UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-PX ANNUAL REPORT OF PROXY VOTING RECORD OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-22564 GMO Series Trust (Exact name of registrant as specified in charter) 40 Rowes Wharf Boston, MA 02110 (Address of principal executive offices) (Zip code) J.B. Kittredge, Principal Executive Officer GMO Trust 40 Rowes Wharf Boston, MA 02110 (Name and address of agent for service) Registrant's telephone number, including area code: (617) 330-7500 Date of fiscal year end: 4/30/12 Date of reporting period: 03/01/12 - 06/30/12 Item 1. Proxy Voting Record. Disclose the following information for each matter relating to a portfolio security considered at any shareholder meeting held during the period covered by the report and with respect to which the registrant was entitled to vote: ******************************* FORM N-Px REPORT ******************************* ICA File Number: 811-22564 Reporting Period: 07/01/2011 - 06/30/2012 GMO Series Trust =================== GMO International Equity Allocation Fund =================== There is no proxy voting activity for the fund, as the fund did not hold any votable positions during the reporting period. ========== END NPX REPORT SIGNATURES Pursuant to the requirements of the Investment Company Act of 1940, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. (Registrant) GMO Series Trust --------------------------------------------------------------- By (Signature and Title)* /s/ J.B. Kittredge ------------------------------------------------- J.B. Kittredge, Principal Executive Officer Date August 17, 2012 --------------------------------------------------------------------- *Print the name and title of each signing officer under his or her signature. 2