Martin Liska - 01 Mar 2026 Form 4 Insider Report for California BanCorp \ CA (BCAL)

Role: EVP / Chief Risk Officer
Signature: Manisha Merchant, by POA for Martin Liska
Issuer symbol: BCAL
Transactions as of: 01 Mar 2026
Net transactions value: -$47,130
Form type: 4
Filing time: 03 Mar 2026, 21:18:48 UTC
Previous filing: 09 Dec 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Liska Martin	EVP / Chief Risk Officer	C/O CALIFORNIA BANCORP, 355 S. GRAND AVE STE 1200, LOS ANGELES	Manisha Merchant, by POA for Martin Liska	03 Mar 2026	0001967050

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	BCAL	Common Stock	Tax liability	$14,794	-808	-3.9%	$18.31	19,661	01 Mar 2026	Direct	F1
transaction	BCAL	Common Stock	Tax liability	$15,765	-861	-4.4%	$18.31	18,800	01 Mar 2026	Direct	F1
transaction	BCAL	Common Stock	Tax liability	$16,571	-905	-4.8%	$18.31	17,895	01 Mar 2026	Direct	F1
transaction	BCAL	Common Stock	Award	$0	+5,450	+30%	$0.000000	23,345	02 Mar 2026	Direct	F2
holding	BCAL	Common Stock						30,911	01 Mar 2026	MACH4 Trust

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Shares disposed to satisfy the Reporting Person's tax liability by the vesting of a previously granted award.
F2	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.