California BanCorp (BCAL) EVP reports RSU grant and tax share disposals

Rhea-AI Filing Summary

California BanCorp EVP and Chief Accounting Officer Joann Yeung reported equity award and related share movements in company stock. On March 2, 2026, she received a grant of 5,995 restricted stock units, which will vest annually in substantially equal installments over a three-year period beginning on March 1, 2027. On March 1, 2026, several blocks of common stock were disposed of at $18.31 per share to cover tax liabilities arising from the vesting of a previously granted award. On January 16, 2026, an additional 34.05 shares were acquired through reinvestment of cash dividends. Following these transactions, her directly owned common stock position reported after the March 2 award was 34,128.05 shares.

Insider Trade Summary

5 transactions reported

Mixed 5 txns

Insider Yeung Joann

Role EVP / Chief Accounting Officer

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	5,995	$0.00	--
Tax Withholding	Common Stock	996	$18.31	$18K
Tax Withholding	Common Stock	727	$18.31	$13K
Tax Withholding	Common Stock	947	$18.31	$17K
Other	Common Stock	34.05	$18.89	$643.20

Holdings After Transaction: Common Stock — 34,128.05 shares (Direct)

Footnotes (1)

1. Reinvestment of cash dividends on January 16, 2026. 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.

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
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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^*

Yeung Joann

(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 Accounting 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	01/16/2026		J(1)		34.05	A	$18.89	30,803.05	D
Common Stock	03/01/2026		F(2)		996	D	$18.31	29,807.05	D
Common Stock	03/01/2026		F(2)		727	D	$18.31	29,080.05	D
Common Stock	03/01/2026		F(2)		947	D	$18.31	28,133.05	D
Common Stock	03/02/2026		A(3)		5,995	A	$0.00	34,128.05	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. Reinvestment of cash dividends on January 16, 2026.

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

3. 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 Joann Yeung	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 Joann Yeung report for California BanCorp (BCAL)?

Joann Yeung reported a new restricted stock unit grant, several share disposals for tax withholding, and a small dividend reinvestment. These transactions reflect equity compensation activity and related tax settlement rather than open-market buying or selling of California BanCorp common stock.

How many restricted stock units did Joann Yeung receive from California BanCorp (BCAL)?

She received 5,995 restricted stock units on March 2, 2026. According to the filing, these units will be issued as common shares upon vesting and will vest annually in substantially equal installments over a three-year period beginning on March 1, 2027.

Why did Joann Yeung dispose of California BanCorp (BCAL) shares in this Form 4?

The filing states that shares were disposed of to satisfy her tax liability triggered by the vesting of a previously granted award. These tax-withholding dispositions, coded “F,” are payments of tax obligations using shares rather than open-market sales for investment purposes.

What does the dividend reinvestment transaction mean for Joann Yeung’s BCAL holdings?

On January 16, 2026, 34.05 shares were acquired through reinvestment of cash dividends. This transaction, coded “J,” reflects automatic reinvestment of dividends into additional California BanCorp common stock, modestly increasing her direct share ownership over time.

How many California BanCorp (BCAL) shares does Joann Yeung own after these transactions?

After the March 2, 2026 award transaction, the filing reports that she directly owns 34,128.05 shares of California BanCorp common stock. This figure reflects her position following the new restricted stock unit grant and the related tax-withholding and dividend reinvestment transactions.