Transocean Ltd. (RIG) has 20 known insider and institutional holders on record. The largest holder is Perestroika (Cyprus) Ltd with 96,574,894 shares. Other notable holders include Mohn Frederik Wilhelm and Perestroika.
Over the last 12 months, insiders have made 61 transactions in RIG stock — 31 buys (valued at $57.16M) and 15 sells (valued at $5.18M). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
RIG Insider Ownership
Top Holder
Perestroika (Cyprus) Ltd
96,574,894 shares
Buys (12 mo)
31
$57.16M value
Sells (12 mo)
15
$5.18M value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Perestroika (cyprus) Ltd |
Director |
96,574,894 |
2025-11-25 |
|
| 2 |
Mohn Frederik Wilhelm |
Director |
96,574,894 |
2025-11-25 |
|
| 3 |
Perestroika |
Director |
96,574,894 |
2025-11-25 |
|
| 4 |
Thigpen Jeremy D |
Executive Chair |
2,442,643 |
2026-03-03 |
|
| 5 |
Mey Mark-anthony Lovell |
EVP & CFO |
1,529,236 |
2024-03-05 |
|
| 6 |
Davis Howard E |
EVP, CAO & CIO |
1,374,268 |
2024-03-05 |
|
| 7 |
Adamson Keelan |
President and CEO |
1,368,942 |
2026-03-03 |
|
| 8 |
Long Brady K |
EVP & Chief Legal Officer |
1,160,388 |
2026-03-03 |
|
| 9 |
Tonnel David A |
SVP - Chief Accounting Officer |
688,220 |
2024-03-05 |
|
| 10 |
Vayda Robert Thaddeus |
EVP, Chief Financial Officer |
276,924 |
2026-03-03 |
|
| 11 |
Mackenzie Roderick James |
EVP, Chief Commercial Officer |
268,025 |
2026-03-05 |
|
| 12 |
Pack Jason |
SVP, Chief Accounting Officer |
235,630 |
2026-03-03 |
|
| 13 |
Stobart John B |
EVP & COO |
167,825 |
2018-03-05 |
|
| 14 |
Newman Steven L |
President & CEO |
109,027 |
2014-12-02 |
|
| 15 |
Tan Ek Kia |
Director |
98,182 |
2020-05-12 |
|
| 16 |
Miller Merrill A Jr |
Director |
86,185 |
2019-05-15 |
|
| 17 |
Barker Glyn Anthony |
Director |
82,353 |
2025-06-02 |
|
| 18 |
Chang Vanessa C L |
Director |
82,353 |
2025-06-02 |
|
| 19 |
Merksamer Samuel J. |
Director |
82,353 |
2025-06-02 |
|
| 20 |
Dell'osso Domenic J Jr |
Director |
82,353 |
2025-06-02 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-03-04 |
Mackenzie Roderick James |
EVP, Chief Commercial Officer |
Informative Sell |
78,370 |
$6.36 |
$498.43K |
| 2026-03-03 |
Mackenzie Roderick James |
EVP, Chief Commercial Officer |
Tax Withholding of RSU |
62,886 |
$6.12 |
$384.86K |
| 2026-03-01 |
Mackenzie Roderick James |
EVP, Chief Commercial Officer |
Option Exercise |
34,924 |
$6.25 |
$218.28K |
| 2026-03-03 |
Pack Jason |
SVP, Chief Accounting Officer |
Tax Withholding of RSU |
27,962 |
$6.12 |
$171.13K |
| 2026-03-01 |
Pack Jason |
SVP, Chief Accounting Officer |
Option Exercise |
15,134 |
$6.25 |
$94.59K |
| 2026-03-03 |
Vayda Robert Thaddeus |
EVP, Chief Financial Officer |
Tax Withholding of RSU |
62,970 |
$6.12 |
$385.38K |
| 2026-03-01 |
Vayda Robert Thaddeus |
EVP, Chief Financial Officer |
Option Exercise |
17,991 |
$6.25 |
$112.44K |
| 2026-03-03 |
Adamson Keelan |
President and CEO |
Tax Withholding of RSU |
127,878 |
$6.12 |
$782.61K |
| 2026-03-01 |
Adamson Keelan |
President and CEO |
Option Exercise |
67,731 |
$6.25 |
$423.32K |
| 2026-03-03 |
Long Brady K |
EVP & Chief Legal Officer |
Tax Withholding of RSU |
87,689 |
$6.12 |
$536.66K |
| 2026-03-01 |
Long Brady K |
EVP & Chief Legal Officer |
Option Exercise |
52,778 |
$6.25 |
$329.86K |
| 2026-03-03 |
Thigpen Jeremy D |
Executive Chair |
Tax Withholding of RSU |
245,556 |
$6.12 |
$1.5M |
| 2026-03-01 |
Thigpen Jeremy D |
Executive Chair |
Option Exercise |
193,518 |
$6.25 |
$1.21M |
| 2026-02-06 |
Mackenzie Roderick James |
EVP, Chief Commercial Officer |
Tax Withholding of RSU |
26,665 |
$4.99 |
$133.06K |
| 2026-02-05 |
Mackenzie Roderick James |
EVP, Chief Commercial Officer |
RSU Award |
204,939 |
- |
- |
| 2026-02-06 |
Pack Jason |
SVP, Chief Accounting Officer |
Tax Withholding of RSU |
11,557 |
$4.99 |
$57.67K |
| 2026-02-05 |
Pack Jason |
SVP, Chief Accounting Officer |
RSU Award |
76,629 |
- |
- |
| 2026-02-06 |
Vayda Robert Thaddeus |
EVP, Chief Financial Officer |
Tax Withholding of RSU |
10,947 |
$4.99 |
$54.63K |
| 2026-02-05 |
Vayda Robert Thaddeus |
EVP, Chief Financial Officer |
RSU Award |
239,740 |
- |
- |
| 2026-02-06 |
Adamson Keelan |
President and CEO |
Tax Withholding of RSU |
51,709 |
$4.99 |
$258.03K |
| 2026-02-05 |
Adamson Keelan |
President and CEO |
RSU Award |
712,831 |
- |
- |
| 2026-02-06 |
Long Brady K |
EVP & Chief Legal Officer |
Tax Withholding of RSU |
40,294 |
$4.99 |
$201.07K |
| 2026-02-05 |
Long Brady K |
EVP & Chief Legal Officer |
RSU Award |
233,290 |
- |
- |
| 2026-02-06 |
Thigpen Jeremy D |
Executive Chair |
Tax Withholding of RSU |
147,729 |
$4.99 |
$737.17K |
| 2026-02-05 |
Thigpen Jeremy D |
Executive Chair |
RSU Award |
407,332 |
- |
- |
