SPAR Spartan Motors Inc

*

The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

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1

Name of Reporting Persons

            William F. Foster

2

Check the Appropriate Box if a Member of a Group

(a)   ¨

(b)   ¨

3

SEC Use Only

4

Citizenship or Place of Organization

            United States of America

Number of Shares Beneficially Owned by Each Reporting Person With

5

Sole Voting Power

            1,274,643 *

6

Shared Voting Power

            370,567

7

Sole Dispositive Power

            1,274,643 *

8

Shared Dispositive Power

            370,567

9

Aggregate Amount Beneficially Owned by Each Reporting Person

            1,645,210 *

10

Check if the Aggregate Amount in Row (9) Excludes Certain Shares

¨

11

Percent of Class Represented by Amount in Row (9)

            4.98%

12

Type of Reporting Person

            IN

*

Includes 112,497 shares subject to options that were exercisable on, or within 60 days after, December 31, 2009 and 1,324 shares that may be obtained through the exercise of Stock Appreciation Rights (SARs) exercisable on, or within 60 days after, December 31, 2009 (based on the closing stock price on December 31, 2009).  The shares of common stock described in this footnote may not be voted or transferred until issued upon exercise of the applicable option or SAR.

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Item 1(a).

Name of Issuer

Item 1(b).

Address of Issuer's Principal Executive Offices

Item 2(a).

Name of Person Filing

Item 2(b).

Address of Principal Business Office or, if None, Residence

Item 2(c).

Citizenship

Item 2(d).

Title of Class of Securities

Item 2(e).

CUSIP Number

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:

Not applicable.

(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. 73c).

(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 §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 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).

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(j)

¨

Group, in accordance with §240.13d-1(b)(1)(ii)(J).

¨

If this statement is filed pursuant to §240.13d-1(c), check this box.

Item 4.

Ownership

(a)

Amount Beneficially Owned:   1,645,210*

(b)

Percent of Class:   4.98%

(c)

Number of shares as to which such person has:

(i)      Sole power to vote or to direct the vote:  1,274,643*

(ii)     Shared power to vote or to direct the vote:  370,567

(iii)    Sole power to dispose or to direct the disposition of:  1,274,643*

(iv)    Shared power to dispose or to direct the disposition of:  370,567

*

Includes 112,497 shares subject to options that were exercisable on, or within 60 days after, December 31, 2009 and 1,324 shares that may be obtained through the exercise of Stock Appreciation Rights (SARs) exercisable on, or within 60 days after, December 31, 2009 (based on the closing stock price on December 31, 2009).  The shares of common stock described in this footnote may not be voted or transferred until issued upon exercise of the applicable option or SAR.

Item 5.

Ownership of Five Percent or Less of a Class:

Item 6.

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

Item 7.

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

Item 8.

Identification and Classification of Members of the Group:

Item 9.

Notice of Dissolution of Group:

Item 10.

Certification:

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