Director Stock Option Grant

Evgeny Zaytsev, a director at CalciMedica, Inc., was granted 20,000 stock options on October 1, 2026. These options, exercisable at $1.64 per share, allow the purchase of common stock and will expire on September 30, 2036. The options begin vesting on August 19, 2026, with 1/12th vesting monthly over one year, fully vesting by the 2027 annual meeting. This transaction is reported on Form 4.