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

Reporting relationship: PRESIDENT AND CEO, Director
Issuer ticker: RIG
Reported as of: 01 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 05 May 2026, 16:16:52 UTC
Prior SEC filing: 03 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Debra Kupferman by Power of Attorney

Key filing fact

Keelan Adamson filed Form 4 for Transocean Ltd. (RIG) on 05 May 2026.

Key facts

This page summarizes Keelan Adamson's Form 4 filing for Transocean Ltd. (RIG).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 05 May 2026, 16:16.

Change

Previous filing in this sequence was filed on 03 Mar 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001750415 Primary reporting owner

Adamson Keelan

Relationship: PRESIDENT AND CEO, Director
Address: 1414 ENCLAVE PARKWAY, HOUSTON
Signature: /s/ Debra Kupferman by Power of Attorney
Signature date: 05 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

RIG transaction

Registered Shares

Options Exercise

Transaction value
Shares: +180,931
Change %: +12%
Price: $0.000000^*
Shares after: 1,672,440
Date: 01 May 2026
Ownership: Direct
Footnotes: F1

RIG transaction

Registered Shares

Tax liability

Transaction value
Shares: -71,556
Change %: -4.3%
Price: $6.82^*
Shares after: 1,600,884
Date: 04 May 2026
Ownership: Direct
Footnotes: F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Restricted Units, which are 1-for1 share equivalents, acquired on May 1, 2025, pursuant to the Issuer's long-term incentive plan. One third of such restricted units vested on May 1, 2026, resulting in the right of the reporting person to receive the registered shares. The remaining share units vest as follows: 180,931 on March 1, 2027 and 180,931 on March 1, 2028.

Footnote F2

Shares sold upon vesting to satisfy tax obligations.