PRIMECAP Odyssey Discovery ETF PRIMECAP Odyssey Discovery ETF S000105789Member C000276574Member Exchange-Traded Fund (“ETF”) Risks Member Exchange-Traded Fund (“ETF”) Risks Member Issuer Risk Member Issuer Risk Member PRIMECAP Odyssey Discovery ETF Class PRIMECAP Odyssey Discovery ETF S000105789Member C000276574Member Manager Risk Member Manager Risk Member Sector-Focus Risk Member Sector-Focus Risk Member U.S. Administration Foreign Policy And Government Restructuring Risk Member U.S. Administration Foreign Policy And Government Restructuring Risk Member Small- And Mid-Cap Stocks Risk Member Small- And Mid-Cap Stocks Risk Member Growth Stocks Risk Member Growth Stocks Risk Member Exchange-Traded Fund (“ETF”) Risks, Authorized Participants, Market Makers, and Liquidity Providers Concentration Risk Member Exchange-Traded Fund (“ETF”) Risks, Authorized Participants, Market Makers, and Liquidity Providers Concentration Risk Member Exchange-Traded Fund (“ETF”) Risks, Shares May Trade At Prices Other Than NAV Risk Member Exchange-Traded Fund (“ETF”) Risks, Shares May Trade At Prices Other Than NAV Risk Member Stock Market Risk Member Stock Market Risk Member Foreign Securities Risk Member Foreign Securities Risk Member Limited Operating History Risk Member Limited Operating History Risk Member Asset Concentration Risk Member Asset Concentration Risk Member Exchange-Traded Fund (“ETF”) Risks, Trading Risk Member Exchange-Traded Fund (“ETF”) Risks, Trading Risk Member Investment Style Risk Member Investment Style Risk Member Exchange-Traded Fund (“ETF”) Risks, Costs Of Buying Or Selling Shares Risk Member Exchange-Traded Fund (“ETF”) Risks, Costs Of Buying Or Selling Shares Risk Member