A business in context

TNDM research notebook

Read the disclosures. Follow the relationships. Keep the dates in view.

Research JSON

Filing timeline

Download filings CSV

SEC submissions · retrieved 2026-10-23 · 8022 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer

  1. 4 · Ownership change

    Report date 2026-10-15 · 0001438133-26-000134

  2. 4 · Ownership change

    Report date 2026-08-15 · 0001438133-26-000132

  3. 4 · Ownership change

    Report date 2026-08-15 · 0001438133-26-000131

  4. 4 · Ownership change

    Report date 2026-08-15 · 0001438133-26-000130

  5. 4 · Ownership change

    Report date 2026-08-15 · 0001438133-26-000129

  6. 4 · Ownership change

    Report date 2026-08-15 · 0001438133-26-000128

  7. 4 · Ownership change

    Report date 2026-08-15 · 0001438133-26-000127

  8. 4 · Ownership change

    Report date 2026-08-15 · 0001438133-26-000126

  9. 10-Q · Quarterly report

    Report date 2026-06-30 · 0001438133-26-000125

  10. 8-K · Current report

    Report date 2026-08-06 · 0001438133-26-000124 · Items 2.02,9.01

  11. 8-K · Current report

    Report date 2026-05-20 · 0001438133-26-000070 · Items 3.03,5.02,5.07,9.01

  12. 8-K · Current report

    Report date 2026-05-11 · 0001438133-26-000052 · Items 5.02

  13. 10-Q · Quarterly report

    Report date 2026-03-31 · 0001438133-26-000049

  14. 8-K · Current report

    Report date 2026-05-07 · 0001438133-26-000048 · Items 2.02,9.01

  15. DEF 14A · Proxy statement

    Report date 2025-12-31 · 0001438133-26-000034

  16. 8-K · Current report

    Report date 2026-02-23 · 0001140361-26-007142 · Items 1.01,2.03,3.02,8.01,9.01

  17. 10-K · Annual report

    Report date 2025-12-31 · 0001438133-26-000010

  18. 8-K · Current report

    Report date 2026-02-19 · 0001438133-26-000009 · Items 2.02,9.01

  19. 8-K · Current report

    Report date 2025-12-26 · 0001438133-25-000237 · Items 5.03,9.01

  20. 8-K · Current report

    Report date 2025-11-07 · 0001438133-25-000190 · Items 5.02,9.01

  21. 10-Q · Quarterly report

    Report date 2025-09-30 · 0001438133-25-000187

  22. 8-K · Current report

    Report date 2025-11-06 · 0001438133-25-000186 · Items 2.02,9.01

  23. 8-K · Current report

    Report date 2025-08-06 · 0001438133-25-000160 · Items 8.01

  24. 10-Q · Quarterly report

    Report date 2025-06-30 · 0001438133-25-000157

  25. 8-K · Current report

    Report date 2025-08-06 · 0001438133-25-000155 · Items 2.02,9.01

  26. 8-K · Current report

    Report date 2025-05-21 · 0001438133-25-000112 · Items 1.01,5.07

  27. 8-K · Current report

    Report date 2025-05-16 · 0001438133-25-000091 · Items 8.01

  28. 8-K · Current report

    Report date 2025-05-09 · 0001438133-25-000072 · Items 8.01

  29. 10-Q · Quarterly report

    Report date 2025-03-31 · 0001438133-25-000069

  30. 8-K · Current report

    Report date 2025-04-30 · 0001438133-25-000068 · Items 2.02,9.01

  31. DEF 14A · Proxy statement

    Report date 2024-12-31 · 0001438133-25-000058

  32. 10-K · Annual report

    Report date 2024-12-31 · 0001438133-25-000036

  33. 8-K · Current report

    Report date 2025-02-26 · 0001438133-25-000035 · Items 2.02,9.01

  34. SC 13G/A · Ownership disclosure

    0000902664-24-006602

  35. SC 13G/A · Ownership disclosure

    0002012383-24-004172

  36. 10-Q · Quarterly report

    Report date 2024-09-30 · 0001438133-24-000201

  37. 8-K · Current report

    Report date 2024-11-06 · 0001438133-24-000200 · Items 2.02,9.01

  38. SC 13G/A · Ownership disclosure

    0002012383-24-000549

  39. SC 13G/A · Ownership disclosure

    0001562230-24-000030

  40. 10-Q · Quarterly report

    Report date 2024-06-30 · 0001438133-24-000177

Reported insider transactions

Download transactions CSV

SEC insider transactions · retrieved 2026-10-23 · 2026 Q3: filings in this completed quarter; not a live transaction feed

Purchases and sales include open-market or private transactions. Grants, exercises and tax withholding are shown separately. Amendments and joint reports can overlap; rows are not a net-buying score. Prices retain the filing's units; consult its footnotes.

Transaction rows by code · counts, not monetary totals
Purchase: 0 transaction rows0PSale: 0 transaction rows0SGrant / award: 0 transaction rows0AExercise / conversion: 28 transaction rows28MTax / exercise payment: 14 transaction rows14FGift: 0 transaction rows0G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

42 matching transaction rows.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-08-15
2026-08-18
Vosseller LeighF · Tax / exercise payment
Disposed
Common Stock942.022.72
2026-08-15
2026-08-18
Vosseller LeighM · Exercise / conversion
Acquired
Common Stock2624.00.0
2026-08-15
2026-08-18
Vosseller LeighF · Tax / exercise payment
Disposed
Common Stock537.022.72
2026-08-15
2026-08-18
Vosseller LeighM · Exercise / conversion
Acquired
Common Stock1496.00.0
2026-08-15
2026-08-18
Vosseller LeighM · Exercise / conversion
Disposed
Restricted Stock Unit
Derivative security
1496.00.0
2026-08-15
2026-08-18
Vosseller LeighM · Exercise / conversion
Disposed
Restricted Stock Unit
Derivative security
2624.00.0
2026-08-15
2026-08-18
Sheridan John FF · Tax / exercise payment
Disposed
Common Stock5055.022.72
2026-08-15
2026-08-18
Sheridan John FM · Exercise / conversion
Acquired
Common Stock9934.00.0
2026-08-15
2026-08-18
Sheridan John FF · Tax / exercise payment
Disposed
Common Stock3044.022.72
2026-08-15
2026-08-18
Sheridan John FM · Exercise / conversion
Acquired
Common Stock5982.00.0
2026-08-15
2026-08-18
Sheridan John FM · Exercise / conversion
Disposed
Restricted Stock Unit
Derivative security
9934.00.0
2026-08-15
2026-08-18
Sheridan John FM · Exercise / conversion
Disposed
Restricted Stock Unit
Derivative security
5982.00.0
2026-08-15
2026-08-18
Morrison SusanF · Tax / exercise payment
Disposed
Common Stock314.022.72
2026-08-15
2026-08-18
Morrison SusanM · Exercise / conversion
Acquired
Common Stock1097.00.0
2026-08-15
2026-08-18
Morrison SusanM · Exercise / conversion
Acquired
Common Stock1730.00.0
2026-08-15
2026-08-18
Morrison SusanF · Tax / exercise payment
Disposed
Common Stock495.022.72
2026-08-15
2026-08-18
Morrison SusanM · Exercise / conversion
Disposed
Restricted Stock Unit
Derivative security
1097.00.0
2026-08-15
2026-08-18
Morrison SusanM · Exercise / conversion
Disposed
Restricted Stock Unit
Derivative security
1730.00.0
2026-08-15
2026-08-18
Kyrillos Jean-ClaudeM · Exercise / conversion
Acquired
Common Stock1010.00.0
2026-08-15
2026-08-18
Kyrillos Jean-ClaudeF · Tax / exercise payment
Disposed
Common Stock535.022.72
2026-08-15
2026-08-18
Kyrillos Jean-ClaudeM · Exercise / conversion
Disposed
Restricted Stock Unit
Derivative security
1010.00.0
2026-08-15
2026-08-18
Gasser Elizabeth AnneF · Tax / exercise payment
Disposed
Common Stock1029.022.72
2026-08-15
2026-08-18
Gasser Elizabeth AnneM · Exercise / conversion
Acquired
Common Stock1097.00.0
2026-08-15
2026-08-18
Gasser Elizabeth AnneF · Tax / exercise payment
Disposed
Common Stock589.022.72
2026-08-15
2026-08-18
Gasser Elizabeth AnneM · Exercise / conversion
Acquired
Common Stock1917.00.0
2026-08-15
2026-08-18
Gasser Elizabeth AnneM · Exercise / conversion
Disposed
Restricted Stock Unit
Derivative security
1097.00.0
2026-08-15
2026-08-18
Gasser Elizabeth AnneM · Exercise / conversion
Disposed
Restricted Stock Unit
Derivative security
1917.00.0
2026-08-15
2026-08-18
Carpenter RickF · Tax / exercise payment
Disposed
Common Stock820.022.72
2026-08-15
2026-08-18
Carpenter RickM · Exercise / conversion
Acquired
Common Stock897.00.0
2026-08-15
2026-08-18
Carpenter RickF · Tax / exercise payment
Disposed
Common Stock457.022.72
2026-08-15
2026-08-18
Carpenter RickM · Exercise / conversion
Acquired
Common Stock1610.00.0
2026-08-15
2026-08-18
Carpenter RickM · Exercise / conversion
Disposed
Restricted Stock Unit
Derivative security
897.00.0
2026-08-15
2026-08-18
Carpenter RickM · Exercise / conversion
Disposed
Restricted Stock Unit
Derivative security
1610.00.0
2026-08-15
2026-08-18
Hansen Shannon MarieF · Tax / exercise payment
Disposed
Common Stock976.022.72
2026-08-15
2026-08-18
Hansen Shannon MarieM · Exercise / conversion
Acquired
Common Stock1917.00.0
2026-08-15
2026-08-18
Hansen Shannon MarieF · Tax / exercise payment
Disposed
Common Stock559.022.72
2026-08-15
2026-08-18
Hansen Shannon MarieM · Exercise / conversion
Acquired
Common Stock1097.00.0
2026-08-15
2026-08-18
Hansen Shannon MarieM · Exercise / conversion
Disposed
Restricted Stock Unit
Derivative security
1097.00.0
2026-08-15
2026-08-18
Hansen Shannon MarieM · Exercise / conversion
Disposed
Restricted Stock Unit
Derivative security
1917.00.0
2026-07-15
2026-07-17
Kyrillos Jean-ClaudeM · Exercise / conversion
Acquired
Common Stock3636.00.0
2026-07-15
2026-07-17
Kyrillos Jean-ClaudeF · Tax / exercise payment
Disposed
Common Stock1926.015.28
2026-07-15
2026-07-17
Kyrillos Jean-ClaudeM · Exercise / conversion
Disposed
Restricted Stock Unit
Derivative security
3636.00.0

Identity & relationships

Wikidata structured data · retrieved 2026-10-23 · 1658 unambiguous CIK-linked entities; coverage is incomplete

These are sourced identity and relationship claims, with incomplete coverage. Headquarters locations do not describe sales, assets or operating exposure.

SEC issuer · 0001438133TANDEM DIABETES CARE INC

No parent relationship is available in this import; this is not proof of independence.

Legal Entity Identifier
549300JEPFOD0K4D3I05
GLEIF legal name
TANDEM DIABETES CARE, INC.
Entity / LEI registration status
ACTIVE / ISSUED
Reference data updated
2026-01-13T14:08:34Z

direct-parent: no parent LEI supplied

ultimate-parent: no parent LEI supplied

GLEIF legal entity reference data · retrieved 2026-10-23 · 1197 checked identities; 0 unavailable records

Search names and former names

View Wikidata identity and references ↗

  • Tandem Diabetes Care (United States) · alias · wikidata
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Revenue in constant purchasing power

USD revenue expressed in 2026-09 consumer-price dollars. Each annual period uses a CPI-U average weighted by the days in its actual reporting interval. This is a purchasing-power comparison, not a company-specific price or volume measure.

Year endedReported USD revenueCPI-adjusted USD revenue
2024-12-31$940.20M$1.01B
2023-12-31$747.72M$826.78M
2022-12-31$801.22M$922.31M
2021-12-31$702.80M$873.75M
2020-12-31$498.83M$649.41M
2019-12-31$362.31M$477.47M
2018-12-31$183.87M$246.70M
2017-12-31$107.60M$147.90M

Bureau of Labor Statistics · retrieved 2026-10-23 · 9 selected series; gaps remain missing

Explore the CPI history ↗