California BanCorp \ CA — Director's Dealing 2026

Feb 5, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: California BanCorp \ CA (BCAL)
CIK: 0001795815
Period of Report: 2026-02-03

Reporting Person: Volk David J. (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-01-28	Common Stock	S	2346104.00	$18.95	Disposed	3729.00	Indirect
2026-02-03	Common Stock	P	27000.00	$18.64	Acquired	28195.00	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Stock Options	$12.96	2029-02-20	Common Stock (7500.00)	7500.00	Direct
Stock Options	$9.67	2027-03-15	Common Stock (10000.00)	10000.00	Direct

Footnotes

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.