X0306 4 2013-11-13 0 0001438133 TANDEM DIABETES CARE INC TNDM 0001025665 CAHILL EDWARD L C/O HLM VENTURE PARTNERS, 222 BERKELEY STREET BOSTON MA 02116 1 0 1 0 Stock Option 15.00 2013-11-13 4 A 0 17000 0.00 A Common Stock 17000 17000 D Granted pursuant to the Issuer's Tandem Diabetes Care, Inc. 2013 Stock Incentive Plan. All shares subject to the option will vest in equal monthly installments over 12 months. The expiration date for these options is 10 years from the date of grant. /s/ David B. Berger, Attorney-in-Fact for Edward L. Cahill 2013-11-14