Allen Dick

SEC source: 0001438133-26-000080 · wk-form4_1779500208.xml · derivative · entry 4

Allen Dick · CIK 0001582779 · Chair Emeritus

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 8,759 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 · derivative.exercise_price: Each restricted stock units (RSU) represents a contingent right to receive either one share of the Issuers common stock or cash in lieu thereof, at the Issuers 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).

F4 · derivative.exercise_date: On May 21, 2025, the Reporting Person was granted 8,759 RSUs, all of which vested and converted into shares of the Issuers common stock on the one-year anniversary thereof in accordance with the 2023 Plan.

F4 · derivative.expiration_date: On May 21, 2025, the Reporting Person was granted 8,759 RSUs, all of which vested and converted into shares of the Issuers common stock on the one-year anniversary thereof in accordance with the 2023 Plan.

SEC source: 0001438133-26-000080 · wk-form4_1779500208.xml · nonDerivative · entry 1

Allen Dick · CIK 0001582779 · Chair Emeritus

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,146

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: 0001438133-26-000080 · wk-form4_1779500208.xml · derivative · entry 3

Allen Dick · CIK 0001582779 · Chair Emeritus

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,220

Underlying: Common Stock · 10,220 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock units (RSU) represents a contingent right to receive either one share of the Issuers common stock or cash in lieu thereof, at the Issuers 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).

F3 · derivative.exercise_date: Such RSUs were granted to the Reporting Person on May 20, 2026, and will vest on the one-year anniversary thereof, subject to the terms of the 2023 Plan.

F3 · derivative.expiration_date: Such RSUs were granted to the Reporting Person on May 20, 2026, and will vest on the one-year anniversary thereof, subject to the terms of the 2023 Plan.

SEC source: 0001438133-25-000119 · wk-form4_1749068696.xml · nonDerivative · entry 1

Allen Dick · CIK 0001582779 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 0

F1 · kind: The shares were given as a bona fide gift to Jake Allen Gammon.

F2 · price: The price per share reflects the average of the high and low trading prices of the Company's stock on the transaction date.

F3 · ownership.nature: The securities are held by the Gammon Children's 2000 Trust FBO Jake Allen Gammon. The Reporting Person is co-trustee of the Gammon Children's 2000 Trust FBO Jake Allen Gammon and has shared voting and investment power over the securities held by the Gammon Children's 2000 Trust FBO Jake Allen Gammon and may be deemed to have indirect beneficial ownership of such securities. The Reporting Person disclaims beneficial ownership of such securities held by the Gammon Children's 2000 Trust FBO Jake Allen Gammon.

SEC source: 0001438133-25-000102 · wk-form4_1748030559.xml · derivative · entry 4

Allen Dick · CIK 0001582779 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 4,387 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 22, 2024 pursuant to the Tandem Diabetes Care, Inc. 2023 Long-Term Incentive Plan, as amended, and agreements related thereto (the 2023 Plan).

F4 · 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.

F5 · derivative.exercise_date: RSU will vest on the one-year anniversary of the grant date, subject to the terms of the 2023 Plan.

F5 · derivative.expiration_date: RSU will vest on the one-year anniversary of the grant date, subject to the terms of the 2023 Plan.

SEC source: 0001438133-25-000102 · wk-form4_1748030559.xml · nonDerivative · entry 1

Allen Dick · CIK 0001582779 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,387

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: 0001438133-25-000102 · wk-form4_1748030559.xml · derivative · entry 5

Allen Dick · CIK 0001582779 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,759

Underlying: Common Stock · 8,759 shares

Expires not disclosed

F6 · security: Awarded on May 21, 2025 pursuant to the 2023 Plan.

F4 · 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.

F5 · derivative.exercise_date: RSU will vest on the one-year anniversary of the grant date, subject to the terms of the 2023 Plan.

F5 · derivative.expiration_date: RSU will vest on the one-year anniversary of the grant date, subject to the terms of the 2023 Plan.

SEC source: 0001438133-24-000180 · wk-form4_1723236714.xml · nonDerivative · entry 1

Allen Dick · CIK 0001582779 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 22,757

F1 · kind: The shares were given as a bona fide gift.

F2 · price: The price per share reflects the average of the high and low trading prices of Tandem Diabetes Care, Inc. (the Company) stock on the transaction date.

F3 · ownership.nature: The securities are held by the Allen Family Trust dated October 12, 1981.

SEC source: 0001438133-24-000155 · wk-form4_1718309434.xml · nonDerivative · entry 2

Allen Dick · CIK 0001582779 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 29,396

F1 · kind: The reported transaction was a transfer of shares from Mr. Allen's direct holdings to the Allen Family Trust dated October 12, 1981.

F2 · ownership.nature: The securities are held by the Allen Family Trust dated October 12, 1981.

SEC source: 0001438133-24-000155 · wk-form4_1718309434.xml · nonDerivative · entry 1

Allen Dick · CIK 0001582779 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,000

F1 · kind: The reported transaction was a transfer of shares from Mr. Allen's direct holdings to the Allen Family Trust dated October 12, 1981.

SEC source: 0001438133-24-000150 · wk-form4_1718059204.xml · nonDerivative · entry 1

Allen Dick · CIK 0001582779 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 20,000

F1 · kind: The shares were given as a bona fide gift to The Gammon Family Trust, dated April 18, 2000.

F2 · price: The price per share reflects the average of the high and low trading prices of Tandem Diabetes Care, Inc. (the Company) stock on the transaction date.

F3 · ownership.nature: The securities are held by the Allen Family Trust dated October 12, 1981.

SEC source: 0001438133-24-000148 · wk-form4_1717446134.xml · nonDerivative · entry 1

Allen Dick · CIK 0001582779 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 0

F1 · price: The price reported reflects the weighted average price per share of multiple transactions with prices per share ranging between $51.62 to $51.70.

F2 · ownership.nature: The securities are held by Allen Cornerstone Ventures L.P. The Reporting Person is the managing partner of Allen Cornerstone Ventures L.P. and may be deemed to have indirect beneficial ownership of such securities. The Reporting Person disclaims beneficial ownership of such securities held by Allen Cornerstone Ventures L.P., except to the extent of his proportionate pecuniary interest therein.

SEC source: 0001438133-24-000120 · wk-form4_1716592878.xml · derivative · entry 6

Allen Dick · CIK 0001582779 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 4,434 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.

F7 · security: Awarded on May 24, 2023 pursuant to the 2023 Plan.

F5 · 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.

F6 · derivative.exercise_date: RSU will vest on the one-year anniversary of the grant date, subject to the terms of the 2023 Plan.

F6 · derivative.expiration_date: RSU will vest on the one-year anniversary of the grant date, subject to the terms of the 2023 Plan.

SEC source: 0001438133-24-000120 · wk-form4_1716592878.xml · nonDerivative · entry 1

Allen Dick · CIK 0001582779 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,396

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: 0001438133-24-000120 · wk-form4_1716592878.xml · derivative · entry 5

Allen Dick · CIK 0001582779 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,387

Underlying: Common Stock · 4,387 shares

Expires not disclosed

F4 · security: Awarded on May 22, 2024 pursuant to the Tandem Diabetes Care, Inc. 2023 Long-Term Incentive Plan (the 2023 Plan).

F5 · 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.

F6 · derivative.exercise_date: RSU will vest on the one-year anniversary of the grant date, subject to the terms of the 2023 Plan.

F6 · derivative.expiration_date: RSU will vest on the one-year anniversary of the grant date, subject to the terms of the 2023 Plan.

SEC source: 0001438133-23-000250 · wk-form4_1701292228.xml · nonDerivative · entry 1

Allen Dick · CIK 0001582779 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,962

SEC source: 0001438133-23-000112 · wf-form4_168513257286725.xml · derivative · entry 6

Allen Dick · CIK 0001582779 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,757 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.

F7 · security: Awarded on May 25, 2022 pursuant to the Tandem Diabetes Care, Inc. 2013 Stock Incentive Plan, as amended, and the agreements related thereto (the 2013 Plan).

F8 · 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 will vest on the one-year anniversary of the grant date, subject to the terms of the 2013 Plan.

F9 · derivative.expiration_date: RSU will vest on the one-year anniversary of the grant date, subject to the terms of the 2013 Plan.

SEC source: 0001438133-23-000112 · wf-form4_168513257286725.xml · nonDerivative · entry 1

Allen Dick · CIK 0001582779 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,962

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: 0001438133-23-000112 · wf-form4_168513257286725.xml · derivative · entry 5

Allen Dick · CIK 0001582779 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,434

Underlying: Common Stock · 4,434 shares

Expires not disclosed

F4 · security: Awarded on May 24, 2023 pursuant to the Tandem Diabetes Care, Inc. 2023 Long-Term Incentive Plan (the 2023 Plan).

F5 · 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.

F6 · derivative.exercise_date: RSU will vest on the one-year anniversary of the grant date, subject to the terms of the 2023 Plan.

F6 · derivative.expiration_date: RSU will vest on the one-year anniversary of the grant date, subject to the terms of the 2023 Plan.

SEC source: 0001438133-23-000092 · wf-form4_168480062273571.xml · nonDerivative · entry 4

Allen Dick · CIK 0001582779 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F3 · kind: The shares were given as a bona fide gift to Hannah Lee Gammon.

F4 · price: The price per share reflects the average of the high and low trading prices of the Company's stock on the transaction date.

F5 · ownership.nature: The securities are held by the Gammon Children's 2000 Trust FBO Hannah Lee Gammon. The Reporting Person is co-trustee of the Gammon Children's 2000 Trust FBO Hannah Lee Gammon and has shared voting and investment power over the securities held by the Gammon Children's 2000 Trust FBO Hannah Lee Gammon and may be deemed to have indirect beneficial ownership of such securities. The Reporting Person disclaims beneficial ownership of such securities held by the Gammon Children's 2000 Trust FBO Hannah Lee Gammon.

SEC source: 0001438133-23-000092 · wf-form4_168480062273571.xml · nonDerivative · entry 1

Allen Dick · CIK 0001582779 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,205

SEC source: 0001438133-22-000125 · wf-form4_165370244574707.xml · derivative · entry 6

Allen Dick · CIK 0001582779 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,757

Underlying: Common Stock · 2,757 shares

Expires not disclosed

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

F7 · derivative.exercise_date: RSU will vest on the one-year anniversary of the grant date, subject to the terms of the 2013 Plan.

F7 · derivative.expiration_date: RSU will vest on the one-year anniversary of the grant date, subject to the terms of the 2013 Plan.

SEC source: 0001438133-22-000089 · wf-form4_165300268988092.xml · derivative · entry 6

Allen Dick · CIK 0001582779 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,205 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 18, 2021 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 restricted stock (RSU) unit represents a contingent right to receive one share of common stock of the Company.

F7 · derivative.exercise_date: Shares will vest on the one year anniversary of the grant date, subject to the terms of the 2013 Plan.

F7 · derivative.expiration_date: Shares will vest on the one year anniversary of the grant date, subject to the terms of the 2013 Plan.

SEC source: 0001438133-22-000089 · wf-form4_165300268988092.xml · nonDerivative · entry 1

Allen Dick · CIK 0001582779 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,205

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: 0001438133-21-000131 · wf-form4_162914651386191.xml · nonDerivative · entry 1

Allen Dick · CIK 0001582779 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 21,892

F1 · kind: The shares were given as a bona fide gift to Hoag Hospital.

F2 · price: The price per share reflects the average of the high and low trading prices of the Company's stock on the transaction date.

F3 · ownership.nature: The securities are held by the Allen Family Trust dated October 12, 1981.

SEC source: 0001438133-21-000112 · wf-form4_162802627981286.xml · nonDerivative · entry 1

Allen Dick · CIK 0001582779 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes)

Disclosed balance after: 5,000

F1 · kind: The shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 4, 2021.

F2 · ownership.nature: The securities are held by Allen Cornerstone Ventures L.P. The Reporting Person is the managing partner of Allen Cornerstone Ventures L.P. and may be deemed to have indirect beneficial ownership of such securities. The Reporting Person disclaims beneficial ownership of such securities held by Allen Cornerstone Ventures L.P., except to the extent of his proportionate pecuniary interest therein.

SEC source: 0001438133-21-000100 · wf-form4_162371592117007.xml · nonDerivative · entry 2

Allen Dick · CIK 0001582779 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 26,892

F1 · kind: The reported transaction was a transfer of shares from Mr. Allen's direct holdings to the Allen Family Trust.

F2 · ownership.nature: The securities are held by the Allen Family Trust dated October 12, 1981.

SEC source: 0001438133-21-000100 · wf-form4_162371592117007.xml · nonDerivative · entry 1

Allen Dick · CIK 0001582779 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · kind: The reported transaction was a transfer of shares from Mr. Allen's direct holdings to the Allen Family Trust.

SEC source: 0001438133-21-000074 · wf-form4_162258930001208.xml · derivative · entry 6

Allen Dick · CIK 0001582779 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,892 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: Granted pursuant to the Tandem Diabetes Care, Inc. 2013 Stock Incentive Plan (the 2013 Plan).

F6 · derivative.exercise_price: Each restricted stock unit (RSU) represents a contingent right to receive one share of common stock of the Company.

F7 · kind: This RSU award was granted on May 27, 2020. 100% of the RSU vested on May 27, 2021.

F8 · derivative.exercise_date: RSU vest as to one-hundred percent (100%) of the total number of shares subject to the RSU on 5/27/2021.

F8 · derivative.expiration_date: RSU vest as to one-hundred percent (100%) of the total number of shares subject to the RSU on 5/27/2021.

SEC source: 0001438133-21-000074 · wf-form4_162258930001208.xml · nonDerivative · entry 1

Allen Dick · CIK 0001582779 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,892

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: 0001438133-21-000040 · wf-form4_162155942751025.xml · derivative · entry 1

Allen Dick · CIK 0001582779 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,205

Underlying: Common Stock · 2,205 shares

Expires not disclosed

F1 · 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").

F2 · 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 2013 Plan.

F3 · derivative.exercise_date: RSU will vest on the one-year anniversary of the grant date, subject to the terms of the 2013 Plan.

F3 · derivative.expiration_date: RSU will vest on the one-year anniversary of the grant date, subject to the terms of the 2013 Plan.

SEC source: 0001438133-20-000156 · wf-form4_160521771779487.xml · derivative · entry 14

Allen Dick · CIK 0001582779 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,700 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.

F15 · derivative.exercise_date: Shares vested in twelve (12) equal monthly installments from November 16, 2015.

F13 · derivative.expiration_date: The expiration date for these options is 10 years from the date of grant.

SEC source: 0001438133-20-000156 · wf-form4_160521771779487.xml · derivative · entry 13

Allen Dick · CIK 0001582779 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,000

Underlying: Common Stock · 15,000 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.

F14 · derivative.exercise_date: Shares vested in twelve (12) equal monthly installments from November 15, 2018.

F13 · derivative.expiration_date: The expiration date for these options is 10 years from the date of grant.

SEC source: 0001438133-20-000156 · wf-form4_160521771779487.xml · derivative · entry 12

Allen Dick · CIK 0001582779 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,732 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.

F12 · derivative.exercise_date: Shares vested in twelve (12) equal monthly installments from June 18, 2019.

F13 · derivative.expiration_date: The expiration date for these options is 10 years from the date of grant.

SEC source: 0001438133-20-000156 · wf-form4_160521771779487.xml · nonDerivative · entry 8

Allen Dick · CIK 0001582779 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 25,000

F8 · kind: The shares were given as a bona fide gift to Brett R. Allen and Portia N. Langworthy, JTTEN

F7 · price: The price per share reflects the average of the high and low trading prices of the Company's stock on the transaction date.

F2 · ownership.nature: The securities are held by the Allen Family Trust dated October 12, 1981.

SEC source: 0001438133-20-000156 · wf-form4_160521771779487.xml · nonDerivative · entry 7

Allen Dick · CIK 0001582779 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 27,500

F6 · kind: The shares were given as a bona fide gift to The Gammon Family Trust, 2000.

F7 · price: The price per share reflects the average of the high and low trading prices of the Company's stock on the transaction date.

F2 · ownership.nature: The securities are held by the Allen Family Trust dated October 12, 1981.

SEC source: 0001438133-20-000156 · wf-form4_160521771779487.xml · nonDerivative · entry 6

Allen Dick · CIK 0001582779 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 30,000

F5 · price: The price reported reflects the weighted average price per share of multiple transactions with prices per share ranging between $108.20 to $109.00. The Reporting Person undertakes to provide the Securities and Exchange Commission (the "SEC"), the issuer, and any security holder full information regarding the number of shares and the prices at which the shares were sold.

F2 · ownership.nature: The securities are held by the Allen Family Trust dated October 12, 1981.

SEC source: 0001438133-20-000156 · wf-form4_160521771779487.xml · nonDerivative · entry 5

Allen Dick · CIK 0001582779 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 34,478

F4 · price: The price reported reflects the weighted average price per share of multiple transactions with prices per share ranging between $107.13 to $108.05. The Reporting Person undertakes to provide the Securities and Exchange Commission (the "SEC"), the issuer, and any security holder full information regarding the number of shares and the prices at which the shares were sold.

F2 · ownership.nature: The securities are held by the Allen Family Trust dated October 12, 1981.

SEC source: 0001438133-20-000156 · wf-form4_160521771779487.xml · nonDerivative · entry 4

Allen Dick · CIK 0001582779 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 45,173

F3 · price: The price reported reflects the weighted average price per share of multiple transactions with prices per share ranging between $106.12 to $107.11. The Reporting Person undertakes to provide the Securities and Exchange Commission (the "SEC"), the issuer, and any security holder full information regarding the number of shares and the prices at which the shares were sold.

F2 · ownership.nature: The securities are held by the Allen Family Trust dated October 12, 1981.

SEC source: 0001438133-20-000156 · wf-form4_160521771779487.xml · nonDerivative · entry 3

Allen Dick · CIK 0001582779 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 50,432

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.

F1 · kind: Represents shares of common stock received upon exercise of a stock option award.

F2 · ownership.nature: The securities are held by the Allen Family Trust dated October 12, 1981.

SEC source: 0001438133-20-000156 · wf-form4_160521771779487.xml · nonDerivative · entry 2

Allen Dick · CIK 0001582779 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 46,700

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.

F1 · kind: Represents shares of common stock received upon exercise of a stock option award.

F2 · ownership.nature: The securities are held by the Allen Family Trust dated October 12, 1981.

SEC source: 0001438133-20-000156 · wf-form4_160521771779487.xml · nonDerivative · entry 1

Allen Dick · CIK 0001582779 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 31,700

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.

F1 · kind: Represents shares of common stock received upon exercise of a stock option award.

F2 · ownership.nature: The securities are held by the Allen Family Trust dated October 12, 1981.

SEC source: 0001438133-20-000128 · wf-form4_159710383099981.xml · nonDerivative · entry 7

Allen Dick · CIK 0001582779 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 30,000

F9 · kind: The shares were given as a bona fide gift to the Orange County Community Foundation (Dick and Mary Allen Donor-Advised Fund).

F2 · price: The price per share reflects the average of the high and low trading prices of the Company's stock on the transaction date.

F3 · ownership.nature: The securities are held by the Allen Family Trust dated October 12, 1981.

SEC source: 0001438133-20-000128 · wf-form4_159710383099981.xml · nonDerivative · entry 6

Allen Dick · CIK 0001582779 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 31,179

F8 · kind: The shares were given as a bona fide gift to Gage Langworthy Allen Gift Trust DTD 12-29-11; Brett R. Allen and Portia N. Langworthy TTEES.

F2 · price: The price per share reflects the average of the high and low trading prices of the Company's stock on the transaction date.

F3 · ownership.nature: The securities are held by the Allen Family Trust dated October 12, 1981.

SEC source: 0001438133-20-000128 · wf-form4_159710383099981.xml · nonDerivative · entry 5

Allen Dick · CIK 0001582779 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 31,429

F7 · kind: The shares were given as a bona fide gift to Fletcher Langworthy Allen Gift Trust DTD 10-01-09; Brett R. Allen and Portia N. Langworthy TTEES.

F2 · price: The price per share reflects the average of the high and low trading prices of the Company's stock on the transaction date.

F3 · ownership.nature: The securities are held by the Allen Family Trust dated October 12, 1981.

SEC source: 0001438133-20-000128 · wf-form4_159710383099981.xml · nonDerivative · entry 4

Allen Dick · CIK 0001582779 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 31,679

F6 · kind: The shares were given as a bona fide gift to Brett R. Allen and Portia N. Langworthy, JTTEN.

F2 · price: The price per share reflects the average of the high and low trading prices of the Company's stock on the transaction date.

F3 · ownership.nature: The securities are held by the Allen Family Trust dated October 12, 1981.

SEC source: 0001438133-20-000128 · wf-form4_159710383099981.xml · nonDerivative · entry 3

Allen Dick · CIK 0001582779 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 34,179

F5 · kind: The shares were given as a bona fide gift to Hannah Lee Gammon.

F2 · price: The price per share reflects the average of the high and low trading prices of the Company's stock on the transaction date.

F3 · ownership.nature: The securities are held by the Allen Family Trust dated October 12, 1981.

SEC source: 0001438133-20-000128 · wf-form4_159710383099981.xml · nonDerivative · entry 2

Allen Dick · CIK 0001582779 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 34,429

F4 · kind: The shares were given as a bona fide gift to Jake Allen Gammon.

F2 · price: The price per share reflects the average of the high and low trading prices of the Company's stock on the transaction date.

F3 · ownership.nature: The securities are held by the Allen Family Trust dated October 12, 1981.

SEC source: 0001438133-20-000128 · wf-form4_159710383099981.xml · nonDerivative · entry 1

Allen Dick · CIK 0001582779 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 34,679

F1 · kind: The shares were given as a bona fide gift to The Gammon Family Trust, 2000.

F2 · price: The price per share reflects the average of the high and low trading prices of the Company's stock on the transaction date.

F3 · ownership.nature: The securities are held by the Allen Family Trust dated October 12, 1981.

SEC source: 0001438133-20-000081 · wf-form4_159079990871134.xml · derivative · entry 1

Allen Dick · CIK 0001582779 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,892

Underlying: Common Stock · 1,892 shares

Expires not disclosed

F1 · 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").

F2 · derivative.exercise_price: Each restricted stock unit 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.

F3 · derivative.exercise_date: Shares will vest on the one year anniversary of the grant date, subject to the terms of the 2013 Plan.

F3 · derivative.expiration_date: Shares will vest on the one year anniversary of the grant date, subject to the terms of the 2013 Plan.