The iShares S&P GSCI Commodity-Indexed Trust (the 'Trust') seeks to track the results of a fully collateralized investment in futures contracts on an index composed of a diversified group of commodities futures.The iShares S&P GSCI Commodity-Indexed Trust is not an investment company registered under the Investment Company Act of 1940, and therefore is not subject to the same regulatory requirements as mutual funds or ETFs registered under the Investment Company Act of 1940. Investments in shares of the Trust are speculative and involve a high degree of risk. Before making an investment decision, you should carefully consider the risk factors and other information included in the prospectus.