Endeavour reports 5.4% California Bancorp (BCAL) ownership stake filing

Rhea-AI Filing Summary

California Bancorp received an amended Schedule 13G showing that Endeavour Capital Advisors Inc., together with Laurence M. Austin, Mitchell J. Katz and Jonah Marcus, report beneficial ownership of 1,755,219 shares of common stock, representing 5.4% of the class.

The filing notes that these securities are held in the ordinary course of business and are not held for the purpose of changing or influencing control of the issuer. The ownership percentages are based on 32,418,182 shares outstanding as of December 31, 2025, as reported in a recent company Form 8-K.

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Accepted by SEC EDGAR 02/13/2026 - 04:10 PM Learn about SEC filing dates

FAQ

What stake in California Bancorp (BCAL) does Endeavour Capital Advisors report?

Endeavour Capital Advisors and related filers report beneficial ownership of 1,755,219 shares of California Bancorp common stock, representing 5.4% of the outstanding class. This reflects a passive investment position under Schedule 13G rules.

Which investors are included in the California Bancorp (BCAL) Schedule 13G/A filing?

The Schedule 13G/A is jointly filed by Endeavour Capital Advisors Inc., Laurence M. Austin, Mitchell J. Katz, and Jonah Marcus. They collectively report beneficial ownership of California Bancorp common stock as a group under Section 13 of the Exchange Act.

What percentage of California Bancorp (BCAL) shares do the reporting persons own?

The reporting group states beneficial ownership of 5.4% of California Bancorp’s common stock. This percentage is calculated using 32,418,182 shares outstanding as of December 31, 2025, as disclosed in the company’s Form 8-K exhibit.

Is the Endeavour Capital stake in California Bancorp (BCAL) a passive investment?

Yes. The filers certify the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of California Bancorp, consistent with a Schedule 13G passive ownership status.

How many California Bancorp (BCAL) shares does Jonah Marcus report owning?

Jonah Marcus reports 9,858 shares with sole voting and dispositive power, plus shared voting and dispositive power over 1,755,219 shares. His aggregate beneficial ownership is listed as 1,765,077 shares, corresponding to 5.4% of the class.

What share count did California Bancorp (BCAL) report outstanding for this Schedule 13G/A?

The ownership percentages in the Schedule 13G/A are based on 32,418,182 shares of California Bancorp common stock outstanding as of December 31, 2025. This figure comes from an exhibit to the company’s Form 8-K filed on January 28, 2026.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 1)

California Bancorp

(Name of Issuer)

Common Stock, no par value

(Title of Class of Securities)

84252A106

(CUSIP Number)

12/31/2025

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

SCHEDULE 13G

CUSIP No. 84252A106

1

Names of Reporting Persons

Endeavour Capital Advisors Inc.

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 1,755,219.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,755,219.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,755,219.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

5.4 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

CUSIP No. 84252A106

1

Names of Reporting Persons

Laurence M. Austin

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 1,755,219.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,755,219.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,755,219.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

5.4 %

12

Type of Reporting Person (See Instructions)

IN, HC

SCHEDULE 13G

CUSIP No. 84252A106

1

Names of Reporting Persons

Mitchell J. Katz

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 1,755,219.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,755,219.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,755,219.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

5.4 %

12

Type of Reporting Person (See Instructions)

IN, HC

SCHEDULE 13G

CUSIP No. 84252A106

1

Names of Reporting Persons

Jonah Marcus

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 9,858.00
6	Shared Voting Power 1,755,219.00
7	Sole Dispositive Power 9,858.00
8	Shared Dispositive Power 1,755,219.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,765,077.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

5.4 %

12

Type of Reporting Person (See Instructions)

IN, HC

SCHEDULE 13G

Item 1.
(a)	Name of issuer: California Bancorp
(b)	Address of issuer's principal executive offices: 12265 El Camino Real, Suite 210, San Diego, CA 92310
Item 2.
(a)	Name of person filing: This Schedule 13G is being jointly filed by each of the following persons pursuant to Rule 13d-1(k)(1) promulgated by the Securities and Exchange Commission pursuant to Section 13 of the Act, with respect to shares of Common Stock, no par value (the "Common Stock") of California Bancorp (the "Issuer"): (i) Endeavour Capital Advisors Inc. ("Endeavour"), (ii) Laurence M. Austin, (iii) Mitchell J. Katz and (iv) Jonah Marcus.
(b)	Address or principal business office or, if none, residence: Endeavour Capital Advisors Inc. 410 Greenwich Avenue Greenwich, CT 06830
(c)	Citizenship: Endeavour is a Delaware corporation and Messrs. Austin, Katz and Marcus are citizens of the United States of America.
(d)	Title of class of securities: Common Stock, no par value
(e)	CUSIP No.: 84252A106
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: The information in items 5 through 9 on the cover pages of this Schedule 13G is hereby incorporated by reference. The ownership percentages are based on 32,418,182 shares of Common Stock outstanding as of December 31, 2025, as reported in Exhibit 99.1 to the Issuer's Current Report on Form 8-K filed with the Securities and Exchange Commission on January 28, 2026.
(b)	Percent of class: The information in item 11 of the cover pages of this Schedule 13G is hereby incorporated by reference.
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: The information in item 5 of the cover pages of this Schedule 13G is hereby incorporated by reference.
	(ii) Shared power to vote or to direct the vote: The information in item 6 of the cover pages of this Schedule 13G is hereby incorporated by reference.
	(iii) Sole power to dispose or to direct the disposition of: The information in item 7 of the cover pages of this Schedule 13G is hereby incorporated by reference.
	(iv) Shared power to dispose or to direct the disposition of: The information in item 8 of the cover pages of this Schedule 13G is hereby incorporated by reference.
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Endeavour Capital Advisors Inc.

Signature:	/s/ Glenn Hofsess*
Name/Title:	Glenn Hofsess, Chief Financial Officer
Date:	02/13/2026

Laurence M. Austin

Signature:	/s/ Laurence M. Austin*
Name/Title:	Laurence M. Austin
Date:	02/13/2026

Mitchell J. Katz

Signature:	/s/ Mitchell J. Katz*
Name/Title:	Mitchell J. Katz
Date:	02/13/2026

Jonah Marcus

Signature:	/s/ Jonah Marcus*
Name/Title:	Jonah Marcus
Date:	02/13/2026

Comments accompanying signature: *The Reporting Persons disclaim beneficial ownership in the shares reported herein except to the extent of their pecuniary interest therein, and this report shall not otherwise be deemed an admission that any of them is the beneficial owner of such securities for purposes of Section 13(d) or Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes.