Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Nelson Chai 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.
- Michel Lagarde - $51.31M in TMO purchases and sales in the last 12 months
- Marc N. Casper - $45.26M in TMO purchases and sales in the last 12 months
- Michael D. Shafer - $22.54M in TMO purchases and sales in the last 12 months
- Lisa P. Britt - $16.87M in TMO purchases and sales in the last 12 months
- Timothy Alan Boroughs - $12.62M in CB purchases and sales in the last 12 months
- John J. Lupica - $11.51M in CB purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Frequently asked questions
Who is Nelson Chai?
Nelson Chai is a corporate insider of Chubb Ltd (CB). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Nelson Chai last file a Form 4?
The most recent primary Form 4 on record is dated 26 May 2026, one of 4 filings going back to 2025.