X0609 4 2026-04-05 0001534133 CalciMedica, Inc. CALC 0001484729 Leheny A. Rachel false C/O CALCIMEDICA, INC. 505 COAST BLVD. S. #307 LA JOLLA CA 92037 true true true false CHIEF EXECUTIVE OFFICER 0 Employee Stock Option (Right to Buy) 0.5850 2025-04-05 4 A 0 148482 0 A 2036-04-04 Common Stock 148482 148482 D Beginning April 1, 2026, 1/48th of the shares subject to the option vest in equal monthly installments over a four year period, provided, however, that no shares shall vest until the filing of the Company's registration statement on Form S-8 covering the shares of Common Stock that were automatically added to the shares authorized for issuance under the Company's 2023 Equity Incentive Plan on January 1, 2026 pursuant to an annual "evergreen" provision. /s/ John Dunn, Attorney-in-Fact 2026-04-07