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TNDM insider trading

TANDEM DIABETES CARE INC — open-market insider buys and $1M+ sells from SEC Forms 3, 4 and 5.
Insider buys · 24 mo
4
Bought · 24 mo
$455k
Buys · last 90 days
0 · $0
Most recent buy
2025-08-11

Recent insider filings

FiledInsiderTypeSharesPriceValue
2025-08-11Vosseller Leigh
EVP & CHIEF FINANCIAL OFFICER
Bought13,720$10.89$149k
2025-08-11Sheridan John F
PRESIDENT & CEO
Bought10,000$10.23$102k
2025-03-11Kyrillos Jean-Claude
EVP & Chief Operating Officer
Bought10,538$18.12$191k
2024-11-19Novara Mark David
EVP & CHIEF COMMERCIAL OFFICER
Bought532$23.24$12k

Most active insider buyers

InsiderRoleBuysTotal bought
Kyrillos Jean-ClaudeEVP & Chief Operating Officer1$191k
Vosseller LeighEVP & CHIEF FINANCIAL OFFICER1$149k
Sheridan John FPRESIDENT & CEO1$102k
Novara Mark DavidEVP & CHIEF COMMERCIAL OFFICER1$12k

See TNDM on the chart

Every insider buy and sell for TNDM plotted on the price, the full two-year history, cluster scores and daily updates — in the members area, $29/month. A free quarterly sample of the whole dataset needs no account.

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Data from the SEC EDGAR ownership filings, refreshed daily. Only open-market purchases (transaction code P) and sales of $1M or more are shown; grants, option exercises and tax withholding are excluded because they run on schedules set years earlier. Not investment advice.