Strategy. The Portfolio described in this Prospectus operates as a feeder fund and attempts to achieve its investment goal by investing all or substantially all of its assets in Class 1 shares of the American Funds Insurance Series Global Growth Fund (the Master Global Growth Fund), a portfolio offered by American Funds Insurance Series , a registered open-end investment company. The Master Global Growth Fund invests primarily in common stocks of companies around the world that the Master Global Growth Funds investment adviser believes have the potential for growth. As a fund that seeks to invest globally, the Master Global Growth Fund will allocate its assets among securities of companies in various countries, including the United States and countries with emerging … Show more… The Portfolio described in this Prospectus operates as a feeder fund and attempts to achieve its investment goal by investing all or substantially all of its assets in Class 1 shares of the American Funds Insurance Series Global Growth Fund (the Master Global Growth Fund), a portfolio offered by American Funds Insurance Series , a registered open-end investment company. The Master Global Growth Fund invests primarily in common stocks of companies around the world that the Master Global Growth Funds investment adviser believes have the potential for growth. As a fund that seeks to invest globally, the Master Global Growth Fund will allocate its assets among securities of companies in various countries, including the United States and countries with emerging markets (but in no fewer than three countries). Under normal market conditions, the Master Global Growth Fund will invest a percentage of its net assets outside the United States . That percentage will represent at least (a) 40% of the Master Global Growth Funds net assets, unless market conditions are not deemed favorable by the Master Global Growth Funds investment adviser, in which case 30%, or (b) the percentage of the MSCI All Country World Index represented by companies outside the United States minus 5%, whichever is lower. Capital Research, the investment adviser of the Master Global Growth Fund, may consider environmental, social and governance (ESG) factors that, depending on the facts and circumstances, are material to the value of an issuer or instrument. ESG factors may include, but are not limited to, environmental issues (e.g., water use, emission levels, waste, environmental remediation), social issues (e.g., human capital, health and safety, changing customer behavior) or governance issues (e.g., board composition, executive compensation, shareholder dilution). Investment of the Portfolios assets in the Master Global Growth Fund is not a fundamental policy of the Portfolio and a shareholder vote is not required for the Portfolio to withdraw its entire investment in the Master Global Growth Fund. Show less