NASDAQ · ATRA

Atara Biotherapeutics, Inc.

Healthcare · Biotechnology

$9.37

Down-$0.38 (-3.90%)

Updated Oct 8, 2026, 7:32 AM

SID Score

5.2/10

Composite research score

Smart Money

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Institutional and insider signal

Price performance · ATRA

ATRA price history

1M range · 21 trading sessions · Daily adjusted prices

Prices through Oct 7, 2026

Daily close

View OHLC price history

ATRA OHLC price history, latest 40 sessions
Date	Open	High	Low	Close	Volume
Oct 7, 2026	$9.62	$9.7499	$9.37	$9.37	11.45K
Oct 6, 2026	$9.41	$9.79	$9.05	$9.75	47.6K
Oct 5, 2026	$9.59	$9.63	$8.95	$9.40	39.32K
Oct 2, 2026	$8.46	$9.675	$8.25	$9.48	85.75K
Oct 1, 2026	$8.73	$9.20	$8.23	$8.46	90.93K
Sep 30, 2026	$8.08	$8.7099	$7.83	$8.50	29.3K
Sep 29, 2026	$8.33	$8.8212	$7.89	$8.05	56.45K
Sep 28, 2026	$8.69	$8.705	$8.3361	$8.37	23.53K
Sep 25, 2026	$8.60	$8.99	$8.535	$8.81	31.2K
Sep 24, 2026	$8.60	$8.86	$8.33	$8.54	20.78K
Sep 23, 2026	$8.92	$8.95	$8.40	$8.56	40.47K
Sep 22, 2026	$9.30	$9.60	$8.93	$8.93	27.27K
Sep 21, 2026	$9.69	$9.92	$9.30	$9.38	29.67K
Sep 18, 2026	$9.73	$10.19	$9.60	$9.69	37.77K
Sep 17, 2026	$10.28	$10.28	$9.41	$9.71	26.42K
Sep 16, 2026	$9.50	$10.37	$9.07	$10.11	116.75K
Sep 15, 2026	$9.21	$9.88	$8.92	$9.44	56.06K
Sep 14, 2026	$9.09	$9.71	$9.07	$9.25	50.85K
Sep 11, 2026	$10.00	$10.00	$9.38	$9.38	16.03K
Sep 10, 2026	$9.94	$9.94	$9.52	$9.89	23.21K
Sep 9, 2026	$10.27	$10.43	$9.76	$9.91	68.51K