Frank L. Muller
Director · California BanCorp \ CA
IndividualBuying only
- 2026
- Sep 10, 2026
- 2
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Frank L. Muller 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.
- David J. Volk - $44.96M in BCAL purchases and sales in the last 12 months
- David I. Rainer - $1.43M in BCAL purchases and sales in the last 12 months
- Richard Hernandez - $325K in BCAL purchases and sales in the last 12 months
- Lester Machado - $159K in BCAL purchases and sales in the last 12 months
- Jean Carandang - $143K in BCAL purchases and sales in the last 12 months
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Frequently asked questions
Who is Frank L. Muller?
Frank L. Muller is a corporate insider, tracked as Director of California BanCorp \ CA (BCAL). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Frank L. Muller submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Frank L. Muller been buying or selling stock?
Recorded transactions: 1 open-market purchase ($10K) and 0 open-market sales across all tracked filings.
