California BanCorp EVP shifts 1,257 shares to trust

Rhea-AI Filing Summary

California BanCorp (BCAL) executive Liska Martin, EVP / Chief Risk Officer, reported an internal share reallocation involving 2,514 shares of common stock coded as "other acquisition or disposition." On 2026-08-11, 1,257 shares moved out of Martin’s direct holdings and the same 1,257 shares were transferred into the MACH4 Trust, described as the reporting person’s living trust account. Following these moves, Martin held 17,710 shares directly and 35,842 shares indirectly through the trust. The filing does not indicate use of a Rule 10b5-1 trading plan.

Insider Trade Summary

Other: 2,514 shares

Other 2 txns

Insider Liska Martin

Role EVP / Chief Risk Officer

Type	Security	Shares	Price	Value
Other	Common Stock F1	1,257	$0.00	$0.00
Other	Common Stock F1	1,257	$0.00	$0.00

Holdings After Transaction: Common Stock — 17,710 shares (Direct); Common Stock — 35,842 shares (Indirect, MACH4 Trust)

Footnotes (1)

1. F1. Shares transferred to the Reporting Person's living trust account.

Key Figures

Shares disposed from direct ownership: 1,257 shares Shares acquired by MACH4 Trust: 1,257 shares Direct holdings after transaction: 17,710 shares +3 more

6 metrics

Shares disposed from direct ownership 1,257 shares Code J "other acquisition or disposition" on 2026-08-11

Shares acquired by MACH4 Trust 1,257 shares Transfer to the reporting person’s living trust account on 2026-08-11

Direct holdings after transaction 17,710 shares Common stock directly owned by Liska Martin following the transfer

Indirect holdings after transaction 35,842 shares Common stock held indirectly through MACH4 Trust after the transfer

Restructuring shares total 2,514 shares Aggregate shares involved in code J restructuring transactions

Per-share transaction price $0.0000 Internal transfer entries report zero per-share price

Key Terms

Common Stock, Other acquisition or disposition, MACH4 Trust, living trust account

4 terms

Common Stock financial

"security_title: "Common Stock" for both reported transactions"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

Other acquisition or disposition financial

"transaction_code_description: "Other acquisition or disposition""

MACH4 Trust financial

"nature_of_ownership: "MACH4 Trust" for indirect holdings"

living trust account financial

"footnote states: "Shares transferred to the Reporting Person's living trust account.""

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did BCAL executive Liska Martin report on this Form 4?

Liska Martin reported an internal reallocation of 2,514 shares of California BanCorp common stock, moving 1,257 shares from direct ownership into the MACH4 Trust, which is described as the reporting person’s living trust account, with no change in total share count.

How many California BanCorp (BCAL) shares were transferred to the MACH4 Trust?

A total of 1,257 common shares of California BanCorp were transferred to the MACH4 Trust. This was recorded as an "other acquisition or disposition" transaction on 2026-08-11 and represents a shift from direct to indirect ownership.

What are Liska Martin’s BCAL holdings after the reported transactions?

After the transactions, Liska Martin held 17,710 BCAL shares directly and 35,842 shares indirectly through the MACH4 Trust. These figures reflect the completion of the internal transfer on 2026-08-11 as reported on Form 4.

Were the BCAL Form 4 transactions by Liska Martin a market buy or sell?

The Form 4 reports no open-market buys or sells. Instead, it shows code "J" transactions, classified as "other acquisition or disposition," moving 1,257 shares from direct ownership into the MACH4 Trust as a living trust transfer.

Did Liska Martin’s total ownership in BCAL change as a result of this Form 4?

The filing shows no net change in total shares owned, only a reclassification. Exactly 1,257 shares were disposed from direct holdings and the same 1,257 shares were acquired indirectly by the MACH4 Trust.

Was a Rule 10b5-1 trading plan used for Liska Martin’s BCAL share transfer?

The document-level Rule 10b5-1 checkbox is marked false, indicating these restructuring transactions were not reported as being executed under a Rule 10b5-1 trading plan, based on the information provided in the filing data.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 08/12/2026 - 08:22 PM Accepted by SEC EDGAR 08/12/2026 - 08:22 PM Learn about SEC filing dates

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^*

Liska Martin

(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 Risk Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/11/2026

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	08/11/2026		J(1)		1,257	D	$0.00	17,710	D
Common Stock	08/11/2026		J(1)		1,257	A	$0.00	35,842	I	MACH4 Trust

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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Shares transferred to the Reporting Person's living trust account.

Remarks:

	Manisha Merchant, by POA for Martin Liska	08/12/2026
	** 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)