MarketPeel
Insider Trading Intelligence
Chief Accounting Officer
Mon, May 18, 2026
May 18
sold $22.04k of ATRA
2,414 shares @ $9.13
Decreased holdings by -4.60%
Largest trade (out of 13)
Trade made by an officer
Unscheduled trade
27% win rate · -10.6% median edge vs SPY (11 trades, 90-day · small sample)
Price 10% below 200-day moving average
Micro Cap stock — higher insider information edge
ATRAAtara Biotherapeutics, Inc.
HealthcareBiotechnology
1D0.00%
1W+10.85%
1M+13.44%
3M
6M
1Y

Recent insider activity at ATRA

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