Vosseller Leigh — SEC Form 4 Insider Trading Activity

Summary

Updated Jul 16, 2026

Vosseller Leigh has filed 2 SEC Form 4 filings across 1 company in the last 90 days — buying. Lifetime open-market purchases: $149K.

Profile

Vosseller Leigh

Leigh Vosseller is the Executive Vice President and Chief Financial Officer at Tandem Diabetes Care, Inc., a company specializing in insulin pumps for diabetes management. She has been involved in multiple SEC filings related to her role, indicating her active participation in the company's financial oversight.

RoleEVP & CHIEF FINANCIAL OFFICER
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 / forfeiture3.8K$12.82$48K
2026-05-19TNDMTANDEM DIABETES CARE INCM — Option exercise10.5K$0.00
2026-05-19TNDMTANDEM DIABETES CARE INCF — Tax withholding / forfeiture537$12.82$7K
2026-05-19TNDMTANDEM DIABETES CARE INCM — Option exercise1.5K$0.00
2026-05-19TNDMTANDEM DIABETES CARE INCF — Tax withholding / forfeiture540$12.82$7K
2026-05-19TNDMTANDEM DIABETES CARE INCM — Option exercise1.5K$0.00
2026-02-19TNDMTANDEM DIABETES CARE INCF — Tax withholding / forfeiture616$18.95$12K
2026-02-19TNDMTANDEM DIABETES CARE INCM — Option exercise1.5K$0.00
2026-02-19TNDMTANDEM DIABETES CARE INCF — Tax withholding / forfeiture619$18.95$12K
2026-02-19TNDMTANDEM DIABETES CARE INCM — Option exercise1.5K$0.00
2025-08-15TNDMTANDEM DIABETES CARE INCF — Tax withholding / forfeiture535$10.82$6K
2025-08-15TNDMTANDEM DIABETES CARE INCM — Option exercise1.5K$0.00
2025-08-15TNDMTANDEM DIABETES CARE INCF — Tax withholding / forfeiture538$10.82$6K
2025-08-15TNDMTANDEM DIABETES CARE INCM — Option exercise1.5K$0.00
2025-08-08TNDMTANDEM DIABETES CARE INCP — Open-market purchase13.7K$10.89$149K
2024-11-19TNDMTANDEM DIABETES CARE INCF — Tax withholding / forfeiture537$27.34$15K
2024-11-19TNDMTANDEM DIABETES CARE INCM — Option exercise1.5K$0.00
2024-11-19TNDMTANDEM DIABETES CARE INCF — Tax withholding / forfeiture170$27.34$5K
2024-11-19TNDMTANDEM DIABETES CARE INCM — Option exercise475$0.00

Companies — Last 90 Days

Frequently Asked Questions

Who is Vosseller Leigh?

Leigh Vosseller is the Executive Vice President and Chief Financial Officer at Tandem Diabetes Care, Inc., a company specializing in insulin pumps for diabetes management. She has been involved in multiple SEC filings related to her role, indicating her active participation in the company's financial oversight.…

How many SEC Form 4 filings has Vosseller Leigh submitted recently?

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

Has Vosseller Leigh been buying or selling stock?

Recorded transactions: 1 open-market purchases ($149K) and 0 open-market sales () across all tracked filings.

Where can I see all of Vosseller Leigh'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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