UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934

(Amendment No. 5)*

(Name of issuer)

(Title of class of securities)

(CUSIP number)

(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 (“Act”) 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).

SCHEDULE 13G

SCHEDULE 13G

SCHEDULE 13G

SCHEDULE 13G

SCHEDULE 13G

SCHEDULE 13G

This Amendment No. 5 (“Amendment No. 5”) amends and supplements the Schedule 13G as originally filed by Grant Gund, Rebecca H. Dent, G. Zachary Gund, Llura L. Gund and Gordon Gund on December 10, 2007, the Amendment No. 1 filed on February 7, 2008, the Amendment No. 2 filed on February 17, 2009, the Amendment No. 3 filed on February 4, 2010 and the Amendment No. 4 filed on February 11, 2011 (as so amended, the “Schedule 13G”). Capitalized terms used but not defined in this Amendment No. 5 have the respective meaning ascribed to them in the Schedule 13G.

Item 2(a) of the Schedule 13G, “Name of Persons Filing,” is hereby amended by deleting the last paragraph thereof and inserting the following:

The Reporting Persons, in the aggregate, beneficially own 1,928,539 shares of Common Stock or 7.1% of the outstanding Common Stock of the Issuer based on 27,058,750 shares outstanding as of November 2, 2011 as reported in the Quarterly Report on Form 10-Q of the Issuer for the period ended September 30, 2011. Neither the fact of this filing nor anything contained herein shall be deemed to be an admission by any of the Reporting Persons that a group exists within the meaning of the Exchange Act.

Item 4 of the Schedule 13G “Ownership,” is hereby amended and restated in its entirety as follows:

Pursuant to the Exchange Act and regulations thereunder, the Reporting Persons may be deemed as a group to have acquired beneficial ownership of 1,928,539 shares of Common Stock, which represents 7.1% of the outstanding Common Stock of the Issuer.

Grant Gund may be deemed to have shared power to vote and shared power to dispose of an aggregate of 672,992 shares of Common Stock, which constitutes 2.5% of the outstanding Common Stock of the Issuer, by virtue of his position as co-trustee for certain trusts as indicated below:

Rebecca H. Dent may be deemed to have shared power to vote and shared power to dispose of an aggregate of 1,226,919 shares of Common Stock, which constitutes 4.5% of the outstanding Common Stock of the Issuer, by virtue of her position as co-trustee for certain trusts as indicated below:

G. Zachary Gund, as co-trustee with Rebecca H. Dent for the G. Zachary Gund Descendants’ Trust, may be deemed to have shared power to vote and shared power to dispose of 553,927 shares of Common Stock, which constitutes 2.1% of the outstanding Common Stock of the Issuer.

Llura L. Gund, as co-trustee with Gordon Gund for the Dionis Trust, may be deemed to have shared power to vote and shared power to dispose of 701,620 shares of Common Stock, which constitutes 2.6% of the outstanding Common Stock of the Issuer.

Gordon Gund, as co-trustee with Llura L. Gund for the Dionis Trust, may be deemed to have shared power to vote and shared power to dispose of 701,620 shares of Common Stock, which constitutes 2.6% of the outstanding Common Stock of the Issuer.

Item 10. Certifications.

By signing below I certify that, to the best of my 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.

SCHEDULE 13G

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.

Date: February 9, 2012