Charles C. Chang
Senior Vice President and Chief Financial Officer · BERKSHIRE HATHAWAY INC
- 2026
- Aug 13, 2026
- 1
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Charles C. 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.
- Ajit Jain - $19.97M in BRK.A purchases and sales in the last 12 months
- Gregory E. Abel - $15.31M in BRK.A purchases and sales in the last 12 months
- Michael J. O'Sullivan - $501K in BRK.A purchases and sales in the last 12 months
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Frequently asked questions
Who is Charles C. Chang?
Charles C. Chang is a corporate insider, tracked as Senior Vice President and Chief Financial Officer of BERKSHIRE HATHAWAY INC (BRK.A). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Charles C. Chang submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Charles C. Chang been buying or selling stock?
Recorded transactions: 2 open-market purchases ($1.53M) and 0 open-market sales across all tracked filings.