Based on data from the past 90 days ending December 24, 2025, Transocean's three largest insider shareholders are Director Frederik Wilhelm Mohn (96.57Mn shares), Director (Cyprus) Ltd Perestroika (96.57Mn shares), Executive Chair Jeremy D Thigpen (2.14Mn shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Frederik Wilhelm Mohn | 96,574,894 | 25 Nov, 2025 | |
| (Cyprus) Ltd Perestroika | 96,574,894 | 25 Nov, 2025 | |
| Jeremy D Thigpen | Executive Chair | 2,136,223 | 01 Dec, 2025 |
| Mark-Anthony Lovell Mey | EVP & Cfo | 1,595,750 | 05 Mar, 2024 |
| Howard E Davis | EVP And CAO & Cio | 1,427,231 | 05 Mar, 2024 |
| Keelan Adamson | President And CEO | 1,303,715 | 08 Dec, 2025 |
| Brady K Long | EVP & Chief Legal Officer | 1,161,409 | 28 Oct, 2025 |
| David A Tonnel | SVP Chief Accounting Officer | 727,088 | 05 Mar, 2024 |
| Robert Thaddeus Vayda | EVP And Chief Financial Officer | 235,154 | 01 Dec, 2025 |
| Roderick James Mackenzie | EVP And Chief Commercial Officer | 212,072 | 05 Dec, 2025 |
| Jason Pack | SVP And Chief Accounting Officer | 202,842 | 02 Jun, 2025 |
| Chad C Deaton | 141,000 | 06 Mar, 2023 | |
| Vanessa C L Chang | 69,200 | 02 May, 2025 | |
| Saint Victor Diane De | 10,000 | 23 Jun, 2021 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 04 Dec, 2025 | Keelan Adamson | Registered Shares | D | 8,469 | $4.50 | 1,361,683 | D | S |
| 05 Dec, 2025 | Keelan Adamson | Registered Shares | D | 57,968 | $4.50 | 1,303,715 | D | S |
| 03 Dec, 2025 | Roderick James Mackenzie | Registered Shares | D | 35,000 | $4.48 | 212,072 | D | S |
| 26 Nov, 2025 | Robert Thaddeus Vayda | Registered Shares | D | 30,000 | $4.29 | 235,154 | D | S |
| 26 Nov, 2025 | Jeremy D Thigpen | Registered Shares | D | 500,000 | $4.32 | 2,136,223 | D | S |
| 24 Nov, 2025 | Frederik Wilhelm Mohn | Registered Shares | A | 1,500,000 | $4.02 | 96,574,894 | I | P |
| 24 Nov, 2025 | Registered Shares | A | 1,500,000 | $4.02 | 96,574,894 | I | P | |
| 24 Nov, 2025 | (Cyprus) Ltd Perestroika | Registered Shares | A | 1,500,000 | $4.02 | 96,574,894 | D | P |
| 31 Oct, 2025 | Roderick James Mackenzie | Registered Shares | D | 53,769 | $3.86 | 247,072 | D | S |
| 24 Oct, 2025 | Keelan Adamson | Registered Shares | D | 40,942 | $4.00 | 1,370,152 | D | S |
| 24 Oct, 2025 | Brady K Long | Registered Shares | D | 97,090 | $4.00 | 1,161,409 | D | S |
| 26 Sep, 2025 | Frederik Wilhelm Mohn | Registered Shares | A | 4,000,000 | $3.05 | 95,074,894 | I | P |
| 26 Sep, 2025 | (Cyprus) Ltd Perestroika | Registered Shares | A | 4,000,000 | $3.05 | 95,074,894 | D | P |
| 26 Sep, 2025 | Registered Shares | A | 4,000,000 | $3.05 | 95,074,894 | I | P | |
| 13 Jun, 2025 | Roderick James Mackenzie | Registered Shares | D | 40,000 | $3.26 | 300,841 | D | S |
| 29 May, 2025 | Jason Pack | Registered Shares | A | 2,901 | $2.57 | 204,001 | D | M |
| 29 May, 2025 | Jason Pack | - | - | 204,001 | D | |||
| 29 May, 2025 | Robert Thaddeus Vayda | Registered Shares | A | 21,879 | $2.57 | 273,869 | D | M |
| 30 May, 2025 | Jason Pack | - | - | 202,842 | D | |||
| 30 May, 2025 | Jason Pack | Registered Shares | D | 1,159 | $2.57 | 202,842 | D | F |