Atara Biotherapeutics (ATRA) Price: 8.59

Atara Biotherapeutics, Inc. (ATRA)

8.59 -0.84 (-8.91%) USD | NASDAQ | Oct 23, 16:00

8.64 +0.05 (+0.58%) After-Hours: 20:00

Price Chart

Historical Price Data

View and export this data back to 2014. Start Trial.

Date	Open	High	Low	Close	Volume
Oct 23, 2026	9.37	9.37	8.55	8.59	24320.00
Oct 22, 2026	9.23	9.65	8.971	9.43	23018.00
Oct 21, 2026	9.25	9.43	9.17	9.35	26543.00
Oct 20, 2026	8.89	9.29	8.88	9.16	14846.00
Oct 19, 2026	9.03	9.35	8.96	8.96	12450.00
Oct 16, 2026	9.67	9.905	9.18	9.18	19493.00
Oct 15, 2026	9.35	9.78	9.185	9.65	24451.00
Oct 14, 2026	9.29	9.990	9.20	9.56	39955.00
Oct 13, 2026	9.25	9.54	8.80	9.305	32286.00
Oct 12, 2026	9.42	9.58	8.99	9.38	26837.00
Oct 09, 2026	9.33	9.560	9.33	9.48	22149.00
Oct 08, 2026	9.42	9.42	8.82	9.23	28942.00
Oct 07, 2026	9.62	9.750	9.37	9.37	11449.00
Oct 06, 2026	9.41	9.79	9.05	9.75	47598.00
Oct 05, 2026	9.59	9.63	8.95	9.40	39319.00
Oct 02, 2026	8.46	9.675	8.25	9.48	85752.00
Oct 01, 2026	8.73	9.20	8.23	8.46	90929.00
Sep 30, 2026	8.08	8.710	7.83	8.50	29302.00
Sep 29, 2026	8.33	8.821	7.89	8.05	56451.00
Sep 28, 2026	8.69	8.705	8.336	8.37	23529.00
Sep 25, 2026	8.60	8.99	8.535	8.81	31197.00
Sep 24, 2026	8.60	8.86	8.33	8.54	20777.00
Sep 23, 2026	8.92	8.95	8.40	8.56	40473.00
Sep 22, 2026	9.30	9.60	8.93	8.93	27265.00
Sep 21, 2026	9.69	9.92	9.30	9.38	29670.00

Price Definition

The price of a security measures the cost to purchase 1 share of a security. For a company, price can be multiplied by shares outstanding to find the market capitalization (value of the company).

Read full definition.

Price Range, Past 5 Years

View Price Range, Past 5 Years

Start Trial

Minimum

Maximum

Average

Median

Price Benchmarks

View Price Benchmarks