MarketPeel
Insider Trading Intelligence
Wed, May 20, 2026
May 20
bought $0.00 of TNDM
10,220 shares @ $0.00
New position
Cluster BuyPositive 90D History
Part of a cluster of 22 transactions by 11 insiders
Unscheduled trade
60% win rate · -3.2% median edge vs SPY (15 trades, 90-day · small sample)
Price 17% 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

Recent insider activity at TNDM

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