Filings (90d)
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies James Donald Hoffman 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.
- Keith Harvey - $8.75M in KALU purchases and sales in the last 12 months
- John Malcolm Donnan - $2.80M in KALU purchases and sales in the last 12 months
- Brett Wilcox - $2.62M in KALU purchases and sales in the last 12 months
- Neal E. West - $1.48M in KALU purchases and sales in the last 12 months
- Blain Tiffany - $813K in KALU purchases and sales in the last 12 months
- Richard P. Grimley - $261K in KALU purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Frequently asked questions
Who is James Donald Hoffman?
James Donald Hoffman is a corporate insider of KAISER ALUMINUM CORP (KALU). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did James Donald Hoffman last file a Form 4?
The most recent primary Form 4 on record is dated 5 June 2026, one of 2 filings going back to 2025.
