MarketPeel
Insider Trading Intelligence
EVP & CHIEF FINANCIAL OFFICER
Fri, May 15, 2026
May 15
bought $14.56k of TNDM
1,336 shares @ $10.90
Increased holdings by +2.80%
65th largest trade (out of 164)
Cluster Buy
Trade made by an officer
Part of a cluster of 19 transactions by 10 insiders
Unscheduled trade
37% win rate · -4.3% median edge vs SPY (27 trades, 90-day)
Insider trade was 15% below market price
Price 29% below 200-day moving average
Small Cap stock — insider trades carry more weight
TNDMTANDEM DIABETES CARE INC
Health CareMedical Devices
1D0.00%
1W-5.67%
1M-21.23%
3M
6M
1Y

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FeedbackLeigh Vosseller bought $15K of TNDM — MarketPeel | MarketPeel