[Form 4] California BanCorp Insider Trading Activity

Rhea-AI Filing Summary

California BanCorp (BCAL) – Form 4 filing, 8/4/2025. EVP & Chief Risk Officer Martin Liska reported a Code F transaction on 8/2/2025, indicating the withholding and sale of shares to satisfy tax obligations triggered by the vesting of a prior equity award.

• Shares disposed: 702 common shares at $14.60
• Proceeds applied: tax withholdings (not an open-market sale)
• Remaining beneficial ownership: 28,128 shares held directly and 25,542 shares held indirectly through the MACH4 Trust, for an aggregate 53,670 shares.

This appears to be a routine, non-discretionary disposition rather than a change in investment stance. No derivative transactions were reported. Material impact on insider ownership or investor outlook is minimal.

Insights

Securities Analyst

TL;DR: Routine tax-withholding sale; no strategic signal, ownership remains substantial.

The Code F designation confirms the shares were automatically sold to cover taxes upon vesting, a common administrative event. The 702 shares represent roughly 1.3% of Mr. Liska’s total direct and indirect holdings, leaving his economic exposure essentially intact. Because the sale was non-discretionary and small, I classify the filing as neutral with negligible impact on valuation or sentiment for BCAL.

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^*

Liska Martin

(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 Risk 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)		702	D	$14.6	28,128	D
Common Stock								25,542	I	MACH4 Trust

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 Martin Liska	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

What did BCAL insider Martin Liska report on the latest Form 4?

He sold 702 BCAL common shares at $14.60 to cover taxes from a vesting equity award.

Does the transaction indicate a change in insider sentiment toward California BanCorp?

No. The Code F sale is routine tax withholding, not an open-market discretionary sale.

How many BCAL shares does Martin Liska now own?

He holds 28,128 shares directly and 25,542 indirectly, totaling 53,670 shares.

Were any derivative securities involved in this Form 4 filing?

No derivative securities were reported; only common stock was affected.

Is this filing likely to impact California BanCorp's stock price?

Impact is expected to be minimal because the transaction was small and nondiscretionary.