SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

(Rule 13d-102)

INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT

TO RULE 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED

PURSUANT TO RULE 13d-2(b)

California First National BanCORP

(Name of Issuer)

Common Stock

(Title of Class of Securities)

130222102

(CUSIP Number)

November 10, 2017

(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)

[X] Rule 13d-1(c)

[  ] Rule 13d-1(d)

____________________

The information required in the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

(Continued on following pages)

California First National Bancorp (the “Issuer”)

(b)        Address of Issuer’s Principal Executive Offices:

28 Executive Park

Irvine, CA 92614

M3 Funds, LLC

M3 Partners, LP

M3F, Inc.

Jason A. Stock

William C. Waller

(b)        Address of Principal Business Office or, if None, Residence:

For all persons filing:

10 Exchange Place, Suite 510

Salt Lake City, UT 84111

(c)        Citizenship:

M3 Funds, LLC is a Delaware limited liability company

M3 Partners, LP is a Delaware limited partnership

M3F, Inc. is a Utah corporation

Mr. Stock and Mr. Waller are United States citizens

(d)        Title of Class of Securities:

Common Stock

(e)        CUSIP Number:

130222102

Not applicable. Filed pursuant to Rule 13d-1(c).

The reported shares are the Issuer’s common stock.

All of the reported shares are owned directly by M3 Partners, L.P. (“M3 Partners”), whose general partner is M3 Funds, LLC (the “General Partner”) and whose investment adviser is M3F, Inc. (the “Investment Adviser”). The General Partner and the Investment Adviser could each be deemed to be indirect beneficial owners of the reported shares, and could be deemed to share such beneficial ownership with M3 Partners.

Jason A. Stock and William C. Waller are the managers of the General Partner and the managing directors of the Investment Adviser, and could be deemed to share such indirect beneficial ownership with the General Partner, the Investment Adviser and M3 Partners.

If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following [  ].

Not applicable.

Not applicable.

Not applicable.

Not applicable.

By signing below, each of the undersigned certifies that, to the best of his or its knowledge and belief, the securities referred to above 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.

Exhibits

Exhibit 1

Joint Filing Agreement dated November 17, 2017, among M3 Partners, LP, M3 Funds, LLC, M3F, Inc., Jason A. Stock and William C. Waller.

Signature

After reasonable inquiry and to the best of each of the undersigned’s knowledge and belief, each of the undersigned certifies that the information set forth in this Statement is true, complete and correct. 

EXHIBIT 1

JOINT FILING AGREEMENT

In accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended, the undersigned agree to the joint filing on behalf of each of them of a Statement on Schedule 13G (including any and all amendments thereto) with respect to the Common Stock of California First National Bancorp and further agree that this Joint Filing Agreement shall be included as an Exhibit to such joint filings.

The undersigned further agree that each party hereto is responsible for the timely filing of such Statement on Schedule 13G and any amendments thereto, and for the accuracy and completeness of the information concerning such party contained therein; provided, however, that no party is responsible for the accuracy or completeness of the information concerning any other party, unless such party knows or has reason to believe that such information is inaccurate.

This Joint Filing Agreement may be signed in counterparts with the same effect as if the signature on each counterpart were upon the same instrument.

In witness whereof, each of the undersigned has executed this Agreement as of November 17, 2017.