MarketPeel
Insider Trading Intelligence
PRESIDENT & CEO
Fri, May 15, 2026
May 15
bought $14.56k of TNDM
1,336 shares @ $10.90
Increased holdings by +0.90%
Cluster Buy
Trade made by an officer
Part of a cluster of 19 transactions by 10 insiders
Unscheduled trade
56% win rate · -6.1% median edge vs SPY (16 trades, 90-day · small sample)
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-20.79%
3M-20.08%
6M
1Y

Recent insider activity at TNDM

FREE · DAILY · 6 AM ET

One short email. Insider buys, congressional trades, and plain-English analysis.

Feedback