Adamson Keelan 4

4 · Transocean Ltd. · Filed Mar 3, 2026

Form 4

Period: 2026-03-01

DirectorPRESIDENT AND CEO

Transactions

Exercise/Conversion
Registered Shares
[F1]
2026-03-01$6.25/sh+67,731$423,319→ 1,368,942 total
Exercise/Conversion
Registered Shares
[F2]
2026-03-01$6.25/sh+104,397$652,481→ 1,473,339 total
Exercise/Conversion
Registered Shares
[F3]
2026-03-01$6.25/sh+146,048$912,800→ 1,619,387 total
Tax Payment
Registered Shares
[F4]
2026-03-03$6.12/sh−127,878$782,613→ 1,491,509 total

Footnotes (4)

[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.

Signature

/s/ Debra Kupferman by Power of Attorney|2026-03-03

Documents

1 file