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SEC EDGARSEP 101 min read

Muller Frank L. purchased $10K of BCAL (indirect holdings)

Muller Frank L. purchased 450 indirectly-held shares of California BanCorp \ CA (BCAL) at $22.13 on 2026-09-04.

Original reporting
SEC EDGAR · Muller Frank L.
Published Sep 10, 2026, 12:07 AM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Sep 10, 2026, 12:35 AM UTC. Informational, not investment advice.
How this was made
AlphAI summarizes source reporting and applies a structured AI analysis for relevance, timing, sentiment and ticker impact. Always verify material claims with the original publisher.
About AlphAI AI DeskScoring methodologyReport an issue
AlphAI market briefInsider activity
Primary signal
MARKET
Neutral
AI market analysis
Mentioned
$BCAL
Relevance
3/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

Low
01

Why it matters

Limited impact due to small transaction size; unlikely to move the stock.

02

Market read

Minor insider purchase with negligible market effect.

03

What to watch

Potential future insider activity or upcoming corporate events not disclosed.

Relevance 3/10Novelty 4/10Timing: post-market filing

Background

SEC Form 4 filing shows Director Frank L. Muller purchased 450 shares of California BanCorp at $22.13 each, totaling $9,958.50.

Market effects

Sector

none

Regional

none

Global

none

Counterpoint

What could challenge this read

The small insider purchase may signal confidence but size is too trivial to affect price.

Key entities

  • company
    California BanCorp

    Issuer of the shares purchased.

  • insider
    Frank L. Muller

    Director of California BanCorp.

Read at source← All news

Full insider trading history

This story covers one filing. See everything behind it: every insider buy and sell on record, 10b5-1 plans, late filings, and which officers and directors are trading.

BCAL insider trading history →

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