Item 5.03. Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year.

On December 20, 2007, the Board of Directors of MoSys, Inc. approved the amendment of Sections 8.3, 8.4 and 8.10 of MoSys's Bylaws on December 20, 2007. A copy of these sections of the Bylaws, as amended, is filed as Exhibit 3.4.1 to this report and is incorporated by reference in response to Item 5.03. Effective January 1, 2008, the NASDAQ Stock Market and other major exchanges require listed securities to be eligible for a Direct Registration Program. The Direct Registration Program permits ownership to be recorded and maintained on the books of MoSys or MoSys's transfer agent without the issuance of a physical stock certificate. MoSys's Bylaws were amended to facilitate MoSys's compliance with the Direct Registration Program.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits.

3.4.1 Amendment to Bylaws of the Registrant as amended effective December 20, 2007.

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