Spero Therapeutics, Inc. - Common Stock (SPRO)

Historical Prices For Spero Therapeutics, Inc. - Common Stock (SPRO)

Date Range:

2025-06-04 - 2025-09-04

Date	Open	High	Low	Close	Volume	Adjusted Close
9/03/2025	2.06	2.12	2.04	2.08	291,283	2.08
9/02/2025	2.04	2.12	2.03	2.05	417,019	2.05
8/29/2025	2.01	2.07	2.00	2.07	396,975	2.07
8/28/2025	1.97	2.04	1.96	2.00	254,921	2.00
8/27/2025	1.85	2.01	1.85	1.98	554,715	1.98
8/26/2025	1.83	1.88	1.83	1.85	161,205	1.85
8/25/2025	1.89	1.90	1.84	1.85	192,372	1.85
8/22/2025	1.89	1.94	1.86	1.87	302,539	1.87
8/21/2025	1.81	1.90	1.81	1.86	536,252	1.86
8/20/2025	1.81	1.85	1.80	1.83	441,473	1.83
8/19/2025	1.88	1.91	1.83	1.84	367,449	1.84
8/18/2025	1.91	1.94	1.89	1.91	521,166	1.91
8/15/2025	1.95	1.96	1.85	1.91	1,046,944	1.91
8/14/2025	1.92	2.00	1.92	1.98	626,243	1.98
8/13/2025	2.15	2.15	1.92	1.94	2,491,091	1.94
8/12/2025	2.21	2.38	2.21	2.36	657,188	2.36
8/11/2025	2.19	2.23	2.15	2.20	360,239	2.20
8/08/2025	2.16	2.23	2.16	2.19	402,219	2.19
8/07/2025	2.25	2.27	2.13	2.17	1,003,308	2.17
8/06/2025	2.15	2.31	2.15	2.26	817,747	2.26
8/05/2025	2.29	2.33	2.11	2.12	2,317,529	2.12
8/04/2025	2.32	2.39	2.20	2.26	950,319	2.26
8/01/2025	2.26	2.33	2.22	2.30	518,730	2.30
7/31/2025	2.17	2.44	2.17	2.32	917,355	2.32
7/30/2025	2.25	2.26	2.16	2.17	485,050	2.17
7/29/2025	2.29	2.31	2.17	2.20	879,107	2.20
7/28/2025	2.30	2.35	2.29	2.30	295,620	2.30
7/25/2025	2.34	2.40	2.32	2.33	350,749	2.33
7/24/2025	2.38	2.41	2.35	2.35	368,539	2.35
7/23/2025	2.40	2.45	2.37	2.38	656,852	2.38
7/22/2025	2.33	2.45	2.32	2.41	586,651	2.41
7/21/2025	2.36	2.41	2.30	2.32	534,870	2.32
7/18/2025	2.48	2.53	2.35	2.37	970,578	2.37
7/17/2025	2.49	2.51	2.47	2.48	501,392	2.48
7/16/2025	2.49	2.52	2.45	2.47	867,361	2.47
7/15/2025	2.61	2.63	2.47	2.49	1,026,345	2.49
7/14/2025	2.79	2.84	2.61	2.64	910,811	2.64
7/11/2025	2.85	2.90	2.76	2.81	1,005,881	2.81
7/10/2025	3.00	3.07	2.83	2.84	1,845,891	2.84
7/09/2025	2.97	3.22	2.95	3.04	1,725,044	3.04
7/08/2025	2.89	3.00	2.89	2.94	629,956	2.94
7/07/2025	2.91	2.94	2.90	2.90	844,837	2.90
7/03/2025	2.90	2.94	2.90	2.91	390,072	2.91
7/02/2025	2.90	3.03	2.90	2.90	1,098,186	2.90
7/01/2025	2.92	2.95	2.90	2.90	644,810	2.90
6/30/2025	2.99	3.00	2.90	2.90	1,156,109	2.90
6/27/2025	2.91	3.09	2.90	2.94	1,691,938	2.94
6/26/2025	2.94	2.94	2.87	2.90	557,951	2.90
6/25/2025	2.90	2.93	2.79	2.90	1,462,961	2.90
6/24/2025	2.97	2.97	2.81	2.88	1,012,587	2.88
6/23/2025	3.00	3.00	2.88	2.93	863,767	2.93
6/20/2025	2.93	3.02	2.87	3.02	2,110,458	3.02
6/18/2025	2.95	2.98	2.86	2.94	1,848,456	2.94
6/17/2025	2.85	2.95	2.81	2.90	2,094,628	2.90
6/16/2025	2.84	2.95	2.83	2.85	1,110,642	2.85
6/13/2025	2.82	2.86	2.77	2.83	2,078,613	2.83
6/12/2025	2.80	3.06	2.71	2.89	2,123,860	2.89
6/11/2025	2.85	2.89	2.64	2.80	1,886,071	2.80
6/10/2025	2.76	2.93	2.72	2.85	2,222,942	2.85
6/09/2025	2.55	2.81	2.50	2.76	3,997,560	2.76
6/06/2025	2.54	2.74	2.45	2.50	2,552,070	2.50
6/05/2025	2.64	2.69	2.52	2.56	1,724,493	2.56
6/04/2025	2.61	2.90	2.47	2.66	2,652,098	2.66