Leal James

SEC source: 0001438133-24-000142 · wk-form4_1716936284.xml · derivative · entry 4

Leal James · CIK 0001866570 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 310 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · security: Awarded on May 27, 2020 pursuant to the Tandem Diabetes Care, Inc. 2013 Stock Incentive Plan, as amended, and the agreements related thereto (the 2013 Plan).

F6 · derivative.exercise_price: Each RSU represents a contingent right to receive either one share of common stock of the Issuer or cash in lieu thereof, at the Issuer's discretion, in accordance with the terms of the 2013 Plan.

F7 · derivative.exercise_date: RSU vest as to twenty-five percent (25%) of the total number of shares subject to the RSU on the one year anniversary of the grant date, and the remaining shares shall vest in twelve (12) equal quarterly installments thereafter, subject to the terms of the 2013 Plan.

F7 · derivative.expiration_date: RSU vest as to twenty-five percent (25%) of the total number of shares subject to the RSU on the one year anniversary of the grant date, and the remaining shares shall vest in twelve (12) equal quarterly installments thereafter, subject to the terms of the 2013 Plan.

SEC source: 0001438133-24-000142 · wk-form4_1716936284.xml · nonDerivative · entry 2

Leal James · CIK 0001866570 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,876

F1 · kind: Shares withheld by Tandem Diabetes Care, Inc. (the Company) to satisfy tax withholding requirements on vesting of restricted stock units (RSU). No shares were sold.

SEC source: 0001438133-24-000142 · wk-form4_1716936284.xml · nonDerivative · entry 1

Leal James · CIK 0001866570 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,005

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001438133-24-000142 · wk-form4_1716936284.xml · derivative · entry 3

Leal James · CIK 0001866570 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,257

Underlying: Common Stock · 16,257 shares

Expires not disclosed

F2 · security: Awarded on May 23, 2024 pursuant to the Tandem Diabetes Care, Inc. 2023 Long-Term Incentive Plan (the 2023 Plan).

F3 · derivative.exercise_price: Each restricted stock unit (RSU) represents a contingent right to receive either one share of common stock of the Issuer or cash in lieu thereof, at the Issuer's discretion, in accordance with the terms of the 2023 Plan.

F4 · derivative.exercise_date: RSU vest as to thirty-three percent (33%) of the total number of shares subject to the RSU on 5/15/2025, and the remaining shares shall vest in eight (8) equal quarterly installments thereafter.

F4 · derivative.expiration_date: RSU vest as to thirty-three percent (33%) of the total number of shares subject to the RSU on 5/15/2025, and the remaining shares shall vest in eight (8) equal quarterly installments thereafter.

SEC source: 0001438133-24-000097 · wk-form4_1715982353.xml · derivative · entry 13

Leal James · CIK 0001866570 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,497

Underlying: Common Stock · 5,748 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F10 · security: Awarded on May 25, 2023 pursuant to the Tandem Diabetes Care, Inc. 2023 Long-Term Incentive Plan (the 2023 Plan).

F11 · derivative.exercise_price: Each RSU represents a contingent right to receive either one share of common stock of the Issuer or cash in lieu thereof, at the Issuer's discretion, in accordance with the terms of the 2023 Plan.

F9 · derivative.exercise_date: RSU vest as to thirty-three percent (33%) of the total number of shares subject to the RSU on 5/15/2024, and the remaining shares shall vest in eight (8) equal quarterly installments thereafter.

F9 · derivative.expiration_date: RSU vest as to thirty-three percent (33%) of the total number of shares subject to the RSU on 5/15/2024, and the remaining shares shall vest in eight (8) equal quarterly installments thereafter.

SEC source: 0001438133-24-000097 · wk-form4_1715982353.xml · derivative · entry 12

Leal James · CIK 0001866570 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,599

Underlying: Common Stock · 2,299 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F8 · security: Awarded on May 15, 2023 pursuant to the 2013 Plan.

F4 · derivative.exercise_price: Each RSU represents a contingent right to receive either one share of common stock of the Issuer or cash in lieu thereof, at the Issuer's discretion, in accordance with the terms of the 2013 Plan.

F9 · derivative.exercise_date: RSU vest as to thirty-three percent (33%) of the total number of shares subject to the RSU on 5/15/2024, and the remaining shares shall vest in eight (8) equal quarterly installments thereafter.

F9 · derivative.expiration_date: RSU vest as to thirty-three percent (33%) of the total number of shares subject to the RSU on 5/15/2024, and the remaining shares shall vest in eight (8) equal quarterly installments thereafter.

SEC source: 0001438133-24-000097 · wk-form4_1715982353.xml · derivative · entry 11

Leal James · CIK 0001866570 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,223

Underlying: Common Stock · 806 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · security: Awarded on May 25, 2022 pursuant to the 2013 Plan.

F4 · derivative.exercise_price: Each RSU represents a contingent right to receive either one share of common stock of the Issuer or cash in lieu thereof, at the Issuer's discretion, in accordance with the terms of the 2013 Plan.

F7 · derivative.exercise_date: RSU vest as to thiry-three percent (33%) of the total number of shares subject to the RSU on 5/15/2023, and the remaining shares shall vest in eight (8) equal quarterly installments thereafter.

F7 · derivative.expiration_date: RSU vest as to thiry-three percent (33%) of the total number of shares subject to the RSU on 5/15/2023, and the remaining shares shall vest in eight (8) equal quarterly installments thereafter.

SEC source: 0001438133-24-000097 · wk-form4_1715982353.xml · derivative · entry 10

Leal James · CIK 0001866570 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 670

Underlying: Common Stock · 168 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · security: Awarded on May 18, 2021 pursuant to the Tandem Diabetes Care, Inc. 2013 Stock Incentive Plan, as amended, and the agreements related thereto (the 2013 Plan).

F4 · derivative.exercise_price: Each RSU represents a contingent right to receive either one share of common stock of the Issuer or cash in lieu thereof, at the Issuer's discretion, in accordance with the terms of the 2013 Plan.

F5 · derivative.exercise_date: RSU vest as to twenty-five percent (25%) of the total number of shares subject to the RSU on 5/15/2022, and the remaining shares shall vest in twelve (12) equal quarterly installments thereafter.

F5 · derivative.expiration_date: RSU vest as to twenty-five percent (25%) of the total number of shares subject to the RSU on 5/15/2022, and the remaining shares shall vest in twelve (12) equal quarterly installments thereafter.

SEC source: 0001438133-24-000097 · wk-form4_1715982353.xml · nonDerivative · entry 9

Leal James · CIK 0001866570 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,695

F2 · kind: Shares withheld by Tandem Diabetes Care, Inc. (the Company) to satisfy tax withholding requirements on vesting of restricted stock units (RSU). No shares were sold.

SEC source: 0001438133-24-000097 · wk-form4_1715982353.xml · nonDerivative · entry 8

Leal James · CIK 0001866570 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,072

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001438133-24-000097 · wk-form4_1715982353.xml · nonDerivative · entry 7

Leal James · CIK 0001866570 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,324

F2 · kind: Shares withheld by Tandem Diabetes Care, Inc. (the Company) to satisfy tax withholding requirements on vesting of restricted stock units (RSU). No shares were sold.

SEC source: 0001438133-24-000097 · wk-form4_1715982353.xml · nonDerivative · entry 6

Leal James · CIK 0001866570 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,275

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001438133-24-000097 · wk-form4_1715982353.xml · nonDerivative · entry 5

Leal James · CIK 0001866570 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,976

F2 · kind: Shares withheld by Tandem Diabetes Care, Inc. (the Company) to satisfy tax withholding requirements on vesting of restricted stock units (RSU). No shares were sold.

SEC source: 0001438133-24-000097 · wk-form4_1715982353.xml · nonDerivative · entry 4

Leal James · CIK 0001866570 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,310

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001438133-24-000097 · wk-form4_1715982353.xml · nonDerivative · entry 3

Leal James · CIK 0001866570 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,504

F2 · kind: Shares withheld by Tandem Diabetes Care, Inc. (the Company) to satisfy tax withholding requirements on vesting of restricted stock units (RSU). No shares were sold.

SEC source: 0001438133-24-000097 · wk-form4_1715982353.xml · nonDerivative · entry 2

Leal James · CIK 0001866570 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,574

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001438133-24-000097 · wk-form4_1715982353.xml · nonDerivative · entry 1

Leal James · CIK 0001866570 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,406

F1 · shares: The reporting person is voluntarily reporting the acquisition of shares of common stock pursuant to the Tandem Diabetes Care, Inc. Amended and Restated 2013 Employee Stock Purchase Plan (ESPP), for the ESPP purchase period of November 16, 2023 through May 15, 2024. This transaction is also exempt under Rule 16b-3(c).

SEC source: 0001438133-24-000034 · wk-form4_1709244729.xml · derivative · entry 3

Leal James · CIK 0001866570 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 310

Underlying: Common Stock · 309 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · security: Awarded on May 27, 2020 pursuant to the Tandem Diabetes Care, Inc. 2013 Stock Incentive Plan, as amended, and the agreements related thereto (the 2013 Plan).

F3 · derivative.exercise_price: Each RSU represents a contingent right to receive either one share of common stock of the Issuer or cash in lieu thereof, at the Issuer's discretion, in accordance with the terms of the 2013 Plan.

F4 · derivative.exercise_date: RSU vest as to twenty-five percent (25%) of the total number of shares subject to the RSU on May 27, 2021, and the remaining shares shall vest in twelve (12) equal quarterly installments thereafter.

F4 · derivative.expiration_date: RSU vest as to twenty-five percent (25%) of the total number of shares subject to the RSU on May 27, 2021, and the remaining shares shall vest in twelve (12) equal quarterly installments thereafter.

SEC source: 0001438133-24-000034 · wk-form4_1709244729.xml · nonDerivative · entry 2

Leal James · CIK 0001866570 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,816

F1 · kind: Shares withheld by Tandem Diabetes Care, Inc. (the Company) to satisfy tax withholding requirements on vesting of restricted stock units (RSU). No shares were sold.

SEC source: 0001438133-24-000034 · wk-form4_1709244729.xml · nonDerivative · entry 1

Leal James · CIK 0001866570 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,941

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001438133-24-000013 · wk-form4_1708475208.xml · derivative · entry 6

Leal James · CIK 0001866570 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,029

Underlying: Common Stock · 806 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · security: Awarded on May 25, 2022 pursuant to the 2013 Plan.

F3 · derivative.exercise_price: Each RSU represents a contingent right to receive either one share of common stock of the Issuer or cash in lieu thereof, at the Issuer's discretion, in accordance with the terms of the 2013 Plan.

F6 · derivative.exercise_date: RSU vest as to thirty-three percent (33%) of the total number of shares subject to the RSU on 5/15/2023, and the remaining shares shall vest in eight (8) equal quarterly installments thereafter.

F6 · derivative.expiration_date: RSU vest as to thirty-three percent (33%) of the total number of shares subject to the RSU on 5/15/2023, and the remaining shares shall vest in eight (8) equal quarterly installments thereafter.

SEC source: 0001438133-24-000013 · wk-form4_1708475208.xml · derivative · entry 5

Leal James · CIK 0001866570 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 838

Underlying: Common Stock · 167 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · security: Awarded on May 18, 2021 pursuant to the Tandem Diabetes Care, Inc. 2013 Stock Incentive Plan, as amended, and the agreements related thereto (the 2013 Plan).

F3 · derivative.exercise_price: Each RSU represents a contingent right to receive either one share of common stock of the Issuer or cash in lieu thereof, at the Issuer's discretion, in accordance with the terms of the 2013 Plan.

F4 · derivative.exercise_date: RSU vest as to twenty-five percent (25%) of the total number of shares subject to the RSU on 5/15/2022, and the remaining shares shall vest in twelve (12) equal quarterly installments thereafter.

F4 · derivative.expiration_date: RSU vest as to twenty-five percent (25%) of the total number of shares subject to the RSU on 5/15/2022, and the remaining shares shall vest in twelve (12) equal quarterly installments thereafter.

SEC source: 0001438133-24-000013 · wk-form4_1708475208.xml · nonDerivative · entry 4

Leal James · CIK 0001866570 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,632

F1 · kind: Shares withheld by Tandem Diabetes Care, Inc. (the Company) to satisfy tax withholding requirements on vesting of restricted stock units (RSU). No shares were sold.

SEC source: 0001438133-24-000013 · wk-form4_1708475208.xml · nonDerivative · entry 3

Leal James · CIK 0001866570 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,008

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001438133-24-000013 · wk-form4_1708475208.xml · nonDerivative · entry 2

Leal James · CIK 0001866570 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,202

F1 · kind: Shares withheld by Tandem Diabetes Care, Inc. (the Company) to satisfy tax withholding requirements on vesting of restricted stock units (RSU). No shares were sold.

SEC source: 0001438133-24-000013 · wk-form4_1708475208.xml · nonDerivative · entry 1

Leal James · CIK 0001866570 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,280

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001438133-23-000247 · wk-form4_1701292166.xml · derivative · entry 3

Leal James · CIK 0001866570 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 619

Underlying: Common Stock · 310 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · security: Awarded on May 27, 2020 pursuant to the Tandem Diabetes Care, Inc. 2013 Stock Incentive Plan, as amended, and the agreements related thereto (the 2013 Plan).

F3 · derivative.exercise_price: Each RSU represents a contingent right to receive either one share of common stock of the Issuer or cash in lieu thereof, at the Issuer's discretion, in accordance with the terms of the 2013 Plan.

F4 · derivative.exercise_date: RSU vest as to twenty-five percent (25%) of the total number of shares subject to the RSU on 5/27/2021, and the remaining shares shall vest in twelve (12) equal quarterly installments thereafter.

F4 · derivative.expiration_date: RSU vest as to twenty-five percent (25%) of the total number of shares subject to the RSU on 5/27/2021, and the remaining shares shall vest in twelve (12) equal quarterly installments thereafter.

SEC source: 0001438133-23-000247 · wk-form4_1701292166.xml · nonDerivative · entry 2

Leal James · CIK 0001866570 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,113

F1 · kind: Shares withheld by Tandem Diabetes Care, Inc. (the Company) to satisfy tax withholding requirements on vesting of restricted stock units (RSU). No shares were sold.

SEC source: 0001438133-23-000247 · wk-form4_1701292166.xml · nonDerivative · entry 1

Leal James · CIK 0001866570 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,242

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001438133-23-000231 · wk-form4_1700255469.xml · derivative · entry 7

Leal James · CIK 0001866570 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,835

Underlying: Common Stock · 805 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · security: Awarded on May 25, 2022 pursuant to the 2013 Plan.

F4 · derivative.exercise_price: Each RSU represents a contingent right to receive either one share of common stock of the Issuer or cash in lieu thereof, at the Issuer's discretion, in accordance with the terms of the 2013 Plan.

F7 · derivative.exercise_date: RSU vest as to thirty-three percent (33%) of the total number of shares subject to the RSU on the 15th day of the month that corresponds to the anniversary of the grant date, and the remaining shares shall vest in eight (8) equal quarterly installments thereafter, subject to the terms of the 2013 Plan.

F7 · derivative.expiration_date: RSU vest as to thirty-three percent (33%) of the total number of shares subject to the RSU on the 15th day of the month that corresponds to the anniversary of the grant date, and the remaining shares shall vest in eight (8) equal quarterly installments thereafter, subject to the terms of the 2013 Plan.

SEC source: 0001438133-23-000231 · wk-form4_1700255469.xml · derivative · entry 6

Leal James · CIK 0001866570 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,005

Underlying: Common Stock · 168 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · security: Awarded on May 18, 2021 pursuant to the Tandem Diabetes Care, Inc. 2013 Stock Incentive Plan, as amended, and the agreements related thereto (the 2013 Plan).

F4 · derivative.exercise_price: Each RSU represents a contingent right to receive either one share of common stock of the Issuer or cash in lieu thereof, at the Issuer's discretion, in accordance with the terms of the 2013 Plan.

F5 · derivative.exercise_date: RSU vest as to twenty-five percent (25%) of the total number of shares subject to the RSU on the 15th day of the month that corresponds to the anniversary of the grant date, and the remaining shares shall vest in twelve (12) equal quarterly installments thereafter, subject to the terms of the 2013 Plan.

F5 · derivative.expiration_date: RSU vest as to twenty-five percent (25%) of the total number of shares subject to the RSU on the 15th day of the month that corresponds to the anniversary of the grant date, and the remaining shares shall vest in twelve (12) equal quarterly installments thereafter, subject to the terms of the 2013 Plan.

SEC source: 0001438133-23-000231 · wk-form4_1700255469.xml · nonDerivative · entry 5

Leal James · CIK 0001866570 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,932

F2 · kind: Shares withheld by Tandem Diabetes Care, Inc. (the Company) to satisfy tax withholding requirements on vesting of restricted stock units (RSU). No shares were sold.

SEC source: 0001438133-23-000231 · wk-form4_1700255469.xml · nonDerivative · entry 4

Leal James · CIK 0001866570 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,265

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001438133-23-000231 · wk-form4_1700255469.xml · nonDerivative · entry 3

Leal James · CIK 0001866570 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,460

F2 · kind: Shares withheld by Tandem Diabetes Care, Inc. (the Company) to satisfy tax withholding requirements on vesting of restricted stock units (RSU). No shares were sold.

SEC source: 0001438133-23-000231 · wk-form4_1700255469.xml · nonDerivative · entry 2

Leal James · CIK 0001866570 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,530

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001438133-23-000231 · wk-form4_1700255469.xml · nonDerivative · entry 1

Leal James · CIK 0001866570 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,362

F1 · shares: The reporting person is voluntarily reporting the acquisition of shares of common stock pursuant to the Tandem Diabetes Care, Inc. Amended and Restated 2013 Employee Stock Purchase Plan (ESPP), for the ESPP purchase period of May 16, 2023 through November 15, 2023. This transaction is also exempt under Rule 16b-3(c).

SEC source: 0001438133-23-000191 · wk-form4_1693426690.xml · derivative · entry 3

Leal James · CIK 0001866570 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 929

Underlying: Common Stock · 310 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · security: Awarded on May 27, 2020 pursuant to the Tandem Diabetes Care, Inc. 2013 Stock Incentive Plan, as amended, and the agreements related thereto (the 2013 Plan).

F3 · derivative.exercise_price: Each RSU represents a contingent right to receive either one share of common stock of the Issuer or cash in lieu thereof, at the Issuer's discretion, in accordance with the terms of the 2013 Plan.

F4 · derivative.exercise_date: RSU vest as to twenty-five percent (25%) of the total number of shares subject to the RSU on 5/27/2021, and the remaining shares shall vest in twelve (12) equal quarterly installments thereafter.

F4 · derivative.expiration_date: RSU vest as to twenty-five percent (25%) of the total number of shares subject to the RSU on 5/27/2021, and the remaining shares shall vest in twelve (12) equal quarterly installments thereafter.

SEC source: 0001438133-23-000191 · wk-form4_1693426690.xml · nonDerivative · entry 2

Leal James · CIK 0001866570 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,346

F1 · kind: Shares withheld by Tandem Diabetes Care, Inc. (the Company) to satisfy tax withholding requirements on vesting of restricted stock units (RSU). No shares were sold.

SEC source: 0001438133-23-000191 · wk-form4_1693426690.xml · nonDerivative · entry 1

Leal James · CIK 0001866570 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,475

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001438133-23-000174 · wk-form4_1692304562.xml · derivative · entry 6

Leal James · CIK 0001866570 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,640

Underlying: Common Stock · 806 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · security: Awarded on May 25, 2022 pursuant to the 2013 Plan, as amended, and the agreements related thereto.

F3 · derivative.exercise_price: Each RSU represents a contingent right to receive either one share of common stock of the Issuer or cash in lieu thereof, at the Issuer's discretion, in accordance with the terms of the 2013 Plan.

F6 · derivative.exercise_date: RSU vest as to thirty-three percent (33%) of the total number of shares subject to the RSU on the one-year anniversary of the grant date, and the remaining shares shall vest in eight (8) equal quarterly installments thereafter, subject to the terms of the 2013 Plan.

F6 · derivative.expiration_date: RSU vest as to thirty-three percent (33%) of the total number of shares subject to the RSU on the one-year anniversary of the grant date, and the remaining shares shall vest in eight (8) equal quarterly installments thereafter, subject to the terms of the 2013 Plan.

SEC source: 0001438133-23-000174 · wk-form4_1692304562.xml · derivative · entry 5

Leal James · CIK 0001866570 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,173

Underlying: Common Stock · 167 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · security: Awarded on May 18, 2021 pursuant to the Tandem Diabetes Care, Inc. 2013 Stock Incentive Plan, as amended, and the agreements related thereto (the 2013 Plan).

F3 · derivative.exercise_price: Each RSU represents a contingent right to receive either one share of common stock of the Issuer or cash in lieu thereof, at the Issuer's discretion, in accordance with the terms of the 2013 Plan.

F4 · derivative.exercise_date: RSU vest as to twenty-five percent (25%) of the total number of shares subject to the RSU on 5/15/2022, and the remaining shares shall vest in twelve (12) equal quarterly installments thereafter.

F4 · derivative.expiration_date: RSU vest as to twenty-five percent (25%) of the total number of shares subject to the RSU on 5/15/2022, and the remaining shares shall vest in twelve (12) equal quarterly installments thereafter.

SEC source: 0001438133-23-000174 · wk-form4_1692304562.xml · nonDerivative · entry 4

Leal James · CIK 0001866570 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,165

F1 · kind: Shares withheld by Tandem Diabetes Care, Inc. (the Company) to satisfy tax withholding requirements on vesting of restricted stock units (RSU). No shares were sold.

SEC source: 0001438133-23-000174 · wk-form4_1692304562.xml · nonDerivative · entry 3

Leal James · CIK 0001866570 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,499

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001438133-23-000174 · wk-form4_1692304562.xml · nonDerivative · entry 2

Leal James · CIK 0001866570 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,693

F1 · kind: Shares withheld by Tandem Diabetes Care, Inc. (the Company) to satisfy tax withholding requirements on vesting of restricted stock units (RSU). No shares were sold.

SEC source: 0001438133-23-000174 · wk-form4_1692304562.xml · nonDerivative · entry 1

Leal James · CIK 0001866570 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,763

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001438133-23-000125 · wf-form4_168549631059036.xml · derivative · entry 4

Leal James · CIK 0001866570 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,239

Underlying: Common Stock · 309 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_price: Each RSU represents a contingent right to receive either one share of common stock of the Issuer or cash in lieu thereof, at the Issuer's discretion, in accordance with the terms of the Tandem Diabetes Care, Inc. 2013 Stock Incentive Plan (the 2013 Plan).

F6 · derivative.exercise_date: RSU vest as to twenty-five percent (25%) of the total number of shares subject to the RSU on the one year anniversary of the grant date, and the remaining shares shall vest in twelve (12) equal quarterly installments thereafter, subject to the terms of the 2013 Plan.

F6 · derivative.expiration_date: RSU vest as to twenty-five percent (25%) of the total number of shares subject to the RSU on the one year anniversary of the grant date, and the remaining shares shall vest in twelve (12) equal quarterly installments thereafter, subject to the terms of the 2013 Plan.

SEC source: 0001438133-23-000125 · wf-form4_168549631059036.xml · nonDerivative · entry 2

Leal James · CIK 0001866570 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,596

F1 · kind: Shares withheld by Tandem Diabetes Care, Inc. (the Company) to satisfy tax withholding requirements on vesting of restricted stock units (RSU). No shares were sold.

SEC source: 0001438133-23-000125 · wf-form4_168549631059036.xml · nonDerivative · entry 1

Leal James · CIK 0001866570 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,724

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001438133-23-000125 · wf-form4_168549631059036.xml · derivative · entry 3

Leal James · CIK 0001866570 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,245

Underlying: Common Stock · 17,245 shares

Expires not disclosed

F2 · security: Awarded on May 25, 2023 pursuant to the Tandem Diabetes Care, Inc. 2023 Long-Term Incentive Plan (the 2023 Plan).

F3 · derivative.exercise_price: Each RSU represents a contingent right to receive either one share of common stock of the Issuer or cash in lieu thereof, at the Issuer's discretion, in accordance with the terms of the 2023 Plan.

F4 · derivative.exercise_date: RSU vest as to thiry-three percent (33%) of the total number of shares subject to the RSU on 5/15/2024, and the remaining shares shall vest in eight (8) equal quarterly installments thereafter.

F4 · derivative.expiration_date: RSU vest as to thiry-three percent (33%) of the total number of shares subject to the RSU on 5/15/2024, and the remaining shares shall vest in eight (8) equal quarterly installments thereafter.

SEC source: 0001438133-23-000080 · wf-form4_168436130062849.xml · derivative · entry 8

Leal James · CIK 0001866570 · Chief Manufacturing Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,796

Underlying: Common Stock · 6,898 shares

Expires not disclosed

F3 · derivative.exercise_price: Each restricted stock unit (RSU) represents a contingent right to receive either one share of common stock of the Issuer or cash in lieu thereof, at the Issuer's discretion, in accordance with the terms of the Tandem Diabetes Care, Inc. 2013 Stock Incentive Plan (the 2013 Plan).

F6 · derivative.exercise_date: RSU vest as to thirty-three percent (33%) of the total number of shares subject to the RSU on the 15th day of the month that corresponds to the anniversary of the grant date, and the remaining shares shall vest in eight (8) equal quarterly installments thereafter, subject to the terms of the 2013 Plan.

F6 · derivative.expiration_date: RSU vest as to thirty-three percent (33%) of the total number of shares subject to the RSU on the 15th day of the month that corresponds to the anniversary of the grant date, and the remaining shares shall vest in eight (8) equal quarterly installments thereafter, subject to the terms of the 2013 Plan.