Spero Therapeutics, Inc. - SPRO - Stock Historical Data & Price

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
September 30, 2025	1.91	1.88	1.88	1.91	1.84	385,870
September 29, 2025	1.89	1.9	1.9	1.93	1.88	158,728
September 26, 2025	1.93	1.89	1.89	1.96	1.87	397,502
September 25, 2025	1.98	1.94	1.94	1.98	1.91	249,715
September 24, 2025	2.02	1.97	1.97	2.04	1.97	256,042
September 23, 2025	2	2.01	2.01	2.05	1.98	193,102
September 22, 2025	2.01	2.03	2.03	2.03	1.97	345,958
September 19, 2025	2.02	2	2	2.05	1.96	393,615
September 18, 2025	1.9	2	2	2.01	1.9	273,192
September 17, 2025	1.89	1.9	1.9	1.95	1.89	148,632
September 16, 2025	1.88	1.9	1.9	1.91	1.87	134,200
September 15, 2025	1.91	1.88	1.88	1.92	1.87	305,400
September 12, 2025	1.96	1.9	1.9	1.99	1.89	391,231
September 11, 2025	1.94	1.95	1.95	2.02	1.94	286,700
September 10, 2025	1.99	1.94	1.94	2.02	1.91	351,892
September 09, 2025	1.96	1.98	1.98	2.01	1.94	223,066
September 08, 2025	2.16	2	2	2.18	1.86	521,520
September 05, 2025	2.14	2.15	2.15	2.17	2.13	175,191
September 04, 2025	2.08	2.14	2.14	2.19	2.07	520,743
September 03, 2025	2.06	2.08	2.08	2.12	2.04	291,300
September 02, 2025	2.04	2.05	2.05	2.12	2.03	417,020
August 29, 2025	2.01	2.07	2.07	2.07	2	396,975
August 28, 2025	1.97	2	2	2.04	1.96	254,921
August 27, 2025	1.85	1.98	1.98	2.01	1.85	555,415
August 26, 2025	1.83	1.85	1.85	1.88	1.83	161,205
August 25, 2025	1.89	1.85	1.85	1.9	1.85	192,412
August 22, 2025	1.89	1.87	1.87	1.94	1.86	302,539
August 21, 2025	1.83	1.86	1.86	1.9	1.81	534,182
August 20, 2025	1.81	1.83	1.83	1.85	1.8	441,978
August 19, 2025	1.88	1.84	1.84	1.91	1.84	367,449
August 18, 2025	1.91	1.91	1.91	1.94	1.89	521,504
August 15, 2025	1.95	1.91	1.91	1.96	1.85	1.05M
August 14, 2025	1.92	1.98	1.98	2.01	1.92	626,243
August 13, 2025	2.15	1.94	1.94	2.15	1.92	2.48M
August 12, 2025	2.21	2.36	2.36	2.38	2.21	677,646
August 11, 2025	2.19	2.2	2.2	2.23	2.15	360,244
August 08, 2025	2.16	2.19	2.19	2.23	2.16	402,219
August 07, 2025	2.25	2.17	2.17	2.27	2.13	1M
August 06, 2025	2.15	2.26	2.26	2.31	2.15	817,747
August 05, 2025	2.29	2.12	2.12	2.33	2.11	2.32M
August 04, 2025	2.32	2.26	2.26	2.39	2.2	950,419
August 01, 2025	2.26	2.3	2.3	2.33	2.22	518,730
July 31, 2025	2.17	2.32	2.32	2.44	2.17	912,868
July 30, 2025	2.25	2.17	2.17	2.26	2.16	481,528
July 29, 2025	2.29	2.2	2.2	2.31	2.17	879,108
July 28, 2025	2.3	2.3	2.3	2.35	2.29	295,621
July 25, 2025	2.34	2.33	2.33	2.4	2.32	350,749
July 24, 2025	2.38	2.35	2.35	2.41	2.35	364,105
July 23, 2025	2.4	2.38	2.38	2.45	2.37	657,756
July 22, 2025	2.33	2.41	2.41	2.45	2.32	586,700
July 21, 2025	2.36	2.32	2.32	2.41	2.3	534,900
July 18, 2025	2.48	2.37	2.37	2.53	2.35	970,600
July 17, 2025	2.51	2.48	2.48	2.51	2.47	491,772
July 16, 2025	2.49	2.47	2.47	2.52	2.45	867,377
July 15, 2025	2.61	2.49	2.49	2.63	2.47	1.03M
July 14, 2025	2.79	2.64	2.64	2.84	2.61	914,240
July 11, 2025	2.85	2.81	2.81	2.9	2.76	1.01M
July 10, 2025	3	2.84	2.84	3.07	2.83	1.85M
July 09, 2025	2.97	3.04	3.04	3.22	2.95	1.73M
July 08, 2025	2.89	2.94	2.94	3	2.89	631,700

Spero Therapeutics, Inc. (SPRO) NASDAQ