X0202 SCHEDULE 13D 0002158621 XXXXXXXX LIVE PRIMECAP Odyssey Discovery ETF 10/22/2026 false 0001293967 74160Q400 PRIMECAP Odyssey Funds

177 EAST COLORADO BOULEVARD, 11TH FLOOR PASADENA CA 91105

Jennifer A. Ottosen (626) 304-9222 PRIMECAP Management Company 177 East Colorado Boulevard, 11th Floor Pasadena CA 91105 Sara P. Crovitz (212) 451-2300 Stradley Ronon Stevens Young, LLP 2000 K Street NW, Suite 700 Washington DC 20006 0002158621 N Mordecai Alfred Winborne PF N X1 50000.00 0.00 50000.00 0.00 50000.00 N 6.6 IN PRIMECAP Odyssey Discovery ETF PRIMECAP Odyssey Funds 177 EAST COLORADO BOULEVARD, 11TH FLOOR PASADENA CA 91105 Alfred W. Mordecai 177 East Colorado Boulevard, 11th Floor, Pasadena CA 91105 PRIMECAP Management Co, 177 E Colorado Boulevard, 11th Floor, Pasadena, CA 91105 During the last five years, the Reporting Person was not convicted in any criminal proceedings, (excluding traffic violations or minor misdemeanors). During the last five years, the Reporting Person was not a party to a civil proceeding of a judicial or administration body of competent jurisdiction and as a result of such proceeding was not or is not the subject to a judgement, decree or final order enjoining further violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws. USA The aggregate amount of consideration used to acquire the shares of POMG (as defined below) was $1,274,608 and the source of funds were personal funds of the individual investor. The purpose of the transaction is for investment purposes only and not for the purpose of changing of influencing control of PRIMECAP Odyssey Discovery ETF ("POMG"). The Reporting Person may seek to acquire additional Shares of POMG and/or may dispose of some or all of their Shares, from time to time, by selling such Shares on the secondary market or otherwise, depending on price, market liquidity, developments affecting POMG. The Reporting person owns 50,000 shares of POMG, which accounts for 6.58% of the total outstanding shares. Sole Voting Power: 50,000 shares Shared Voting Power: 0 Sole Dispositive Power: 50,000 shares Shared Dispositive Power: 0 On October 21, 2026, the Reporting Person purchased 20,000 shares of POMG at an average price of $25.69. On October 22, the Reporting Person purchased an additional 30,000 shares of POMG at an average price of $25.47. N/A N/A None None Mordecai Alfred Winborne /s/Alfred W. Mordecai 10/26/2026