Frank L. Muller - 01 Jun 2026 Form 4 Insider Report for California BanCorp \ CA (BCAL)

Reporting relationship: Director
Issuer ticker: BCAL
Reported as of: 01 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 03 Jun 2026, 19:53:11 UTC
Prior SEC filing: 23 May 2025
Source filing: View source filing
Reporting owner signature: Manisha Merchant, as attorney in fact for Muller Frank

Key filing fact

Frank L. Muller filed Form 4 for California BanCorp \ CA (BCAL) on 03 Jun 2026.

Key facts

This page summarizes Frank L. Muller's Form 4 filing for California BanCorp \ CA (BCAL).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 03 Jun 2026, 19:53.

Change

Previous filing in this sequence was filed on 23 May 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001807551 Primary reporting owner

Muller Frank L.

Relationship: Director
Address: C/O CALIFORNIA BANCORP, 355 S. GRAND AVE STE 1200, LOS ANGELES
Signature: Manisha Merchant, as attorney in fact for Muller Frank
Signature date: 03 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

BCAL transaction

Common Stock

Other

Transaction value
Shares: +28
Change %: +0.08%
Price: $18.89^*
Shares after: 34,737
Date: 16 Jan 2026
Ownership: Direct
Footnotes: F1

BCAL transaction

Common Stock

Award

Transaction value
Shares: +3,196
Change %: +9.2%
Price: $0.000000^*
Shares after: 37,933
Date: 01 Jun 2026
Ownership: Direct
Footnotes: F2

BCAL holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,927
Date: 01 Jun 2026
Ownership: By spouse

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Reinvestment of cash dividends on January 16, 2026.

Footnote F2

Represents restricted stock units ("RSUs") issued to the Reporting Person as consideration for service on the Issuer's Board of Directors. Shares will be issued in full upon vesting, which is scheduled to occur on June 1, 2027.