California BanCorp (BCAL) grants EVP 5,450 stock units, with tax-share disposals

Rhea-AI Filing Summary

California BanCorp executive Martin Liska reported both an equity grant and related tax-share disposals in recent Form 4 filings. On March 2, 2026, Liska received 5,450 restricted stock units of common stock at no cost, scheduled to vest in substantially equal annual installments over three years beginning March 1, 2027.

On March 1, 2026, a total of 2,574 shares of common stock were disposed of at $18.31 per share to satisfy tax liabilities arising from the vesting of a previously granted award. Following these transactions, Liska held common stock directly and also indirectly through the MACH4 Trust, which reported holding 30,911 shares of common stock as of March 1, 2026.

Insider Trade Summary

5 transactions reported

Mixed 5 txns

Insider Liska Martin

Role EVP / Chief Risk Officer

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	5,450	$0.00	--
Tax Withholding	Common Stock	808	$18.31	$15K
Tax Withholding	Common Stock	861	$18.31	$16K
Tax Withholding	Common Stock	905	$18.31	$17K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 23,345 shares (Direct); Common Stock — 30,911 shares (Indirect, MACH4 Trust)

Footnotes (1)

1. Shares disposed to satisfy the Reporting Person's tax liability by the vesting of a previously granted award. Represents restricted stock units granted to the Reporting Person on March 2, 2026, which will be issued upon vesting and will vest annually, in substantially equal installments, over a three-year period beginning on March 1, 2027.

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Form 4 Insider Transactions: What Each Field Means →

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)
03/01/2026

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	03/01/2026		F(1)		808	D	$18.31	19,661	D
Common Stock	03/01/2026		F(1)		861	D	$18.31	18,800	D
Common Stock	03/01/2026		F(1)		905	D	$18.31	17,895	D
Common Stock	03/02/2026		A(2)		5,450	A	$0.00	23,345	D
Common Stock								30,911	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.

2. Represents restricted stock units granted to the Reporting Person on March 2, 2026, which will be issued upon vesting and will vest annually, in substantially equal installments, over a three-year period beginning on March 1, 2027.

Remarks:

	Manisha Merchant, by POA for Martin Liska	03/03/2026
	** 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 insider transactions did California BanCorp (BCAL) report for Martin Liska?

California BanCorp reported that EVP and Chief Risk Officer Martin Liska received a grant of 5,450 restricted stock units and disposed of 2,574 shares to cover tax liabilities tied to a previously vested award, according to the Form 4 insider filing.

How many California BanCorp shares were granted to Martin Liska in the latest Form 4?

Martin Liska was granted 5,450 restricted stock units of California BanCorp common stock. These units were awarded on March 2, 2026 and will vest in substantially equal annual installments over three years, beginning on March 1, 2027, subject to continued service.

Why did Martin Liska dispose of California BanCorp (BCAL) shares on March 1, 2026?

The Form 4 states that shares were disposed of to satisfy Martin Liska’s tax liability arising from the vesting of a previously granted equity award. A total of 2,574 shares of California BanCorp common stock were delivered for this purpose at $18.31 per share.

What vesting schedule applies to Martin Liska’s 5,450 California BanCorp restricted stock units?

The 5,450 restricted stock units granted to Martin Liska on March 2, 2026 will vest annually in substantially equal installments over a three-year period, starting on March 1, 2027. Upon vesting, the units will be settled in shares of California BanCorp common stock.

How many California BanCorp shares are held indirectly for Martin Liska through the MACH4 Trust?

The Form 4 reports that 30,911 shares of California BanCorp common stock were held indirectly for Martin Liska through the MACH4 Trust as of March 1, 2026. This indirect position is reported separately from his directly held common stock holdings.