Sheridan John F — SEC Form 4 Insider Trading Activity

Summary

Updated Jul 16, 2026

Sheridan John F has filed 2 SEC Form 4 filings across 1 company in the last 90 days — buying. Lifetime open-market purchases: $102K.

Profile

Sheridan John F

John F. Sheridan is the President and CEO of Tandem Diabetes Care, Inc., a company specializing in insulin pump technology for diabetes management. He has played a significant role in the company's growth and product development since its inception.

RolePRESIDENT & CEO, Director
Notability30/100

Board memberships

Awards & honors

Recent Transactions

DateTickerCompanyCodeSharesPriceValue
2026-05-19TNDMTANDEM DIABETES CARE INCA — Grant or award1.3K$10.90$15K
2026-05-19TNDMTANDEM DIABETES CARE INCF — Tax withholding / forfeiture18.9K$12.82$243K
2026-05-19TNDMTANDEM DIABETES CARE INCM — Option exercise39.7K$0.00
2026-05-19TNDMTANDEM DIABETES CARE INCF — Tax withholding / forfeiture3.0K$12.82$39K
2026-05-19TNDMTANDEM DIABETES CARE INCM — Option exercise6.0K$0.00
2026-05-19TNDMTANDEM DIABETES CARE INCF — Tax withholding / forfeiture2.8K$12.82$36K
2026-05-19TNDMTANDEM DIABETES CARE INCM — Option exercise5.5K$0.00
2026-02-19TNDMTANDEM DIABETES CARE INCF — Tax withholding / forfeiture2.4K$18.95$45K
2026-02-19TNDMTANDEM DIABETES CARE INCM — Option exercise6.0K$0.00
2026-02-19TNDMTANDEM DIABETES CARE INCF — Tax withholding / forfeiture2.0K$18.95$37K
2026-02-19TNDMTANDEM DIABETES CARE INCM — Option exercise5.5K$0.00
2025-08-15TNDMTANDEM DIABETES CARE INCF — Tax withholding / forfeiture3.0K$10.82$33K
2025-08-15TNDMTANDEM DIABETES CARE INCM — Option exercise6.0K$0.00
2025-08-15TNDMTANDEM DIABETES CARE INCF — Tax withholding / forfeiture2.8K$10.82$30K
2025-08-15TNDMTANDEM DIABETES CARE INCM — Option exercise5.5K$0.00
2025-08-11TNDMTANDEM DIABETES CARE INCP — Open-market purchase10.0K$10.23$102K
2024-11-19TNDMTANDEM DIABETES CARE INCA — Grant or award381$15.64$6K
2024-11-19TNDMTANDEM DIABETES CARE INCF — Tax withholding / forfeiture2.8K$27.34$76K
2024-11-19TNDMTANDEM DIABETES CARE INCM — Option exercise5.5K$0.00
2024-11-19TNDMTANDEM DIABETES CARE INCF — Tax withholding / forfeiture1.1K$27.34$31K

Companies — Last 90 Days

Frequently Asked Questions

Who is Sheridan John F?

John F. Sheridan is the President and CEO of Tandem Diabetes Care, Inc., a company specializing in insulin pump technology for diabetes management. He has played a significant role in the company's growth and product development since its inception.…

How many SEC Form 4 filings has Sheridan John F submitted recently?

2 primary Form 4 filings in the last 90 days, covering 1 company.

Has Sheridan John F been buying or selling stock?

Recorded transactions: 1 open-market purchases ($102K) and 0 open-market sales () across all tracked filings.

Where can I see all of Sheridan John F's SEC filings?

All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.

Learn More

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