What price per share is reported for Michelle Wirfel’s BCAL tax-withholding transaction?

The Form 4 reports a price of $19.74 per share for the 93 shares used to satisfy tax obligations. This figure is an accounting value for the tax-withholding disposition and does not necessarily represent an active trade in the open market.

What does the footnote explain about Michelle Wirfel’s BCAL share disposition?

The footnote explains that the shares were disposed of to satisfy Michelle Wirfel’s tax liability caused by the vesting of a previously granted award. This clarifies the transaction as a routine tax-withholding event rather than a discretionary sale of shares.

California BanCorp (BCAL) COO reports tax-withholding of 93 vested shares

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

California BanCorp EVP and COO Michelle Wirfel reported a small tax-related share disposition. On the vesting of a previously granted stock award, 93 shares of Common Stock were withheld at $19.74 per share to cover her tax liability. After this non‑market, tax-withholding transaction, she holds 87,789.93 shares directly.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Wirfel Michelle

Role EVP, Chief Operating Officer

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock	93	$19.74	$2K

Holdings After Transaction: Common Stock — 87,789.93 shares (Direct, null)

Footnotes (1)

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Key Figures

Tax-withholding shares: 93 shares Tax-withholding price: $19.74 per share Post-transaction holdings: 87,789.93 shares +2 more

5 metrics

Tax-withholding shares 93 shares Shares delivered to satisfy tax liability on vesting

Tax-withholding price $19.74 per share Accounting price for 93 withheld shares

Post-transaction holdings 87,789.93 shares Common Stock held directly after transaction

Transaction code Code F Payment of tax liability by delivering securities

Transaction date June 21, 2026 Date of tax-withholding disposition

Key Terms

tax-withholding disposition, Payment of exercise price or tax liability by delivering securities, vesting of a previously granted award, Form 4

4 terms

tax-withholding disposition financial

"transaction_action: "tax-withholding disposition""

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.

Payment of exercise price or tax liability by delivering securities regulatory

"transaction_code_description: "Payment of exercise price or tax liability by delivering securities""

vesting of a previously granted award financial

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

Form 4 regulatory

"INSIDER FILING DATA (Form 4):"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 06/22/2026 - 06:20 PM Accepted by SEC EDGAR 06/22/2026 - 06:19 PM

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

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 Operating Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/21/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	06/21/2026		F⁽¹⁾		93	D	$19.74	87,789.93	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

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	06/22/2026
	** 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)

Source: View Original Filing on SEC EDGAR

FAQ

What did California BanCorp (BCAL) EVP Michelle Wirfel report in this Form 4?

Michelle Wirfel reported a small tax-withholding disposition of 93 shares of California BanCorp common stock. The shares were withheld upon vesting of a previously granted equity award to satisfy tax obligations, rather than sold in an open market transaction.

Was Michelle Wirfel’s BCAL Form 4 transaction an open market sale?

No, the Form 4 discloses a tax-withholding disposition, not an open market sale. The 93 shares were delivered to satisfy tax liability triggered by vesting of a prior award, as described in the accompanying footnote to the filing.

How many California BanCorp shares were involved in Michelle Wirfel’s tax withholding?

The transaction involved 93 shares of California BanCorp common stock. These shares were used to cover Michelle Wirfel’s tax liability arising from the vesting of a previously granted equity award, according to the description in the Form 4 footnote.

How many BCAL shares does Michelle Wirfel hold after this Form 4 transaction?

After the tax-withholding disposition of 93 shares, Michelle Wirfel directly holds 87,789.93 shares of California BanCorp common stock. This post-transaction balance is reported in the Form 4 as her total direct ownership following the event.