Updated Jul 16, 2026 · Last SEC filing 2026-07-07
Transocean Ltd. (RIG) has filed 12 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-07. 6 Form 8-K material event filings were reported by RIG in the last 90 days. 1 Form 144 notices of proposed sale were filed for RIG stock. InsiderAlpha tracks every RIG SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SEC CIK | 0001451505 |
|---|
| Form 4 filings (90d) | 12 |
|---|---|
| Form 8-K filings (90d) | 6 |
| Form 144 notices (90d) | 1 |
| Latest Form 4 filing | 2026-07-07 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| DEATON CHAD C | Insider | P — Open-market purchase | 35.0K | $4.95 | $173K | SEC | |
| Lacey William F. | Insider | F — Tax withholding / forfeiture | 20.9K | $6.70 | $140K | SEC | |
| Mohn Frederik Wilhelm | Insider | F — Tax withholding / forfeiture | 25.6K | $6.70 | $171K | SEC | |
| DEATON CHAD C | Insider | F — Tax withholding / forfeiture | 20.9K | $6.70 | $140K | SEC | |
| Lacey William F. | Insider | M — Option exercise | 82.4K | $6.81 | $561K | SEC | |
| DEATON CHAD C | Insider | M — Option exercise | 82.4K | $6.81 | $561K | SEC | |
| Mohn Frederik Wilhelm | Insider | M — Option exercise | 82.4K | $6.81 | $561K | SEC | |
| Long Brady K | EVP & Chief Legal Officer | S — Open-market sale | 81.7K | $7.45 | $609K | SEC | |
| Adamson Keelan | PRESIDENT AND CEO | F — Tax withholding / forfeiture | 71.6K | $6.82 | $488K | SEC | |
| Adamson Keelan | PRESIDENT AND CEO | M — Option exercise | 180.9K | $0.00 | — | SEC | |
| Mackenzie Roderick James | EVP, Chief Commercial Officer | S — Open-market sale | 78.4K | $6.36 | $498K | SEC | |
| Vayda Robert Thaddeus | EVP, Chief Financial Officer | F — Tax withholding / forfeiture | 63.0K | $6.12 | $385K | SEC | |
| Mackenzie Roderick James | EVP, Chief Commercial Officer | F — Tax withholding / forfeiture | 62.9K | $6.12 | $385K | SEC | |
| Adamson Keelan | PRESIDENT AND CEO | F — Tax withholding / forfeiture | 127.9K | $6.12 | $783K | SEC | |
| Long Brady K | EVP & Chief Legal Officer | F — Tax withholding / forfeiture | 87.7K | $6.12 | $537K | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for Transocean Ltd. (RIG). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| DEATON CHAD C | 4 | $874K |
| Lacey William F. | 3 | $701K |
| Mohn Frederik Wilhelm | 3 | $732K |
| Adamson Keelan | 2 | $488K |
| DELL'OSSO DOMENIC J JR | 1 | — |
Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in RIG insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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