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

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
December 10, 2025	15.65	16.83	16.83	17.25	15.36	132,716
December 09, 2025	14.97	15.69	15.69	15.95	14.37	62,316
December 08, 2025	14.52	15.08	15.08	15.09	14.43	52,300
December 05, 2025	14.26	14.33	14.33	14.75	14.08	69,064
December 04, 2025	12.55	14.2	14.2	14.25	12.55	127,385
December 03, 2025	12.35	12.55	12.55	12.86	12.05	63,000
December 02, 2025	13.61	12.22	12.22	13.68	12.22	53,319
December 01, 2025	14.77	13.54	13.54	14.96	13.53	87,225
November 28, 2025	15.01	15.1	15.1	15.28	14.53	17,984
November 26, 2025	14.61	14.86	14.86	15.28	14.61	63,005
November 25, 2025	14.2	14.57	14.57	14.71	14.01	58,207
November 24, 2025	13.69	14.03	14.03	14.35	13.43	74,000
November 21, 2025	13.34	13.68	13.68	14.19	13.26	47,527
November 20, 2025	13.94	13.22	13.22	15.12	12.93	91,100
November 19, 2025	13.44	13.74	13.74	13.96	13.35	39,547
November 18, 2025	13.08	13.46	13.46	13.75	12.75	45,466
November 17, 2025	13.65	13.1	13.1	13.73	12.78	99,300
November 14, 2025	13.19	13.76	13.76	14.28	13.13	43,900
November 13, 2025	12.45	13.39	13.39	13.5	12.43	51,341
November 12, 2025	12.36	12.47	12.47	12.5	11.21	80,591
November 11, 2025	12.24	12.56	12.56	12.89	12.05	61,200
November 10, 2025	11.97	12.3	12.3	12.75	11.76	27,349
November 07, 2025	10.86	11.81	11.81	12.04	10.53	64,310
November 06, 2025	10.76	11.82	11.82	12.47	10.56	112,321
November 05, 2025	12.4	10.75	10.75	12.61	10.5	158,389
November 04, 2025	13.62	12.29	12.29	13.71	12.13	103,923
November 03, 2025	14.9	13.85	13.85	15.3	13.7	49,900
October 31, 2025	13.99	14.85	14.85	14.89	13.99	51,372
October 30, 2025	14.06	14.05	14.05	14.5	13.3	45,796
October 29, 2025	15.43	14.06	14.06	15.43	13.87	36,384
October 28, 2025	15.58	15.21	15.21	15.74	15.05	21,800
October 27, 2025	14.75	15.59	15.59	15.59	14.63	51,200
October 24, 2025	14.38	14.49	14.49	14.7	14.04	39,400
October 23, 2025	14.66	14.12	14.12	15.39	14.05	44,151
October 22, 2025	15.71	14.63	14.63	15.84	14.61	45,100
October 21, 2025	16.04	15.79	15.79	16.15	15.02	55,600
October 20, 2025	15.08	16.04	16.04	16.09	14.95	76,768
October 17, 2025	15.09	14.81	14.81	15.42	14.58	33,574
October 16, 2025	15.42	15.25	15.25	16.28	14.92	47,104
October 15, 2025	15.09	15.28	15.28	15.45	14.61	34,238
October 14, 2025	14.85	14.61	14.61	14.85	14	51,015
October 13, 2025	14.62	15.04	15.04	15.35	14.3	66,435
October 10, 2025	16.28	14.33	14.33	16.28	14.03	91,565
October 09, 2025	16	16.08	16.08	16.72	15.85	80,328
October 08, 2025	15.76	15.85	15.85	15.97	14.85	69,700
October 07, 2025	14	15.63	15.63	15.9	13.89	115,552
October 06, 2025	14.41	13.98	13.98	14.41	13.92	44,198
October 03, 2025	14.58	14.41	14.41	14.85	14.09	34,906
October 02, 2025	14.59	14.48	14.48	14.64	14.02	34,728
October 01, 2025	14.29	14.45	14.45	14.78	14	54,000
September 30, 2025	13.81	14.33	14.33	14.57	13.12	89,441
September 29, 2025	13.55	13.81	13.81	13.95	13.5	44,941
September 26, 2025	13.85	13.74	13.74	14.02	12.95	36,834
September 25, 2025	14.11	13.83	13.83	14.24	13.48	34,695
September 24, 2025	13	14.26	14.26	14.86	12.82	196,693
September 23, 2025	12.31	12.97	12.97	13	12	57,900
September 22, 2025	12	12.3	12.3	12.3	11.67	54,100
September 19, 2025	12	12.05	12.05	12.27	11.66	77,500
September 18, 2025	11.82	12.07	12.07	12.07	11.33	35,300
September 17, 2025	11.56	11.59	11.59	11.83	11.51	13,900

Atara Biotherapeutics, Inc. (ATRA) NASDAQ