RIG insider buying and SEC filings, explained
Transocean Ltd. · CIK 1451505
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Company profile
- Exchanges
- NYSE
- Industry (SIC)
- Drilling Oil & Gas Wells
- State of incorporation
- V8
- Fiscal year end
- Dec 31
Insider activity in the last 12 months
Bought
$18.3M
Insiders who bought
4
Sold (not marked 10b5-1)
$3.8M
Planned sales (10b5-1)
$1.3M
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Jul 2, 2026 | Purchase (code P) | Chad C. Deaton (Director) bought 35,000 shares at $4.95 ($173K), reported as a purchase (code P). Holdings up 17% to 237,421 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jul 7, 2026 |
| May 21, 2026 | Sale | Brady K Long (EVP & Chief Legal Officer) sold 81,741 shares at about $7.45 ($609K). Holdings down 7% to 1,125,438 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 22, 2026 |
| Mar 4, 2026 | Sale | Roderick James Mackenzie (EVP, Chief Commercial Officer) sold 78,370 shares at $6.36 ($498K). Holdings down 23% to 268,025 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 5, 2026 |
| Jan 26–27, 2026 | Planned (10b5-1) | Keelan Adamson (CEO and Director) sold 81,533 shares between Jan 26 and Jan 27 at about $5.00 ($408K), marked as a 10b5-1 plan trade. Holdings down 6% to 1,222,182 shares. | SEC filing Filed Jan 28, 2026 |
| Jan 26–27, 2026 | Planned (10b5-1) | Brady K Long (EVP & Chief Legal Officer) sold 115,378 shares between Jan 26 and Jan 27 at about $5.00 ($577K), marked as a 10b5-1 plan trade. Holdings down 10% to 1,046,031 shares. | SEC filing Filed Jan 28, 2026 |
| Dec 4–5, 2025 | Planned (10b5-1) | Keelan Adamson (CEO and Director) sold 66,437 shares between Dec 4, 2025 and Dec 5, 2025 at $4.50 ($299K), marked as a 10b5-1 plan trade. Holdings down 5% to 1,303,715 shares. | SEC filing Filed Dec 8, 2025 |
| Dec 3, 2025 | Sale | Roderick James Mackenzie (EVP, Chief Commercial Officer) sold 35,000 shares at $4.48 ($157K). Holdings down 14% to 212,072 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 5, 2025 |
| Nov 26, 2025 | Sale | Robert Thaddeus Vayda (CFO) sold 30,000 shares at $4.29 ($129K). Holdings down 11% to 235,154 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 1, 2025 |
| Nov 26, 2025 | Sale | Jeremy D. Thigpen (Chair and Director) sold 500,000 shares at about $4.32 ($2.2M). Holdings down 19% to 2,136,223 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 1, 2025 |
| Nov 24, 2025 | Purchase (code P) | Perestroika (Cyprus) Ltd (Director) bought 1,500,000 shares at $4.02 ($6.0M), reported as a purchase (code P). Holdings up 2% to 96,574,894 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 25, 2025 |
| Nov 24, 2025 | Purchase (code P) | Frederik Wilhelm Mohn (Director) bought 1,500,000 shares indirectly at $4.02 ($6.0M), reported as a purchase (code P). Indirect holdings up 2% to 96,574,894 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 25, 2025 |
| Nov 24, 2025 | Purchase (code P) | Perestroika (Director) bought 1,500,000 shares indirectly at $4.02 ($6.0M), reported as a purchase (code P). Indirect holdings up 2% to 96,574,894 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 25, 2025 |
| Oct 31, 2025 | Sale | Roderick James Mackenzie (EVP, Chief Commercial Officer) sold 53,769 shares at $3.86 ($208K). Holdings down 18% to 247,072 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 4, 2025 |
22 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
3 insiders bought in 30 days
$18.1M in purchases since Nov 24, 2025 · Purchases traded Nov 24, 2025 to Nov 24, 2025 · Closed
| Insider | Value | Traded | Source |
|---|---|---|---|
| Perestroika (Director) | $6.0M | Nov 24, 2025 | SEC filing |
| Frederik Wilhelm Mohn (Director) | $6.0M | Nov 24, 2025 | SEC filing |
| Perestroika (Cyprus) Ltd (Director) | $6.0M | Nov 24, 2025 | SEC filing |
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
| Filed | Items | Tag | Source |
|---|---|---|---|
| Nov 2, 2026, 4:39 PM ET 8-K | Earnings released (Item 2.02) Reg FD disclosure (Item 7.01) | SEC filing |
Red flags are objective triggers only: the item or form filed, never an opinion.
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