X0609 4 2026-05-29 0 0001438133 TANDEM DIABETES CARE INC TNDM 0001365369 Sheridan John F false 12400 HIGH BLUFF DRIVE SAN DIEGO CA 92130 1 1 0 0 PRESIDENT & CEO 0 Restricted Stock Unit 2026-05-29 4 A 0 191103 0 A Common Stock 191103 191103 D Each restricted stock unit (RSU) represents a contingent right to receive either one share of the Issuer's common stock or cash in lieu thereof, at the Issuer's discretion, in accordance with the terms of the Tandem Diabetes Care, Inc. 2023 Long-Term Incentive Plan, as amended, and agreements related thereto (the 2023 Plan). One-third of such RSUs shall vest on 5/29/2027, and the remaining RSUs shall vest in eight (8) equal quarterly installments on the 15th of the month thereafter. Ex. 24: Power of Attorney /s/ Jerilyn Laskie, Attorney-in-Fact for John F. Sheridan 2026-06-02