RIG insider buying – Transocean Ltd.
34 insider purchases since 2016 worth $134.2M by 8 different insiders. Last 12 months: 2 purchases, $6.2M. Most recent filing: 2026-07-07.
Same time range as the chart above - each mark sits under the week of the trade. Circles = purchases (height = price paid, size = amount), red triangles = open-market sales of $50k+. Prices as reported, not adjusted for later stock splits. 15 older purchases (before the 5-year window) are listed in the table below.
Purchases are open-market buys (SEC Form 4, code "P") - insiders paying with their own money. Sales are open-market sales (code "S") of $50,000 or more; many sales are pre-planned (Rule 10b5-1) or made for taxes and diversification. Each row links to the original filing.
Bought, sold, still holding?
| Insider | Bought | First / last buy | Sold since 2016 | Holds now* | Status |
|---|---|---|---|---|---|
| Mohn Frederik Wilhelm Director | $106.3M 10× · 21,400,000 sh | 2018-03-01 2024-09-12 | – | 96,653,798 shares as of 2026-05-27 | Holds - never sold |
| Perestroika Director | $25.7M 3× · 7,500,000 sh | 2022-05-13 2025-11-24 | – | 96,574,894 shares as of 2025-11-25 | Holds - never sold |
| DAVIS HOWARD E Officer | $915,411 2× · 138,049 sh | 2017-08-17 2019-06-28 | 3× · $1.1M last 2019-06-28 | 1,529,840 shares as of 2024-03-05 | Holds (sold earlier) |
| DEATON CHAD C Director | $855,250 5× · 175,000 sh | 2019-08-02 2026-07-02 | – | 237,421 shares as of 2026-07-07 | Holds - never sold |
| CHANG VANESSA C L Director | $249,154 10× · 62,500 sh | 2017-08-17 2025-04-30 | – | 59,200 shares as of 2025-05-02 | Holds - never sold |
| INTRIERI VINCENT J Director | $179,700 2× · 20,000 sh | 2018-08-16 2019-05-07 | – | 20,000 shares as of 2019-05-08 | Holds - never sold |
| de Saint Victor Diane Director | $41,800 1× · 10,000 sh | 2021-06-22 2021-06-22 | – | 10,000 shares as of 2021-06-23 | Holds - never sold |
| MULLER EDWARD R Director | $10,260 1× · 6,000 sh | 2020-03-09 2020-03-09 | – | 12,687 shares as of 2020-03-11 | Holds - never sold |
* Shares held after the insider's most recent SEC filing for this company (all share classes, direct and indirect). If an insider stops filing, later changes are not known.
Insider buying and selling by year
| Year | Purchases | Bought | Buyers | Sales | Sold |
|---|---|---|---|---|---|
| 2026 | 1 | $173,250 | 1 | 4 | $2.1M |
| 2025 | 3 | $18.3M | 2 | 12 | $3.9M |
| 2024 | 4 | $33.6M | 1 | 3 | $335,903 |
| 2023 | 1 | $222,000 | 1 | 10 | $5.6M |
| 2022 | 4 | $7.8M | 3 | 1 | $1.7M |
| 2021 | 6 | $54.2M | 2 | – | – |
| 2020 | 4 | $168,640 | 3 | – | – |
| 2019 | 6 | $884,482 | 4 | 2 | $772,853 |
| 2018 | 3 | $18.7M | 3 | 4 | $654,186 |
| 2017 | 2 | $307,920 | 2 | 1 | $106,596 |
Insider purchases
| Filed | Insider | Role | Shares | Avg price | Value | Holdings | Filing |
|---|---|---|---|---|---|---|---|
| 2026-07-07 | DEATON CHAD C | Director | 35,000 | $4.95 | $173,250 | +17.3% | SEC |
| 2025-11-25 | Perestroika | Director | 1,500,000 | $4.02 | $6.0M | +1.6% | SEC |
| 2025-09-30 | Perestroika | Director | 4,000,000 | $3.05 | $12.2M | +4.4% | SEC |
| 2025-05-02 | CHANG VANESSA C L | Director | 10,000 | $2.14 | $21,400 | +20.3% | SEC |
| 2024-09-13 | Mohn Frederik Wilhelm | Director | 1,500,000 | $4.13 | $6.2M | +1.7% | SEC |
| 2024-08-05 | Mohn Frederik Wilhelm | Director | 2,000,000 | $5.23 | $10.5M | +2.3% | SEC |
| 2024-05-17 | Mohn Frederik Wilhelm | Director | 2,000,000 | $6.01 | $12.0M | +2.3% | SEC |
| 2024-02-29 | Mohn Frederik Wilhelm | Director | 1,000,000 | $4.89 | $4.9M | +1.2% | SEC |
| 2023-03-06 | DEATON CHAD C | Director | 30,000 | $7.40 | $222,000 | +27.0% | SEC |
| 2022-11-14 | DEATON CHAD C | Director | 50,000 | $4.07 | $203,500 | +82.0% | SEC |
| 2022-06-27 | CHANG VANESSA C L | Director | 12,300 | $3.21 | $39,483 | +33.3% | SEC |
| 2022-05-17 | Perestroika | Director | 2,000,000 | $3.75 | $7.5M | +2.5% | SEC |
| 2022-05-13 | CHANG VANESSA C L | Director | 10,000 | $3.49 | $34,900 | SEC | |
| 2021-06-28 | Mohn Frederik Wilhelm | Director | 1,000,000 | $4.53 | $4.5M | +1.3% | SEC |
| 2021-06-25 | Mohn Frederik Wilhelm | Director | 2,000,000 | $4.46 | $8.9M | +2.6% | SEC |
| 2021-06-23 | de Saint Victor Diane | Director | 10,000 | $4.18 | $41,800 | SEC | |
| 2021-06-23 | Mohn Frederik Wilhelm | Director | 2,000,000 | $4.14 | $8.3M | +2.6% | SEC |
| 2021-06-21 | Mohn Frederik Wilhelm | Director | 2,900,000 | $3.96 | $11.5M | +4.0% | SEC |
| 2021-06-17 | Mohn Frederik Wilhelm | Director | 5,000,000 | $4.18 | $20.9M | +7.4% | SEC |
| 2020-03-09 | MULLER EDWARD R | Director | 6,000 | $1.71 | $10,260 | +90.3% | SEC |
| 2020-03-09 | CHANG VANESSA C L | Director | 5,000 | $2.83 | $14,150 | +18.6% | SEC |
| 2020-02-27 | DEATON CHAD C | Director | 35,000 | $3.55 | $124,250 | +134.6% | SEC |
| 2020-02-27 | CHANG VANESSA C L | Director | 5,400 | $3.70 | $19,980 | +25.1% | SEC |
| 2019-08-15 | CHANG VANESSA C L | Director | 4,000 | $4.00 | $16,000 | +22.9% | SEC |
| 2019-08-14 | CHANG VANESSA C L | Director | 3,500 | $4.19 | $14,665 | +25.0% | SEC |
| 2019-08-05 | DEATON CHAD C | Director | 25,000 | $5.29 | $132,250 | SEC | |
| 2019-07-01 | DAVIS HOWARD E | Officer | 98,049 | $6.35 | $622,611 | +490.2% | SEC |
| 2019-06-10 | CHANG VANESSA C L | Director | 4,300 | $5.92 | $25,456 | +44.3% | SEC |
| 2019-05-08 | INTRIERI VINCENT J | Director | 10,000 | $7.35 | $73,500 | +100.0% | SEC |
| 2018-12-12 | CHANG VANESSA C L | Director | 6,000 | $8.00 | $48,000 | +162.2% | SEC |
| 2018-08-17 | INTRIERI VINCENT J | Director | 10,000 | $10.62 | $106,200 | SEC | |
| 2018-03-05 | Mohn Frederik Wilhelm | Director | 2,000,000 | $9.29 | $18.6M | +6.4% | SEC |
| 2017-08-21 | DAVIS HOWARD E | Officer | 40,000 | $7.32 | $292,800 | SEC | |
| 2017-08-21 | CHANG VANESSA C L | Director | 2,000 | $7.56 | $15,120 | +4.2% | SEC |
Insider sales
| Filed | Insider | Role | Shares | Avg price | Value | Type | Filing |
|---|---|---|---|---|---|---|---|
| 2026-05-22 | Long Brady K | Officer | 81,741 | $7.45 | $608,970 | Sale | SEC |
| 2026-03-05 | Mackenzie Roderick James | Officer | 78,370 | $6.36 | $498,433 | Sale | SEC |
| 2026-01-28 | Long Brady K | Officer | 115,378 | $5.00 | $576,890 | Pre-planned (10b5-1) | SEC |
| 2026-01-28 | Adamson Keelan | CEO | 81,533 | $5.00 | $407,665 | Pre-planned (10b5-1) | SEC |
| 2025-12-08 | Adamson Keelan | CEO | 66,437 | $4.50 | $298,966 | Pre-planned (10b5-1) | SEC |
| 2025-12-05 | Mackenzie Roderick James | Officer | 35,000 | $4.48 | $156,800 | Sale | SEC |
| 2025-12-01 | Vayda Robert Thaddeus | CFO | 30,000 | $4.29 | $128,700 | Sale | SEC |
| 2025-12-01 | THIGPEN JEREMY D | Officer | 500,000 | $4.32 | $2.2M | Sale | SEC |
| 2025-11-04 | Mackenzie Roderick James | Officer | 53,769 | $3.86 | $207,548 | Sale | SEC |
| 2025-10-28 | Long Brady K | Officer | 97,090 | $4.00 | $388,360 | Pre-planned (10b5-1) | SEC |
| 2025-10-28 | Adamson Keelan | CEO | 40,942 | $4.00 | $163,768 | Pre-planned (10b5-1) | SEC |
| 2025-06-16 | Mackenzie Roderick James | Officer | 40,000 | $3.26 | $130,400 | Sale | SEC |
| 2025-05-12 | Mackenzie Roderick James | Officer | 22,000 | $2.78 | $61,160 | Pre-planned (10b5-1) | SEC |
| 2025-03-12 | Mackenzie Roderick James | Officer | 22,000 | $2.94 | $64,680 | Pre-planned (10b5-1) | SEC |
| 2025-02-13 | Mackenzie Roderick James | Officer | 22,000 | $3.85 | $84,700 | Pre-planned (10b5-1) | SEC |
Showing the latest 15 of 37 sales of $50,000+ since 2016.
Compiled automatically from public SEC filings. Not investment advice. Get every new insider purchase in the daily report.
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