Biggest movers / ATRA

ATRA alerts & big moves

ATARA BIOTHERAPEUTICS INC · Nasdaq · Healthcare

Last price$8.53

Change+5.44%vs previous close

Alerts2last 90 days

Last alertAugust 13, 202612:10 PM ET

52-week rangeas recorded on August 13, 2026

Low $3.92High $19.14

Alert history — last 90 days

All 2 alerts in the window. Times are ET; the public list runs 15 minutes behind the live feed.

General−10.4%in 17 minAugust 13, 2026, 12:10 PM ET
$7.96Vol 98.9K1.9× avg volumeHealthcare
General+12.0%in 5 minAugust 13, 2026, 9:40 AM ET
$9.03Vol 12.1K0.2× avg volumeHealthcare

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Prices come from Dipfinding’s market feed and may be delayed. Alert history covers the channels published openly on this site. Information only — not financial advice.