Jeremy D. Thigpen - 01 Mar 2026 Form 4 Insider Report for Transocean Ltd. (RIG)

Reporting relationship: Executive Chair, Director
Issuer ticker: RIG
Reported as of: 01 Mar 2026
Net transaction value: +$2,315,816
SEC form: 4
Accepted by SEC: 03 Mar 2026, 21:28:52 UTC
Prior SEC filing: 09 Feb 2026
Next SEC filing: 30 Apr 2026
Source filing: View source filing
Reporting owner signature: /s/ Debra Kupferman by Power of Attorney

Key filing fact

Jeremy D. Thigpen filed Form 4 for Transocean Ltd. (RIG) on 03 Mar 2026.

Key facts

This page summarizes Jeremy D. Thigpen's Form 4 filing for Transocean Ltd. (RIG).
4 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 03 Mar 2026, 21:28.

Change

Previous filing in this sequence was filed on 09 Feb 2026.
Current net transaction value: +$2,315,816.

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 0001240666 Primary reporting owner

THIGPEN JEREMY D

Relationship: Executive Chair, Director
Address: 1414 ENCLAVE PARKWAY, HOUSTON
Signature: /s/ Debra Kupferman by Power of Attorney
Signature date: 03 Mar 2026

Reported non-derivative transactions

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

RIG transaction

Registered Shares

Options Exercise

Transaction value: $1,209,488
Shares: +193,518
Change %: +8.6%
Price: $6.25
Shares after: 2,442,643
Date: 01 Mar 2026
Ownership: Direct
Footnotes: F1, F2

RIG transaction

Registered Shares

Options Exercise

Transaction value: $1,535,250
Shares: +245,640
Change %: +10%
Price: $6.25
Shares after: 2,688,283
Date: 01 Mar 2026
Ownership: Direct
Footnotes: F3

RIG transaction

Registered Shares

Options Exercise

Transaction value: $1,073,881
Shares: +171,821
Change %: +6.4%
Price: $6.25
Shares after: 2,860,104
Date: 01 Mar 2026
Ownership: Direct
Footnotes: F4

RIG transaction

Registered Shares

Tax liability

Transaction value: $1,502,803
Shares: -245,556
Change %: -8.6%
Price: $6.12
Shares after: 2,614,548
Date: 03 Mar 2026
Ownership: Direct
Footnotes: F5

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 5 footnotes

Footnote 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.

Footnote F2

The amount of securities beneficially owned following the reported transaction reflects a prior transfer of shares to the reporting person's former spouse pursuant to a domestic relations order.

Footnote F3

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 restricted share units vest as follows: 245,640 on March 1, 2027.

Footnote F4

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 of the reporting person to receive the registered shares. The remaining restricted share units vest as follows: 171,821 on March 1, 2027 and 171,822 on March 1, 2028.

Footnote F5

Shares sold upon vesting to satisfy tax withholding obligations.