X0609 4 2026-05-11 0001643615 Onterris, Inc. ONT 0001817845 Revuelta Jose false 5120 NORTHSHORE DR NORTH LITTLE ROCK AR 72118 false true false false Chief Strategy Officer false Common Stock 2026-05-11 4 M false 27349 6.03 A 296631 D Stock Option (Right to Buy) 6.03 2026-05-11 4 M false 27349 0 D 2026-06-23 Common Stock 27349 0 D 50% of the shares subject to the option vested on June 9, 2017 and the remaining 50% vested on June 9, 2019. /s/ Nasym Afsari, Attorney in Fact 2026-05-12