Names of Reporting Persons

Endeavour Capital Advisors Inc.

Check the Appropriate Box If a Member of a Group (See Instructions)

         a.        [         ]

         b.        [         ]

Citizenship or Place of Organization

Delaware

Number of
Shares

Beneficially
Owned By
Each

Reporting
Person
With

Sole Voting Power

0

Shared Voting Power

386,058

Sole Dispositive Power

0

Shared Dispositive Power

386,058

Aggregate Amount Beneficially Owned by Each Reporting Person

386,058

Check Box If the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

[        ]

Percent of Class Represented By Amount in Row (9)

5.3%

Type of Reporting Person (See Instructions)

IA

Names of Reporting Persons

Laurence M. Austin

Check the Appropriate Box If a Member of a Group (See Instructions)

         a.        [         ]

         b.        [         ]

Citizenship or Place of Organization

United States of America

Number of
Shares

Beneficially
Owned By
Each

Reporting
Person
With

Sole Voting Power

0

Shared Voting Power

386,058

Sole Dispositive Power

0

Shared Dispositive Power

386,058

Aggregate Amount Beneficially Owned by Each Reporting Person

386,058

Check Box If the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

[        ]

Percent of Class Represented By Amount in Row (9)

5.3%

Type of Reporting Person (See Instructions)

IN, HC

Names of Reporting Persons

Mitchell J. Katz

Check the Appropriate Box If a Member of a Group (See Instructions)

         a.        [         ]

         b.        [         ]

Citizenship or Place of Organization

United States of America

Number of
Shares

Beneficially
Owned By
Each

Reporting
Person
With

Sole Voting Power

0

Shared Voting Power

386,058

Sole Dispositive Power

0

Shared Dispositive Power

386,058

Aggregate Amount Beneficially Owned by Each Reporting Person

386,058

Check Box If the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)

[        ]

Percent of Class Represented By Amount in Row (9)

5.3%

Type of Reporting Person (See Instructions)

IN, HC

Name of Issuer: American River Bankshares (the “Issuer”)

Address of the Issuer’s Principal Executive Offices:

3100 Zinfandel Drive, Suite 450, Rancho Cordova, California 95670

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: (i) Endeavour Capital Advisors Inc. (“Endeavour”), (ii) Laurence M. Austin and (iii) Mitchell J. Katz.

Principal Business Address or, if none, Residence:

Endeavour Capital Advisors Inc.

410 Greenwich Avenue

Greenwich, CT 06830

Citizenship of Person Filing:

Endeavour is a Delaware corporation and Mssrs. Austin and Katz are citizens of the United States of America.

Title of Class of Securities: Common Stock

CUSIP Number: 029326105

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)  [X] 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)  [X] A parent holding company or control person in accordance with §240.13d-1(b)(1)(ii)(G);

(h)  [_] A savings association 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);

(k) [_] Group, in accordance with §240.13d-1(b)(1)(ii)(K). If filing as a non-U.S. institution in accordance with §240.13d-1(b) (1)(ii)(J), please specify the type of institution:

Ownership:

The information in items 1 and 5 through 11 on the cover pages (pp. 2-4) on this Schedule 13G is hereby incorporated by reference.

Ownership of Five Percent or Less of a Class:

Not applicable.

Ownership of More than Five Percent on Behalf of Another Person:

Not applicable.

Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company:

Not applicable.

Identification and Classification of Members of the Group:

Not applicable.

Notice of Dissolution of Group:

Not applicable.

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 such purpose or effect.