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Hansen Shannon Marie

Disclosed activity across 1 company

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22186
SEC CIK
0001908267

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
TANDEM DIABETES CARE INCTNDM · Entity 4682EVP & Chief Legal OfficerAugust 15, 2026August 18, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

TANDEM DIABETES CARE INC

Report date August 15, 2026 · Filed August 18, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect31,650 Ending reported balance After 2026-08-15 transaction · row 4
4 source rows · reconciled sequence

Row 1 · 2026-08-15 · Exercise / conversion · Acquired 1,097 · Balance 31,268

Row 2 · 2026-08-15 · Tax withholding · Disposed 559 · Balance 30,709

F1: Shares withheld by the Issuer to satisfy tax withholding requirements upon the vesting of restricted stock units (RSUs). No shares were sold.

Row 3 · 2026-08-15 · Exercise / conversion · Acquired 1,917 · Balance 32,626

Row 4 · 2026-08-15 · Tax withholding · Disposed 976 · Balance 31,650

F1: Shares withheld by the Issuer to satisfy tax withholding requirements upon the vesting of restricted stock units (RSUs). No shares were sold.

Restricted Stock UnitSEC Table II · derivative / convertible securityDirect3,290 Reported balance After 2026-08-15 transaction · row 6 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 6 · 2026-08-15 · Exercise / conversion · Disposed 1,097 · Balance 3,290

F3: Awarded on May 23, 2024 pursuant to the Tandem Diabetes Care Inc. 2023 Long-Term Incentive Plan, as amended, and agreements related thereto (the 2023 Plan).

F4: 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.

F5: One-third of the RSUs granted on May 23, 2024 vested on May 15, 2025, with the remaining RSUs vesting in eight (8) equal quarterly installments thereafter, subject to the terms of the 2023 Plan.

Restricted Stock UnitSEC Table II · derivative / convertible securityDirect13,418 Reported balance After 2026-08-15 transaction · row 7 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 7 · 2026-08-15 · Exercise / conversion · Disposed 1,917 · Balance 13,418

F6: Awarded on May 30, 2025 pursuant to the 2023 Plan.

F4: 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.

F7: One-third of the RSUs granted on May 30, 2025 vested on May 15, 2026, with the remaining RSUs vesting in eight (8) equal quarterly installments thereafter, subject to the terms of the 2023 Plan.

Common StockSEC Table I · non-derivativeIndirectShannon M. Hansen Trust1,935 Reported balance Holding disclosure · report date 2026-08-15 · row 5 Holding and transaction disclosures are not merged.
1 source row

Row 5 · Balance 1,935

F2: The securities are held by the Shannon M. Hansen Trust dated July 8, 2003, of which Shannon M. Hansen is the Trustee.

Filing footnotes · ownership attribution and instrument terms

F1: Shares withheld by the Issuer to satisfy tax withholding requirements upon the vesting of restricted stock units (RSUs). No shares were sold.

F2: The securities are held by the Shannon M. Hansen Trust dated July 8, 2003, of which Shannon M. Hansen is the Trustee.

F3: Awarded on May 23, 2024 pursuant to the Tandem Diabetes Care Inc. 2023 Long-Term Incentive Plan, as amended, and agreements related thereto (the 2023 Plan).

F4: 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.

F5: One-third of the RSUs granted on May 23, 2024 vested on May 15, 2025, with the remaining RSUs vesting in eight (8) equal quarterly installments thereafter, subject to the terms of the 2023 Plan.

F6: Awarded on May 30, 2025 pursuant to the 2023 Plan.

F7: One-third of the RSUs granted on May 30, 2025 vested on May 15, 2026, with the remaining RSUs vesting in eight (8) equal quarterly installments thereafter, subject to the terms of the 2023 Plan.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
August 15, 2026 Filed Aug 18, 2026 20:26 UTC TANDEM DIABETES CARE INC TNDM · Entity 4682 Exercise / conversionRestricted Stock Unit · Derivative 1,917 $0.00 $0.00
Disclosure

SEC source: 0001438133-26-000126 · wk-form4_1787084807.xml · derivative · entry 7

Hansen Shannon Marie · CIK 0001908267 · EVP & Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,418

Underlying: Common Stock · 1,917 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 30, 2025 pursuant to the 2023 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 2023 Plan.

F7 · derivative.exercise_date: One-third of the RSUs granted on May 30, 2025 vested on May 15, 2026, with the remaining RSUs vesting in eight (8) equal quarterly installments thereafter, subject to the terms of the 2023 Plan.

F7 · derivative.expiration_date: One-third of the RSUs granted on May 30, 2025 vested on May 15, 2026, with the remaining RSUs vesting in eight (8) equal quarterly installments thereafter, subject to the terms of the 2023 Plan.

Read SEC document
August 15, 2026 Filed Aug 18, 2026 20:26 UTC TANDEM DIABETES CARE INC TNDM · Entity 4682 Exercise / conversionRestricted Stock Unit · Derivative 1,097 $0.00 $0.00
Disclosure

SEC source: 0001438133-26-000126 · wk-form4_1787084807.xml · derivative · entry 6

Hansen Shannon Marie · CIK 0001908267 · EVP & Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,290

Underlying: Common Stock · 1,097 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 23, 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 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: One-third of the RSUs granted on May 23, 2024 vested on May 15, 2025, with the remaining RSUs vesting in eight (8) equal quarterly installments thereafter, subject to the terms of the 2023 Plan.

F5 · derivative.expiration_date: One-third of the RSUs granted on May 23, 2024 vested on May 15, 2025, with the remaining RSUs vesting in eight (8) equal quarterly installments thereafter, subject to the terms of the 2023 Plan.

Read SEC document
August 15, 2026 Filed Aug 18, 2026 20:26 UTC TANDEM DIABETES CARE INC TNDM · Entity 4682 Tax withholdingCommon Stock 976 $22.72 $22,174.72
Disclosure

SEC source: 0001438133-26-000126 · wk-form4_1787084807.xml · nonDerivative · entry 4

Hansen Shannon Marie · CIK 0001908267 · EVP & Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,650

F1 · kind: Shares withheld by the Issuer to satisfy tax withholding requirements upon the vesting of restricted stock units (RSUs). No shares were sold.

Read SEC document
August 15, 2026 Filed Aug 18, 2026 20:26 UTC TANDEM DIABETES CARE INC TNDM · Entity 4682 Exercise / conversionCommon Stock 1,917 $0.00 $0.00
Disclosure

SEC source: 0001438133-26-000126 · wk-form4_1787084807.xml · nonDerivative · entry 3

Hansen Shannon Marie · CIK 0001908267 · EVP & Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,626

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.

Read SEC document
August 15, 2026 Filed Aug 18, 2026 20:26 UTC TANDEM DIABETES CARE INC TNDM · Entity 4682 Tax withholdingCommon Stock 559 $22.72 $12,700.48
Disclosure

SEC source: 0001438133-26-000126 · wk-form4_1787084807.xml · nonDerivative · entry 2

Hansen Shannon Marie · CIK 0001908267 · EVP & Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,709

F1 · kind: Shares withheld by the Issuer to satisfy tax withholding requirements upon the vesting of restricted stock units (RSUs). No shares were sold.

Read SEC document
August 15, 2026 Filed Aug 18, 2026 20:26 UTC TANDEM DIABETES CARE INC TNDM · Entity 4682 Exercise / conversionCommon Stock 1,097 $0.00 $0.00
Disclosure

SEC source: 0001438133-26-000126 · wk-form4_1787084807.xml · nonDerivative · entry 1

Hansen Shannon Marie · CIK 0001908267 · EVP & Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,268

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.

Read SEC document
May 29, 2026 Filed Jun 2, 2026 20:20 UTC TANDEM DIABETES CARE INC TNDM · Entity 4682 GrantRestricted Stock Unit · Derivative 29,136 $0.00 $0.00
Disclosure

SEC source: 0001438133-26-000107 · wk-form4_1780431640.xml · derivative · entry 1

Hansen Shannon Marie · CIK 0001908267 · EVP & Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,136

Underlying: Common Stock · 29,136 shares

Expires not disclosed

F1 · derivative.exercise_price: 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).

F2 · derivative.exercise_date: 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 subject to the terms of the 2023 Plan.

F2 · derivative.expiration_date: 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 subject to the terms of the 2023 Plan.

Read SEC document
May 15, 2026 Filed May 19, 2026 20:12 UTC TANDEM DIABETES CARE INC TNDM · Entity 4682 Exercise / conversionRestricted Stock Unit · Derivative 7,667 $0.00 $0.00
Disclosure

SEC source: 0001438133-26-000064 · wk-form4_1779221525.xml · derivative · entry 11

Hansen Shannon Marie · CIK 0001908267 · EVP & Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,335

Underlying: Common Stock · 7,667 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.

F9 · security: Awarded on May 30, 2025 pursuant to the 2023 Plan.

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 2023 Plan.

F10 · derivative.exercise_date: RSU vest as to thirty-three percent (33%) of the total number of shares subject to the RSU on 5/15/2026, and the remaining shares shall vest in eight (8) equal quarterly installments thereafter.

F10 · derivative.expiration_date: RSU vest as to thirty-three percent (33%) of the total number of shares subject to the RSU on 5/15/2026, and the remaining shares shall vest in eight (8) equal quarterly installments thereafter.

Read SEC document
May 15, 2026 Filed May 19, 2026 20:12 UTC TANDEM DIABETES CARE INC TNDM · Entity 4682 Exercise / conversionRestricted Stock Unit · Derivative 1,097 $0.00 $0.00
Disclosure

SEC source: 0001438133-26-000064 · wk-form4_1779221525.xml · derivative · entry 10

Hansen Shannon Marie · CIK 0001908267 · EVP & Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,387

Underlying: Common Stock · 1,097 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 23, 2024 pursuant to the 2023 Plan.

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 2023 Plan.

F8 · 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.

F8 · 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.

Read SEC document
May 15, 2026 Filed May 19, 2026 20:12 UTC TANDEM DIABETES CARE INC TNDM · Entity 4682 Exercise / conversionRestricted Stock Unit · Derivative 1,437 $0.00 $0.00
Disclosure

SEC source: 0001438133-26-000064 · wk-form4_1779221525.xml · derivative · entry 9

Hansen Shannon Marie · CIK 0001908267 · EVP & Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,437 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.

F4 · security: Awarded on May 25, 2023 pursuant to the Tandem Diabetes Care Inc. 2023 Long-Term Incentive Plan, as amended, and agreements related thereto (the 2023 Plan).

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 2023 Plan.

F6 · derivative.exercise_date: RSU vest as to thirty-three percent (33%) of the total number of shares subject to the RSU on 5/15/2024, 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 5/15/2024, and the remaining shares shall vest in eight (8) equal quarterly installments thereafter.

Read SEC document
May 15, 2026 Filed May 19, 2026 20:12 UTC TANDEM DIABETES CARE INC TNDM · Entity 4682 GrantCommon Stock 1,886 $10.90 $20,557.40
Disclosure

SEC source: 0001438133-26-000064 · wk-form4_1779221525.xml · nonDerivative · entry 7

Hansen Shannon Marie · CIK 0001908267 · EVP & Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,171

F2 · kind: 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 18, 2025, through May 15, 2026. This transaction is also exempt under Rule 16b-3(c).

Read SEC document
May 15, 2026 Filed May 19, 2026 20:12 UTC TANDEM DIABETES CARE INC TNDM · Entity 4682 Tax withholdingCommon Stock 3,901 $12.82 $50,010.82
Disclosure

SEC source: 0001438133-26-000064 · wk-form4_1779221525.xml · nonDerivative · entry 6

Hansen Shannon Marie · CIK 0001908267 · EVP & Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,285

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.

Read SEC document
May 15, 2026 Filed May 19, 2026 20:12 UTC TANDEM DIABETES CARE INC TNDM · Entity 4682 Exercise / conversionCommon Stock 7,667 $0.00 $0.00
Disclosure

SEC source: 0001438133-26-000064 · wk-form4_1779221525.xml · nonDerivative · entry 5

Hansen Shannon Marie · CIK 0001908267 · EVP & Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,186

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.

Read SEC document
May 15, 2026 Filed May 19, 2026 20:12 UTC TANDEM DIABETES CARE INC TNDM · Entity 4682 Tax withholdingCommon Stock 559 $12.82 $7,166.38
Disclosure

SEC source: 0001438133-26-000064 · wk-form4_1779221525.xml · nonDerivative · entry 4

Hansen Shannon Marie · CIK 0001908267 · EVP & Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,519

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.

Read SEC document
May 15, 2026 Filed May 19, 2026 20:12 UTC TANDEM DIABETES CARE INC TNDM · Entity 4682 Exercise / conversionCommon Stock 1,097 $0.00 $0.00
Disclosure

SEC source: 0001438133-26-000064 · wk-form4_1779221525.xml · nonDerivative · entry 3

Hansen Shannon Marie · CIK 0001908267 · EVP & Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,078

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.

Read SEC document
May 15, 2026 Filed May 19, 2026 20:12 UTC TANDEM DIABETES CARE INC TNDM · Entity 4682 Tax withholdingCommon Stock 732 $12.82 $9,384.24
Disclosure

SEC source: 0001438133-26-000064 · wk-form4_1779221525.xml · nonDerivative · entry 2

Hansen Shannon Marie · CIK 0001908267 · EVP & Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,981

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.

Read SEC document
May 15, 2026 Filed May 19, 2026 20:12 UTC TANDEM DIABETES CARE INC TNDM · Entity 4682 Exercise / conversionCommon Stock 1,437 $0.00 $0.00
Disclosure

SEC source: 0001438133-26-000064 · wk-form4_1779221525.xml · nonDerivative · entry 1

Hansen Shannon Marie · CIK 0001908267 · EVP & Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,713

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.

Read SEC document
February 17, 2026 Filed Feb 19, 2026 21:33 UTC TANDEM DIABETES CARE INC TNDM · Entity 4682 Exercise / conversionRestricted Stock Unit · Derivative 1,097 $0.00 $0.00
Disclosure

SEC source: 0001438133-26-000012 · wk-form4_1771536816.xml · derivative · entry 10

Hansen Shannon Marie · CIK 0001908267 · EVP & Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,484

Underlying: Common Stock · 1,097 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.

F9 · security: Awarded on May 23, 2024 pursuant to the 2023 Plan.

F7 · 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.

F10 · 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.

F10 · 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.

Read SEC document
February 17, 2026 Filed Feb 19, 2026 21:33 UTC TANDEM DIABETES CARE INC TNDM · Entity 4682 Exercise / conversionRestricted Stock Unit · Derivative 1,437 $0.00 $0.00
Disclosure

SEC source: 0001438133-26-000012 · wk-form4_1771536816.xml · derivative · entry 9

Hansen Shannon Marie · CIK 0001908267 · EVP & Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,437

Underlying: Common Stock · 1,437 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, 2023 pursuant to the Tandem Diabetes Care Inc. 2023 Long-Term Incentive Plan (the 2023 Plan).

F7 · 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.

F8 · 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.

F8 · 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.

Read SEC document
February 17, 2026 Filed Feb 19, 2026 21:33 UTC TANDEM DIABETES CARE INC TNDM · Entity 4682 Exercise / conversionRestricted Stock Unit · Derivative 531 $0.00 $0.00
Disclosure

SEC source: 0001438133-26-000012 · wk-form4_1771536816.xml · derivative · entry 8

Hansen Shannon Marie · CIK 0001908267 · EVP & Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 531 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 February 15, 2022 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 2/15/2023, 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 2/15/2023, and the remaining shares shall vest in twelve (12) equal quarterly installments thereafter.

Read SEC document
February 17, 2026 Filed Feb 19, 2026 21:33 UTC TANDEM DIABETES CARE INC TNDM · Entity 4682 Tax withholdingCommon Stock 452 $18.95 $8,565.40
Disclosure

SEC source: 0001438133-26-000012 · wk-form4_1771536816.xml · nonDerivative · entry 6

Hansen Shannon Marie · CIK 0001908267 · EVP & Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,276

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.

Read SEC document
February 17, 2026 Filed Feb 19, 2026 21:33 UTC TANDEM DIABETES CARE INC TNDM · Entity 4682 Exercise / conversionCommon Stock 1,097 $0.00 $0.00
Disclosure

SEC source: 0001438133-26-000012 · wk-form4_1771536816.xml · nonDerivative · entry 5

Hansen Shannon Marie · CIK 0001908267 · EVP & Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,728

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.

Read SEC document
February 17, 2026 Filed Feb 19, 2026 21:33 UTC TANDEM DIABETES CARE INC TNDM · Entity 4682 Tax withholdingCommon Stock 592 $18.95 $11,218.40
Disclosure

SEC source: 0001438133-26-000012 · wk-form4_1771536816.xml · nonDerivative · entry 4

Hansen Shannon Marie · CIK 0001908267 · EVP & Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,631

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.

Read SEC document
February 17, 2026 Filed Feb 19, 2026 21:33 UTC TANDEM DIABETES CARE INC TNDM · Entity 4682 Exercise / conversionCommon Stock 1,437 $0.00 $0.00
Disclosure

SEC source: 0001438133-26-000012 · wk-form4_1771536816.xml · nonDerivative · entry 3

Hansen Shannon Marie · CIK 0001908267 · EVP & Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,223

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.

Read SEC document
February 17, 2026 Filed Feb 19, 2026 21:33 UTC TANDEM DIABETES CARE INC TNDM · Entity 4682 Tax withholdingCommon Stock 219 $18.95 $4,150.05
Disclosure

SEC source: 0001438133-26-000012 · wk-form4_1771536816.xml · nonDerivative · entry 2

Hansen Shannon Marie · CIK 0001908267 · EVP & Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,786

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.

Read SEC document
February 17, 2026 Filed Feb 19, 2026 21:33 UTC TANDEM DIABETES CARE INC TNDM · Entity 4682 Exercise / conversionCommon Stock 531 $0.00 $0.00
Disclosure

SEC source: 0001438133-26-000012 · wk-form4_1771536816.xml · nonDerivative · entry 1

Hansen Shannon Marie · CIK 0001908267 · EVP & Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,005

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.

Read SEC document
November 17, 2025 Filed Nov 19, 2025 21:06 UTC TANDEM DIABETES CARE INC TNDM · Entity 4682 Exercise / conversionRestricted Stock Unit · Derivative 1,096 $0.00 $0.00
Disclosure

SEC source: 0001438133-25-000207 · wk-form4_1763586379.xml · derivative · entry 11

Hansen Shannon Marie · CIK 0001908267 · EVP & Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,581

Underlying: Common Stock · 1,096 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 23, 2024 pursuant to the 2023 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 2023 Plan.

F11 · 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.

F11 · 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.

Read SEC document
November 17, 2025 Filed Nov 19, 2025 21:06 UTC TANDEM DIABETES CARE INC TNDM · Entity 4682 Exercise / conversionRestricted Stock Unit · Derivative 1,437 $0.00 $0.00
Disclosure

SEC source: 0001438133-25-000207 · wk-form4_1763586379.xml · derivative · entry 10

Hansen Shannon Marie · CIK 0001908267 · EVP & Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,874

Underlying: Common Stock · 1,437 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, 2023 pursuant to the Tandem Diabetes Care Inc. 2023 Long-Term Incentive Plan (the 2023 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 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.

Read SEC document
November 17, 2025 Filed Nov 19, 2025 21:06 UTC TANDEM DIABETES CARE INC TNDM · Entity 4682 Exercise / conversionRestricted Stock Unit · Derivative 530 $0.00 $0.00
Disclosure

SEC source: 0001438133-25-000207 · wk-form4_1763586379.xml · derivative · entry 9

Hansen Shannon Marie · CIK 0001908267 · EVP & Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 531

Underlying: Common Stock · 530 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.

F4 · security: Awarded on February 15, 2022 pursuant to the Tandem Diabetes Care Inc. 2013 Stock Incentive Plan, as amended, and the agreements related thereto (the 2013 Plan).

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 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 2/15/2023, and the remaining shares shall vest in twelve (12) equal quarterly installments thereafter.

F6 · derivative.expiration_date: RSU vest as to twenty-five percent (25%) of the total number of shares subject to the RSU on 2/15/2023, and the remaining shares shall vest in twelve (12) equal quarterly installments thereafter.

Read SEC document
November 17, 2025 Filed Nov 19, 2025 21:06 UTC TANDEM DIABETES CARE INC TNDM · Entity 4682 Tax withholdingCommon Stock 393 $18.61 $7,313.73
Disclosure

SEC source: 0001438133-25-000207 · wk-form4_1763586379.xml · nonDerivative · entry 7

Hansen Shannon Marie · CIK 0001908267 · EVP & Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,474

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.

Read SEC document
November 17, 2025 Filed Nov 19, 2025 21:06 UTC TANDEM DIABETES CARE INC TNDM · Entity 4682 Exercise / conversionCommon Stock 1,096 $0.00 $0.00
Disclosure

SEC source: 0001438133-25-000207 · wk-form4_1763586379.xml · nonDerivative · entry 6

Hansen Shannon Marie · CIK 0001908267 · EVP & Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,867

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.

Read SEC document
November 17, 2025 Filed Nov 19, 2025 21:06 UTC TANDEM DIABETES CARE INC TNDM · Entity 4682 Tax withholdingCommon Stock 515 $18.61 $9,584.15
Disclosure

SEC source: 0001438133-25-000207 · wk-form4_1763586379.xml · nonDerivative · entry 5

Hansen Shannon Marie · CIK 0001908267 · EVP & Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,771

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.

Read SEC document
November 17, 2025 Filed Nov 19, 2025 21:06 UTC TANDEM DIABETES CARE INC TNDM · Entity 4682 Exercise / conversionCommon Stock 1,437 $0.00 $0.00
Disclosure

SEC source: 0001438133-25-000207 · wk-form4_1763586379.xml · nonDerivative · entry 4

Hansen Shannon Marie · CIK 0001908267 · EVP & Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,286

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.

Read SEC document
November 17, 2025 Filed Nov 19, 2025 21:06 UTC TANDEM DIABETES CARE INC TNDM · Entity 4682 Tax withholdingCommon Stock 190 $18.61 $3,535.90
Disclosure

SEC source: 0001438133-25-000207 · wk-form4_1763586379.xml · nonDerivative · entry 3

Hansen Shannon Marie · CIK 0001908267 · EVP & Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,849

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.

Read SEC document
November 17, 2025 Filed Nov 19, 2025 21:06 UTC TANDEM DIABETES CARE INC TNDM · Entity 4682 Exercise / conversionCommon Stock 530 $0.00 $0.00
Disclosure

SEC source: 0001438133-25-000207 · wk-form4_1763586379.xml · nonDerivative · entry 2

Hansen Shannon Marie · CIK 0001908267 · EVP & Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,039

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.

Read SEC document
November 17, 2025 Filed Nov 19, 2025 21:06 UTC TANDEM DIABETES CARE INC TNDM · Entity 4682 GrantCommon Stock 800 $15.59 $12,472.00
Disclosure

SEC source: 0001438133-25-000207 · wk-form4_1763586379.xml · nonDerivative · entry 1

Hansen Shannon Marie · CIK 0001908267 · EVP & Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,509

F1 · acquired: 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, 2025, through November 17, 2025. This transaction is also exempt under Rule 16b-3(c).

Read SEC document
August 15, 2025 Filed Aug 19, 2025 22:14 UTC TANDEM DIABETES CARE INC TNDM · Entity 4682 Exercise / conversionRestricted Stock Unit · Derivative 1,097 $0.00 $0.00
Disclosure

SEC source: 0001628280-25-040841 · wk-form4_1755641651.xml · derivative · entry 10

Hansen Shannon Marie · CIK 0001908267 · EVP & Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,677

Underlying: Common Stock · 1,097 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.

F9 · security: Awarded on May 23, 2024 pursuant to the 2023 Plan.

F7 · 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.

F10 · 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.

F10 · 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.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 22:14 UTC TANDEM DIABETES CARE INC TNDM · Entity 4682 Exercise / conversionRestricted Stock Unit · Derivative 1,437 $0.00 $0.00
Disclosure

SEC source: 0001628280-25-040841 · wk-form4_1755641651.xml · derivative · entry 9

Hansen Shannon Marie · CIK 0001908267 · EVP & Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,311

Underlying: Common Stock · 1,437 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, 2023 pursuant to the Tandem Diabetes Care, Inc. 2023 Long-Term Incentive Plan, as amended, and agreements related thereto (the 2023 Plan).

F7 · 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.

F8 · 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.

F8 · 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.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 22:14 UTC TANDEM DIABETES CARE INC TNDM · Entity 4682 Exercise / conversionRestricted Stock Unit · Derivative 531 $0.00 $0.00
Disclosure

SEC source: 0001628280-25-040841 · wk-form4_1755641651.xml · derivative · entry 8

Hansen Shannon Marie · CIK 0001908267 · EVP & Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,061

Underlying: Common Stock · 531 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 February 15, 2022 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 2/15/2023, 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 2/15/2023, and the remaining shares shall vest in twelve (12) equal quarterly installments thereafter.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 22:14 UTC TANDEM DIABETES CARE INC TNDM · Entity 4682 Tax withholdingCommon Stock 393 $10.82 $4,252.26
Disclosure

SEC source: 0001628280-25-040841 · wk-form4_1755641651.xml · nonDerivative · entry 6

Hansen Shannon Marie · CIK 0001908267 · EVP & Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,709

F1 · shares: 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.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 22:14 UTC TANDEM DIABETES CARE INC TNDM · Entity 4682 Exercise / conversionCommon Stock 1,097 $0.00 $0.00
Disclosure

SEC source: 0001628280-25-040841 · wk-form4_1755641651.xml · nonDerivative · entry 5

Hansen Shannon Marie · CIK 0001908267 · EVP & Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,102

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.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 22:14 UTC TANDEM DIABETES CARE INC TNDM · Entity 4682 Tax withholdingCommon Stock 515 $10.82 $5,572.30
Disclosure

SEC source: 0001628280-25-040841 · wk-form4_1755641651.xml · nonDerivative · entry 4

Hansen Shannon Marie · CIK 0001908267 · EVP & Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,005

F1 · shares: 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.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 22:14 UTC TANDEM DIABETES CARE INC TNDM · Entity 4682 Exercise / conversionCommon Stock 1,437 $0.00 $0.00
Disclosure

SEC source: 0001628280-25-040841 · wk-form4_1755641651.xml · nonDerivative · entry 3

Hansen Shannon Marie · CIK 0001908267 · EVP & Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,520

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.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 22:14 UTC TANDEM DIABETES CARE INC TNDM · Entity 4682 Tax withholdingCommon Stock 190 $10.82 $2,055.80
Disclosure

SEC source: 0001628280-25-040841 · wk-form4_1755641651.xml · nonDerivative · entry 2

Hansen Shannon Marie · CIK 0001908267 · EVP & Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,083

F1 · shares: 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.

Read SEC document
August 15, 2025 Filed Aug 19, 2025 22:14 UTC TANDEM DIABETES CARE INC TNDM · Entity 4682 Exercise / conversionCommon Stock 531 $0.00 $0.00
Disclosure

SEC source: 0001628280-25-040841 · wk-form4_1755641651.xml · nonDerivative · entry 1

Hansen Shannon Marie · CIK 0001908267 · EVP & Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,273

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.

Read SEC document
May 30, 2025 Filed Jun 5, 2025 21:24 UTC TANDEM DIABETES CARE INC TNDM · Entity 4682 GrantRestricted Stock Unit · Derivative 23,002 $0.00 $0.00
Disclosure

SEC source: 0001438133-25-000130 · wk-form4_1749158492.xml · derivative · entry 4

Hansen Shannon Marie · CIK 0001908267 · EVP & Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,002

Underlying: Common Stock · 23,002 shares

Expires not disclosed

F2 · security: Awarded on May 30, 2025 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 vest as to thirty-three percent (33%) of the total number of shares subject to the RSU on 5/15/2026, and the remaining shares shall vest in eight (8) equal quarterly installments thereafter.

F5 · derivative.expiration_date: RSU vest as to thirty-three percent (33%) of the total number of shares subject to the RSU on 5/15/2026, and the remaining shares shall vest in eight (8) equal quarterly installments thereafter.

Read SEC document
May 30, 2025 Filed Jun 5, 2025 21:24 UTC TANDEM DIABETES CARE INC TNDM · Entity 4682 GrantPerformance Stock Unit · Derivative 23,000 $0.00 $0.00
Disclosure

SEC source: 0001438133-25-000130 · wk-form4_1749158492.xml · derivative · entry 3

Hansen Shannon Marie · CIK 0001908267 · EVP & Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,000

Underlying: Common Stock · 23,000 shares

Expires not disclosed

F2 · security: Awarded on May 30, 2025 pursuant to the Tandem Diabetes Care, Inc. 2023 Long-Term Incentive Plan, as amended, and agreements related thereto (the 2023 Plan).

F3 · derivative.exercise_price: Each performance stock unit (PSU) represents a contingent right to receive one share of Tandem Diabetes Care, Inc. (the Company) common stock based upon the achievement of certain pre-defined performance metrics as of December 31, 2027 (the Measurement Date). The number of shares issued may range from 0% to 200% of the amount specified above, based upon (i) Company's actual performance relative to the pre-defined performance metrics, and (ii) subject to the awardee's continuing service through the Measurement Date. If minimum performance metrics are not met, no PSUs will vest.

F3 · derivative.exercise_date: Each performance stock unit (PSU) represents a contingent right to receive one share of Tandem Diabetes Care, Inc. (the Company) common stock based upon the achievement of certain pre-defined performance metrics as of December 31, 2027 (the Measurement Date). The number of shares issued may range from 0% to 200% of the amount specified above, based upon (i) Company's actual performance relative to the pre-defined performance metrics, and (ii) subject to the awardee's continuing service through the Measurement Date. If minimum performance metrics are not met, no PSUs will vest.

F3 · derivative.expiration_date: Each performance stock unit (PSU) represents a contingent right to receive one share of Tandem Diabetes Care, Inc. (the Company) common stock based upon the achievement of certain pre-defined performance metrics as of December 31, 2027 (the Measurement Date). The number of shares issued may range from 0% to 200% of the amount specified above, based upon (i) Company's actual performance relative to the pre-defined performance metrics, and (ii) subject to the awardee's continuing service through the Measurement Date. If minimum performance metrics are not met, no PSUs will vest.

Read SEC document
May 15, 2025 Filed May 19, 2025 22:07 UTC TANDEM DIABETES CARE INC TNDM · Entity 4682 Exercise / conversionRestricted Stock Unit · Derivative 4,387 $0.00 $0.00
Disclosure

SEC source: 0001438133-25-000090 · wk-form4_1747692420.xml · derivative · entry 10

Hansen Shannon Marie · CIK 0001908267 · EVP & Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,774

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.

F9 · security: Awarded on May 23, 2024 pursuant to the 2023 Plan.

F7 · 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.

F10 · 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.

F10 · 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.

Read SEC document
May 15, 2025 Filed May 19, 2025 22:07 UTC TANDEM DIABETES CARE INC TNDM · Entity 4682 Exercise / conversionRestricted Stock Unit · Derivative 1,437 $0.00 $0.00
Disclosure

SEC source: 0001438133-25-000090 · wk-form4_1747692420.xml · derivative · entry 9

Hansen Shannon Marie · CIK 0001908267 · EVP & Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,748

Underlying: Common Stock · 1,437 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, 2023 pursuant to the Tandem Diabetes Care, Inc. 2023 Long-Term Incentive Plan, as amended, and agreements related thereto (the 2023 Plan).

F7 · 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.

F8 · 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.

F8 · 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.

Read SEC document
May 15, 2025 Filed May 19, 2025 22:07 UTC TANDEM DIABETES CARE INC TNDM · Entity 4682 Exercise / conversionRestricted Stock Unit · Derivative 531 $0.00 $0.00
Disclosure

SEC source: 0001438133-25-000090 · wk-form4_1747692420.xml · derivative · entry 8

Hansen Shannon Marie · CIK 0001908267 · EVP & Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,592

Underlying: Common Stock · 531 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 February 15, 2022 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 2/15/2023, 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 2/15/2023, and the remaining shares shall vest in twelve (12) equal quarterly installments thereafter.

Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.