Form 4 Filing for MAIER PAUL V

MAIER PAUL V, a director at International Stem Cell CORP, reported a disposition of 32,802 shares of Common Stock on September 11, 2026. The transaction code was 'S' and the shares were disposed of at a price of $0.32 per share. This transaction was made indirectly, as indicated by the ownership nature code 'I'. Following this transaction, the post-transaction shares owned by MAIER PAUL V amount to 0. The filing was signed on September 15, 2026.