Atara Biotherapeutics, Inc. (ATRA) Insider Trading
Sector: Biotechnology · Market Cap: $95M · 0 insider purchases in the last 7 days
No open market insider purchases at Atara Biotherapeutics, Inc. in the last 7 days.
Want more?
Sign up free to see 30+ days of history, set alerts, and track ATRA on your watchlist.
Start for FreeAbout Atara Biotherapeutics, Inc. Insider Trading
1 insider at Atara Biotherapeutics, Inc. (ATRA) has purchased stock in the past 90 days, totaling $1000K across 1 transaction (104,166 shares).
The most recent purchase was by Director Cherry Brian N on September 4, 2026 — a $1000K buy of 104,166 shares at $9.60, bringing their total holdings to 166,486 shares.
This level of insider buying appears elevated compared to ATRA's typical activity — there were 1 purchase in the prior nine months.
ATRA is in the Biotechnology sector within the Biotechnology industry with a market cap of $95M.
Track ATRA insider trading activity, set up email alerts, and get AI-powered trade analysis with a free Insider Trading Tracker account.