[Form 4] California BanCorp \ CA Insider Trading Activity

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

California BanCorp director Frank Di Tomaso reported routine equity compensation and updated holdings. He received 3,196 shares of Common Stock as a grant of restricted stock units for service on the Board, with shares scheduled to fully vest on June 1, 2027. A separate entry reflects 13.35 shares acquired through reinvestment of cash dividends on January 16, 2026 at $18.89 per share. After these updates, he directly holds 250,580.35 shares of Common Stock and also has indirect ownership through an IRA and a spouse’s IRA, indicating this filing primarily documents compensation and dividend-related activity rather than open‑market trading.

Insider Trade Summary

4 transactions reported

Mixed 4 txns

Insider Di Tomaso Frank

Role null

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	3,196	$0.00	--
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--
Other	Common Stock	13.35	$18.89	$252.18

Holdings After Transaction: Common Stock — 250,580.35 shares (Direct, null); Common Stock — 153,336 shares (Indirect, By IRA)

Footnotes (1)

Reinvestment of cash dividends on January 16, 2026. Represents restricted stock units ("RSUs") issued to the Reporting Person as consideration for service on the Issuer's Board of Directors. Shares will be issued in full upon vesting, which is scheduled to occur on June 1, 2027.

Key Figures

RSU grant: 3,196 shares RSU vesting date: June 1, 2027 Dividend reinvestment: 13.35 shares at $18.89 +4 more

7 metrics

RSU grant 3,196 shares Restricted stock units for Board service granted June 1, 2026

RSU vesting date June 1, 2027 Scheduled vesting date when shares are issued in full

Dividend reinvestment 13.35 shares at $18.89 Reinvestment of cash dividends on January 16, 2026

Direct holdings after transactions 250,580.35 shares Common Stock directly owned after June 1, 2026 updates

Spouse’s IRA holdings 12,075 shares Common Stock held indirectly via spouse’s IRA

IRA holdings 153,336 shares Common Stock held indirectly via reporting person’s IRA

RSU grant price $0.00 per share Grant of RSUs at no cash cost to the director

Key Terms

restricted stock units ("RSUs"), Reinvestment of cash dividends, IRA, Board of Directors

4 terms

restricted stock units ("RSUs") financial

"Represents restricted stock units ("RSUs") issued to the Reporting Person as consideration"

Restricted stock units (RSUs) are a company promise to give an employee shares of stock (or cash equivalent) in the future, but only after certain conditions—usually staying with the company for a set time or hitting performance goals—are met. Investors watch RSUs because when they vest they increase the number of shares outstanding and can lead insiders to sell shares, affecting share price, company dilution and the true cost of employee pay.

Reinvestment of cash dividends financial

"Reinvestment of cash dividends on January 16, 2026."

IRA financial

"nature_of_ownership": "By IRA""

An individual retirement account (IRA) is a savings account designed to help people put aside money for their retirement, often with tax advantages that encourage long-term savings. It matters to investors because it can grow over time, providing financial security later in life, and offers benefits that can reduce current taxes or allow investments to compound more effectively.

Board of Directors financial

"issued to the Reporting Person as consideration for service on the Issuer's Board of Directors."

The Board of Directors is a group of people chosen by a company's owners to help make big decisions and oversee how the company is run. They act like a team of advisors or managers, making sure the company stays on track and meets its goals. Their choices can influence the company's success and how it grows.

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Form 4 Insider Transactions: What Each Field Means →

06/03/2026 - 07:59 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^*

Di Tomaso Frank

(Last)

(First)

(Middle)

C/O SOUTHERN 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)

X	Director	10% Owner
	Officer (give title below)	Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/01/2026

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	01/16/2026		J⁽¹⁾		13.35	A	$18.89	247,384.35	D
Common Stock	06/01/2026		A⁽²⁾		3,196	A	$0.00	250,580.35	D
Common Stock								153,336	I	By IRA
Common Stock								12,075	I	By Spouse's IRA

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. Reinvestment of cash dividends on January 16, 2026.

2. Represents restricted stock units ("RSUs") issued to the Reporting Person as consideration for service on the Issuer's Board of Directors. Shares will be issued in full upon vesting, which is scheduled to occur on June 1, 2027.

Remarks:

	Manisha Merchant, by POA for Frank Di Tomaso	06/03/2026
	** 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)

Source: View Original Filing on SEC EDGAR

FAQ

What insider activity did BCAL director Frank Di Tomaso report on this Form 4?

Frank Di Tomaso reported a grant of 3,196 restricted stock units and a small dividend reinvestment of 13.35 shares. The filing mainly updates his direct and indirect Common Stock holdings, without any open‑market purchases or sales of California BanCorp shares.

How many California BanCorp (BCAL) shares did Frank Di Tomaso receive as a grant?

He received 3,196 shares of Common Stock via restricted stock units granted for Board service. These units carry a zero purchase price and are scheduled to convert into shares upon vesting, adding to his existing direct ownership position in California BanCorp.

When do Frank Di Tomaso’s BCAL restricted stock units vest?

The restricted stock units granted to Frank Di Tomaso are scheduled to vest in full on June 1, 2027. Upon vesting, the RSUs convert into shares of California BanCorp Common Stock, increasing his direct equity holdings without requiring a cash payment for the shares.

What was the nature of the 13.35 BCAL shares reported with code J?

The 13.35 shares associated with transaction code J represent a reinvestment of cash dividends on January 16, 2026 at $18.89 per share. This is classified as an “other” transaction and reflects automatic dividend reinvestment rather than an open‑market trade by the director.

What are Frank Di Tomaso’s direct BCAL holdings after these transactions?

Following the grant and dividend reinvestment, Frank Di Tomaso directly owns 250,580.35 shares of California BanCorp Common Stock. This figure excludes his additional indirect holdings held through an IRA and a spouse’s IRA, which are reported separately as indirect ownership.

Does the BCAL Form 4 show any open‑market buys or sells by Frank Di Tomaso?

No open‑market purchases or sales are shown. The filing reflects a stock grant of 3,196 restricted stock units for Board service and a dividend reinvestment of 13.35 shares, along with updated direct and indirect share balances for California BanCorp.