Filings (90d)
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Vanessa C. L. Chang files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Frederik Wilhelm Mohn - $6.03M in RIG purchases and sales in the last 12 months
- Perestroika (Cyprus) Ltd - $6.03M in RIG purchases and sales in the last 12 months
- Perestroika - $6.03M in RIG purchases and sales in the last 12 months
- Jeremy D. Thigpen - $2.16M in RIG purchases and sales in the last 12 months
- Brady K. Long - $1.57M in RIG purchases and sales in the last 12 months
- Roderick James Mackenzie - $863K in RIG purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Frequently asked questions
Who is Vanessa C. L. Chang?
Vanessa C. L. Chang is a corporate insider of Transocean Ltd. (RIG). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Vanessa C. L. Chang last file a Form 4?
The most recent primary Form 4 on record is dated 27 May 2026, one of 3 filings going back to 2025.
Has Vanessa C. L. Chang been buying or selling stock?
Recorded transactions: 1 open-market purchase ($21K) and 0 open-market sales across all tracked filings.
