MarketPeel
Insider Trading Intelligence
PRESIDENT & CEO
Mon, Nov 17, 2025
Nov 17
sold $51.72k of TNDM
2,779 shares @ $18.61
Decreased holdings by -2.40%
39th largest trade (out of 215)
Cluster Buy
Trade made by an officer
Part of a cluster of 12 transactions by 7 insiders
56% win rate · -6.1% median edge vs SPY (16 trades, 90-day · small sample)
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

Full TNDM profile →Sheridan John F’s trading history →
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