X0508 4 2026-01-27 0001497253 VivoSim Labs, INC. VIVS 0001824619 Cohen Douglas Jay 11555 SORRENTO VALLEY ROAD SUITE 100 SAN DIEGO CA 92121 true false false false false Common Stock 2026-01-27 4 A false 15000 0 A 20732 D Common Stock 83 I By Son Common Stock 83 I By Daughter The reported securities are represented by restricted stock units, which shall vest on the earlier of January 27, 2027 or the date of the next annual meeting of stockholders held by the Issuer, subject to acceleration in the event of a change of control. Effective on March 20, 2025, the Issuer conducted a reverse stock split of its common stock at a ratio of 1-for-12 (the "Reverse Split"). All share numbers reported herein give effect to the Reverse Split. Exhibit 24 - Power of Attorney /s/ Norman Staskey, attorney-in-fact 2026-01-29