David J. Volk - 03 Feb 2026 Form 4 Insider Report for California BanCorp \ CA (BCAL)

Role: Director
Signature: Manisha Merchant, by POA for David Volk
Issuer symbol: BCAL
Transactions as of: 03 Feb 2026
Net transactions value: -$43,955,391
Form type: 4
Filing time: 05 Feb 2026, 20:07:14 UTC
Previous filing: 02 Jan 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Volk David J.	Director	C/O CALIFORNIA BANCORP, 355 S. GRAND AVE STE 1200, LOS ANGELES	Manisha Merchant, by POA for David Volk	05 Feb 2026	0001733127

This filing has been restated, see here for the amended filing

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	BCAL	Common Stock	Sale	$44,458,671	-2,346,104	-100%	$18.95	3,729	28 Jan 2026	By Castle Creek Advisors IV LLC and Castle Creek Capital Partners VI LP	F1, F2
transaction	BCAL	Common Stock	Purchase	$503,280	+27,000	+2259%	$18.64	28,195	03 Feb 2026	Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
holding	BCAL	Stock Options						7,500	03 Feb 2026	Common Stock	7,500	$12.96	Direct
holding	BCAL	Stock Options						10,000	03 Feb 2026	Common Stock	10,000	$9.67	Direct

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

Explanation of Responses:

Id	Content
F1	These securities were held by Castle Creek Advisors IV LLC and Castle Creek Capital Partners VI LP. Mr. Volk, a managing principal of Castle Creek, disclaims beneficial ownership of such shares held by Castle Creek Advisors IV LLC and Castle Creek Capital Partners VI LP, except to the extent of his pecuniary interest therein and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.
F2	These unvested restricted stock units were assigned to Castle Creek Advisors IV LLC, on behalf of David Volk in his capacity as a member of the Board of Directors of California BanCorp, Inc. and will become fully vested on May 21, 2026.

Content

These securities were held by Castle Creek Advisors IV LLC and Castle Creek Capital Partners VI LP. Mr. Volk, a managing principal of Castle Creek, disclaims beneficial ownership of such shares held by Castle Creek Advisors IV LLC and Castle Creek Capital Partners VI LP, except to the extent of his pecuniary interest therein and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

These unvested restricted stock units were assigned to Castle Creek Advisors IV LLC, on behalf of David Volk in his capacity as a member of the Board of Directors of California BanCorp, Inc. and will become fully vested on May 21, 2026.