California BanCorp (BCAL) CAO withholds 704 shares for tax on vesting

Rhea-AI Filing Summary

California BanCorp executive Joann Yeung, EVP and Chief Accounting Officer, reported a tax-withholding disposition of 704 shares of common stock on August 2, 2026 at $21.30 per share. The shares were withheld to satisfy taxes on a vested award, leaving her with 33,424.05 shares held directly.

Insider Trade Summary

Net Seller: 704 shares

Net Sell 1 txn

Insider Yeung Joann

Role EVP / Chief Accounting Officer

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock F1	704	$21.30	$15K

Holdings After Transaction: Common Stock — 33,424.05 shares (Direct)

Footnotes (1)

1. F1. Shares disposed to satisfy the Reporting Person's tax liability by the vesting of a previously granted award.

Key Figures

Shares disposed for tax: 704 shares Price per share: $21.30 Shares held after transaction: 33,424.05 shares +1 more

4 metrics

Shares disposed for tax 704 shares Tax-withholding disposition on August 2, 2026

Price per share $21.30 Value used for the 704-share tax-withholding disposition

Shares held after transaction 33,424.05 shares Direct holdings of Joann Yeung following the August 2, 2026 transaction

Shares related to tax liability 704 shares Shares withheld to satisfy tax liability from vesting of a previously granted award

Key Terms

tax-withholding disposition, non-derivative, previously granted award, Chief Accounting Officer

4 terms

tax-withholding disposition financial

"Transaction described as a tax-withholding disposition to satisfy tax liability"

A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.

non-derivative financial

"The reported common stock transaction is classified as non-derivative"

previously granted award financial

"Shares disposed to satisfy tax liability by the vesting of a previously granted award"

Chief Accounting Officer other

"Joann Yeung serves as EVP / Chief Accounting Officer of California BanCorp"

A chief accounting officer is a senior executive responsible for overseeing a company's financial records and ensuring all accounting practices are accurate and compliant with regulations. They play a key role in preparing financial reports that help investors understand the company's financial health, much like a trusted navigator guiding a ship through complex waters. Their work ensures transparency and trust in the company's financial information.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/03/2026 - 08:15 PM Accepted by SEC EDGAR 08/03/2026 - 08:15 PM Learn about SEC filing dates

FAQ

What insider transaction did Joann Yeung report for BCAL?

Joann Yeung reported a tax-withholding disposition of 704 shares of California BanCorp common stock. The shares were withheld to satisfy tax liabilities arising from the vesting of a previously granted equity award, not from an open-market sale.

At what price were the BCAL shares valued in Yeung's Form 4 transaction?

The 704 shares were valued at $21.30 per share for the tax-withholding disposition. This value reflects the price used to cover the reporting person’s tax liability related to the vesting of a prior equity grant.

How many California BanCorp (BCAL) shares does Joann Yeung hold after the transaction?

After the reported tax-withholding disposition, Joann Yeung holds 33,424.05 shares of California BanCorp common stock directly. This figure reflects her position immediately following the August 2, 2026 tax-related share withholding.

Was the BCAL Form 4 transaction an open-market sale by Joann Yeung?

No. The Form 4 describes a tax-withholding disposition, where 704 shares were delivered or withheld to pay tax liability from a vesting award. It does not represent a discretionary open-market sale by the executive.

What role does Joann Yeung hold at California BanCorp (BCAL)?

Joann Yeung serves as Executive Vice President and Chief Accounting Officer of California BanCorp. The reported Form 4 transaction reflects activity in her personal holdings of the company’s common stock related to equity compensation vesting.

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^*

Yeung Joann

(Last) (First) (Middle)

C/O CALIFORNIA BANCORP

355 S. GRAND AVE STE 1200

(Street)

LOS ANGELES CALIFORNIA 90071

(City) (State) (Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/02/2026

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

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

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

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	08/02/2026		F(1)		704	D	$21.3	33,424.05	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. Shares disposed to satisfy the Reporting Person's tax liability by the vesting of a previously granted award.

Remarks:

	Manisha Merchant, by POA for Joann Yeung	08/03/2026
	** 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.
* Form 4: SEC 1474 (03-26)