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Insider selling
Anhco Nguyen sold $41K of Atara Biotherapeutics, Inc. (ATRA) stock
Anhco Nguyen, President and CEO of Atara Biotherapeutics, Inc. (ATRA), sold 5,062 shares of ATRA stock worth $41K, per an SEC Form 4 filed Aug 26, 2026.
It was an open-market sale.
The trade happened on Aug 17, 2026, 9 days before it was made public.
ATRA has moved +15.9% since the trade date, from $8.36 to $9.69 (Sep 18, 2026 close).
- Traded
- Aug 17, 2026
- Disclosed
- Aug 26, 2026
- Filing delay
- 9 days
- Price since
- +15.9%
- Role
- President and CEO
- Source
- SEC Form 4
More ATRA insider and Congress trades
From a public SEC Form 4, linked above. Not investment advice, and not a recommendation to buy or sell.