Summary
Latest filing:
Frank L. Muller is Director of California BanCorp \ CA (BCAL). 2 SEC Form 4 filings on record, most recently on 10 September 2026. Most recent open-market trade: bought $10K of BCAL on 10 September 2026. Lifetime open-market purchases: $10K.
Recent Transactions
3Every recent SEC Form 4 transaction Frank L. Muller has reported, most recent first.
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 of BCAL open-market activity in the last 12 months
- David I. Rainer - $1.43M of BCAL open-market activity in the last 12 months
- Richard Hernandez - $325K of BCAL open-market activity in the last 12 months
- Lester Machado - $159K of BCAL open-market activity in the last 12 months
- Jean Carandang - $143K of BCAL open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
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.
Where can I see all of Frank L. Muller's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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