Key facts
- This page summarizes Vanessa C. L. Chang's Form 4 filing for Transocean Ltd. (RIG).
- 1 reported transaction and 0 derivative rows are listed below.
- Accepted by SEC: 02 May 2025, 16:18.
Vanessa C. L. Chang - 30 Apr 2025 Form 4 Insider Report for Transocean Ltd. (RIG)
- Reporting relationship
- Director
- Issuer ticker
- RIG
- Reported as of
- 30 Apr 2025
- Net transaction value
- +$21,400
- SEC form
- 4
- Accepted by SEC
- 02 May 2025, 16:18:57 UTC
- Prior SEC filing
- 17 May 2024
- Next SEC filing
- 02 Jun 2025
- Source filing
- View source filing
- Reporting owner signature
- /s/ Daniel Ro-Trock by Power of Attorney
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Vanessa C. L. Chang filed Form 4 for Transocean Ltd. (RIG) on 02 May 2025.
Change
- Previous filing in this sequence was filed on 17 May 2024.
- Current net transaction value: +$21,400.
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
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001226487
Primary reporting owner
CHANG VANESSA C L
- Relationship
- Director
- Address
- TURMSTRASSE 30, STEINHAUSEN, SWITZERLAND
- Signature
- /s/ Daniel Ro-Trock by Power of Attorney
- Signature date
- 02 May 2025
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
RIG
transaction
Registered Shares
Purchase
- Transaction value
- $21,400
- Shares
- +10,000
- Change %
- +20%
- Price
- $2.14
- Shares after
- 59,200
- Date
- 30 Apr 2025
- Ownership
- Direct
* marks a reported price that did not pass the local price check.