Keelan Adamson - 01 Mar 2026 Form 4 Insider Report for Transocean Ltd. (RIG)

Signature
/s/ Debra Kupferman by Power of Attorney
Issuer symbol
RIG
Transactions as of
01 Mar 2026
Net transactions value
+$1,205,987
Form type
4
Filing time
03 Mar 2026, 21:34:06 UTC
Previous filing
09 Feb 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Adamson Keelan PRESIDENT AND CEO, Director 1414 ENCLAVE PARKWAY, HOUSTON /s/ Debra Kupferman by Power of Attorney 03 Mar 2026 0001750415

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction RIG Registered Shares Options Exercise $423,319 +67,731 +5.2% $6.25 1,368,942 01 Mar 2026 Direct F1
transaction RIG Registered Shares Options Exercise $652,481 +104,397 +7.6% $6.25 1,473,339 01 Mar 2026 Direct F2
transaction RIG Registered Shares Options Exercise $912,800 +146,048 +9.9% $6.25 1,619,387 01 Mar 2026 Direct F3
transaction RIG Registered Shares Tax liability $782,613 -127,878 -7.9% $6.12 1,491,509 03 Mar 2026 Direct F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Restricted Units, which are 1-for-1 share equivalents, acquired on February 9, 2023, pursuant to the Issuer's long-term incentive plan. One third of such restricted units vested on March 1, 2026, resulting in the right of the reporting person to receive the registered shares.
F2 Restricted Units, which are 1-for-1 share equivalents, acquired on February 8, 2024, pursuant to the Issuer's long-term incentive plan. One third of such restricted units vested on March 1, 2026, resulting in the right of the reporting person to receive the registered shares. The remaining share units vest as follows: 104,397 on March 1, 2027.
F3 Restricted Units, which are 1-for-1 share equivalents, acquired on February 13, 2025, pursuant to the Issuer's long-term incentive plan. One third of such restricted units vested on March 1, 2026, resulting in the right to of the reporting person to receive the registered shares. The remaining restricted share units vest as follows: 146,048 on March 1, 2027 and 146,048 on March 1, 2028.
F4 Shares sold upon vesting to satisfy tax withholding obligations.