Atara Biotherapeutics, Inc. - ATRA - Stock Historical Data & Price

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
September 12, 2025	12.13	12.12	12.12	12.25	11.8	37,500
September 11, 2025	11.8	12.16	12.16	12.22	11.75	29,000
September 10, 2025	11.94	11.78	11.78	12.09	11.7	12,000
September 09, 2025	12	11.95	11.95	12.18	11.8	40,700
September 08, 2025	12.75	12.18	12.18	12.75	11.8	103,934
September 05, 2025	12.78	12.91	12.91	13.2	12.41	65,700
September 04, 2025	12.64	12.8	12.8	12.8	12.38	21,635
September 03, 2025	12.42	12.63	12.63	12.75	12.23	53,900
September 02, 2025	11.97	12.34	12.34	12.6	11.81	68,506
August 29, 2025	12.44	12.05	12.05	12.44	11.7	36,668
August 28, 2025	12.4	12.36	12.36	12.76	12.16	50,900
August 27, 2025	12.59	12.35	12.35	12.75	11.86	34,139
August 26, 2025	12.5	12.64	12.64	13.08	12.19	80,305
August 25, 2025	12.37	12.24	12.24	12.56	12.02	57,564
August 22, 2025	11.72	12.34	12.34	12.4	11.62	90,727
August 21, 2025	11.63	11.49	11.49	11.92	11.28	31,143
August 20, 2025	11.87	11.76	11.76	12.09	11.27	64,570
August 19, 2025	11.53	11.48	11.48	12.06	11.24	35,240
August 18, 2025	12.21	11.48	11.48	12.5	11.2	78,100
August 15, 2025	11.72	12.29	12.29	12.49	11.52	149,600
August 14, 2025	12	11.72	11.72	12.11	11.54	41,400
August 13, 2025	11.67	12.13	12.13	12.25	11.62	58,084
August 12, 2025	11.01	11.54	11.54	12.31	10.87	57,549
August 11, 2025	10.86	10.32	10.32	11.45	10.32	41,861
August 08, 2025	11.03	10.96	10.96	11.66	10.39	25,046
August 07, 2025	11.39	10.96	10.96	11.79	10.53	23,422
August 06, 2025	11.31	11.39	11.39	11.75	10.86	24,655
August 05, 2025	11.75	11.22	11.22	11.84	11.15	19,900
August 04, 2025	11.43	11.32	11.32	11.6	11.2	14,048
August 01, 2025	11.4	11.55	11.55	11.73	10.92	39,800
July 31, 2025	12.11	11.52	11.52	12.32	11.5	41,118
July 30, 2025	11.91	12.11	12.11	12.76	11.81	90,143
July 29, 2025	11.75	11.73	11.73	12	11.36	46,296
July 28, 2025	11.58	11.81	11.81	11.9	10.69	42,300
July 25, 2025	12.18	11.58	11.58	12.18	10.68	90,745
July 24, 2025	13.26	12.23	12.23	13.46	12.18	90,316
July 23, 2025	13.08	12.26	12.26	13.23	12.01	99,245
July 22, 2025	11.58	13.02	13.02	13.21	11.58	149,900
July 21, 2025	10.4	11.5	11.5	11.7	10.15	158,784
July 18, 2025	9.8	10	10	10.99	9.78	113,100
July 17, 2025	9.3	9.71	9.71	9.8	8.53	79,211
July 16, 2025	9.2	9.28	9.28	9.29	8.82	39,600
July 15, 2025	9.29	9.27	9.27	9.62	8.77	82,905
July 14, 2025	9.33	9.3	9.3	9.44	9.16	30,285
July 11, 2025	9.6	9.23	9.23	9.6	9.11	23,416
July 10, 2025	9.25	9.48	9.48	9.6	9.25	35,112
July 09, 2025	9.36	9.23	9.23	9.44	9.07	35,576
July 08, 2025	8.61	9.27	9.27	9.35	8.43	41,434
July 07, 2025	8.3	8.58	8.58	8.68	8.21	34,024
July 03, 2025	8.25	8.47	8.47	8.62	8.11	18,900
July 02, 2025	7.88	8.25	8.25	8.35	7.88	31,149
July 01, 2025	7.6	7.8	7.8	8.02	7.54	20,120
June 30, 2025	7.93	7.72	7.72	7.94	7.7	18,731
June 27, 2025	7.94	7.96	7.96	8.15	7.8	22,300
June 26, 2025	8.09	7.95	7.95	8.18	7.81	27,700
June 25, 2025	8.25	8.02	8.02	8.25	7.76	15,434
June 24, 2025	8.01	8.06	8.06	8.2	7.73	29,533
June 23, 2025	7.83	7.88	7.88	8.08	7.68	16,739
June 20, 2025	8.05	7.94	7.94	8.05	7.51	86,900
June 18, 2025	7.92	8.02	8.02	8.28	7.79	71,500

Atara Biotherapeutics, Inc. (ATRA) NASDAQ