
| DEATON CHAD C | RIG | Option / conversion M | May 22, 2026 | May 27, 2026 | 5d | 82,353 | $7 | $561K | late | Form 4 ↗ | |
| Lacey William F. | RIG | Other A | May 22, 2026 | May 27, 2026 | 5d | 30,435 | — | — | latederivative | Form 4 ↗ | |
| Lacey William F. | RIG | Sell F | May 26, 2026 | May 27, 2026 | 1d | 20,934 | $7 | $140K | Form 4 ↗ | ||
| Lacey William F. | RIG | Option / conversion M | May 22, 2026 | May 27, 2026 | 5d | 82,353 | $7 | $561K | late | Form 4 ↗ |
Federal contracts (USAspending, awards started in the last 180 days)
No contract award starting in the last 180 days was found for a recipient named exactly "Transocean Ltd.". Subsidiaries and differently-spelled recipients are not matched — search contracts.
Lobbying (Senate LDA, as client)
No LDA filing posted since October 2025 names "Transocean Ltd." as the client. Filings under a subsidiary or trade-association name are not matched — search lobbying.
Related companies
Companies whose stock was traded by the same people who traded RIG, by number of filers in common. It shows overlap in public filings and nothing else.
- UNITED THERAPEUTICS Corp UTHR 1 filer in common
- Dell Technologies Inc. DELL 1 filer in common
- Seagate Technology Holdings plc STX 1 filer in common
- Uber Technologies, Inc UBER 1 filer in common
- Datadog, Inc. DDOG 1 filer in common
- Arista Networks, Inc. ANET 1 filer in common
- Meta Platforms, Inc. META 1 filer in common
- Albertsons Companies, Inc. ACI 1 filer in common
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.
- Insider buying vs insider selling Selling outweighs buying by a wide margin in normal times.
- What disclosure data cannot tell you Filings are late by design: up to 45 days for Congress, two business days for insiders.
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.
Insiders and their transactions come from SEC EDGAR Form 4 filings for this issuer. Contracts and lobbying are matched by exact normalized name (suffixes like Inc./Corp. ignored) to USAspending recipients and LDA clients — a conservative match that misses subsidiaries on purpose. See methodology and corrections.
Not investment advice. Public records shown as filed; no recommendation is made or implied.