[Form 4] California BanCorp Insider Trading Activity

Rhea-AI Filing Summary

California BanCorp (BCAL) Form 4: EVP & Chief Operating Officer Michelle Wirfel had 1,404 common shares withheld on 08/02/2025 (code F) to cover taxes triggered by a prior equity-award vesting. At the reported price of $14.60, the transaction is worth about $20.5 k.

After the withholding, Wirfel still directly owns 76,878 BCAL shares; no derivative positions were listed. Because code F denotes a mandatory, non-discretionary sale for tax purposes, the event is viewed as routine and immaterial to BCAL’s operating outlook or capital structure.

Positive

• None.

Negative

• Insider share disposition: EVP/COO reduced direct holdings by 1,404 shares, a minor but still negative optical signal despite being tax-driven.

Insights

Securities Analyst

TL;DR: Routine tax-withholding sale; negligible strategic signal.

The 1,404-share disposition equals roughly 1.8% of the insider’s stake and less than 0.02% of BCAL’s 7.8 m share float. Code F transactions are automatic, so this filing does not indicate sentiment change or operational issues. Insider still retains a sizable holding, preserving alignment with shareholders. Market impact expected to be de minimis.

Corporate Governance Expert

TL;DR: Governance disclosure compliant; no red flags.

The filing is timely, properly notes tax-related share withholding, and contains no derivative activity. Continued post-transaction ownership above 75 k shares suggests ongoing commitment. No indications of insider control shifts or potential conflicts. Event is disclosure-driven rather than value-relevant.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Wirfel Michelle

(Last) (First) (Middle)

C/O CALIFORNIA BANCORP

355 S. GRAND AVE STE 1200

(Street)

LOS ANGELES CA 90071

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
California BanCorp \ CA [ BCAL ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP, Chief Operating Officer

3. Date of Earliest Transaction (Month/Day/Year)
08/02/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	08/02/2025		F(1)		1,404	D	$14.6	76,878	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Shares disposed to satisfy the Reporting Person's tax liability by the vesting of a previously granted award.

Remarks:

	Manisha Merchant, by POA for Michele Wirfel	08/04/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

How many BCAL shares did Michelle Wirfel dispose of?

She disposed of 1,404 common shares on 08/02/2025 via tax withholding.

What was the price per share in the Form 4 transaction?

The reported price was approximately $14.60 per share.

How many BCAL shares does the EVP/COO own after the sale?

Following the transaction, she directly owns 76,878 shares.

Was this an open-market sale or tax withholding?

Transaction code F indicates shares were withheld to pay taxes on a vesting award, not an open-market sale.

Does the filing report any derivative securities?

No, Table II shows no derivative positions acquired or disposed of.