X0202 SCHEDULE 13G 0001950677 XXXXXXXX LIVE Class A ordinary shares, par value $0.0001 per share 06/30/2026 0002029769 Oaktree Acquisition Corp. III Life Sciences G6717R104 333 SOUTH GRAND AVENUE, 28TH FLOOR LOS ANGELES CA 90071 Rule 13d-1(b) Decagon Asset Management LLP X0 1091327 0 1091327 0 1091327 N 5.52 IA PN Benjamin John Durham X0 1091327 0 1091327 0 1091327 N 5.52 HC IN Oaktree Acquisition Corp. III Life Sciences 333 SOUTH GRAND AVENUE, 28TH FLOOR, LOS ANGELES, CALIFORNIA 90071 Decagon Asset Management LLP Benjamin John Durham 5 SWALLOW PLACE LONDON, United Kingdom W1B 2AF Decagon Asset Management LLP - UNITED KINGDOM Benjamin John Durham - UNITED KINGDOM N BD IA HC 1,091,327 5.52 Decagon Asset Management LLP - 1,091,327 Benjamin John Durham - 1,091,327 Decagon Asset Management LLP - 0 Benjamin John Durham - 0 Decagon Asset Management LLP - 1,091,327 Benjamin John Durham - 1,091,327 Decagon Asset Management LLP - 0 Benjamin John Durham - 0 Y Y Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11. Decagon Asset Management LLP Olivia Cooper 08/14/2026 Benjamin John Durham Ben Durham 08/03/2026