Spero Therapeutics, Inc. (SPRO)

NASDAQ: SPRO · Real-Time Price · USD

2.150

-0.010 (-0.46%)

At close: Jul 8, 2026, 4:00 PM EDT

2.190

+0.040 (1.86%)

After-hours: Jul 8, 2026, 7:32 PM EDT

Spero Therapeutics Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Jul 8, 2026	2.14	2.23	2.13	2.17	2.17	0.46%	303,907
Jul 7, 2026	2.16	2.20	2.12	2.16	2.16	-1.37%	876,620
Jul 6, 2026	2.17	2.21	2.15	2.19	2.19	-0.45%	350,529
Jul 2, 2026	2.23	2.28	2.15	2.20	2.20	-0.90%	626,827
Jul 1, 2026	2.21	2.27	2.21	2.22	2.22	0.45%	397,061
Jun 30, 2026	2.26	2.29	2.20	2.21	2.21	-2.21%	432,346
Jun 29, 2026	2.26	2.33	2.25	2.26	2.26	-	516,042
Jun 26, 2026	2.03	2.33	2.01	2.26	2.26	11.88%	2,217,115
Jun 25, 2026	2.12	2.13	2.02	2.02	2.02	-3.81%	1,138,022
Jun 24, 2026	2.15	2.23	2.10	2.10	2.10	-2.33%	880,684
Jun 23, 2026	2.16	2.23	2.15	2.15	2.15	-2.71%	605,271
Jun 22, 2026	2.28	2.36	2.16	2.21	2.21	-3.07%	2,221,308
Jun 18, 2026	2.51	2.51	2.15	2.28	2.28	8.06%	7,179,922
Jun 17, 2026	2.87	3.05	1.95	2.11	2.11	-23.83%	11,185,567
Jun 16, 2026	2.94	2.98	2.75	2.77	2.77	-4.81%	1,432,159
Jun 15, 2026	2.93	2.97	2.85	2.91	2.91	2.11%	938,025
Jun 12, 2026	2.72	2.85	2.70	2.85	2.85	5.56%	623,936
Jun 11, 2026	2.55	2.76	2.48	2.70	2.70	6.30%	1,156,442
Jun 10, 2026	2.62	2.64	2.51	2.54	2.54	-1.17%	762,512
Jun 9, 2026	2.78	2.81	2.52	2.57	2.57	-6.20%	1,129,218
Jun 8, 2026	2.84	2.87	2.73	2.74	2.74	-2.84%	649,253
Jun 5, 2026	3.00	3.00	2.76	2.82	2.82	-5.37%	756,307
Jun 4, 2026	2.79	3.07	2.78	2.98	2.98	6.43%	1,026,065
Jun 3, 2026	2.86	2.87	2.77	2.80	2.80	-1.06%	775,516
Jun 2, 2026	2.81	2.87	2.76	2.83	2.83	-	606,437
Jun 1, 2026	2.83	2.89	2.79	2.83	2.83	-	649,029
May 29, 2026	2.92	2.92	2.75	2.83	2.83	-2.41%	1,340,207
May 28, 2026	2.93	3.00	2.90	2.90	2.90	-1.02%	791,950
May 27, 2026	2.86	3.08	2.81	2.93	2.93	2.45%	1,774,387
May 26, 2026	2.80	2.95	2.76	2.86	2.86	3.62%	1,516,806
May 22, 2026	2.71	2.85	2.69	2.76	2.76	2.60%	545,468
May 21, 2026	2.63	2.71	2.56	2.69	2.69	2.28%	433,214
May 20, 2026	2.59	2.65	2.55	2.63	2.63	1.54%	320,203
May 19, 2026	2.52	2.62	2.50	2.59	2.59	0.39%	323,160
May 18, 2026	2.77	2.79	2.57	2.58	2.58	-7.53%	917,938
May 15, 2026	2.71	2.89	2.69	2.79	2.79	1.09%	938,966
May 14, 2026	2.44	2.76	2.37	2.76	2.76	13.11%	1,606,705
May 13, 2026	2.56	2.56	2.43	2.44	2.44	-3.94%	675,027
May 12, 2026	2.51	2.56	2.48	2.54	2.54	-0.39%	350,939
May 11, 2026	2.62	2.67	2.54	2.55	2.55	-0.39%	431,855
May 8, 2026	2.52	2.58	2.49	2.56	2.56	1.99%	355,975
May 7, 2026	2.54	2.62	2.50	2.51	2.51	-0.79%	566,249
May 6, 2026	2.47	2.57	2.44	2.53	2.53	4.55%	620,277
May 5, 2026	2.51	2.59	2.41	2.42	2.42	-3.20%	506,928
May 4, 2026	2.50	2.61	2.46	2.50	2.50	0.81%	462,338
May 1, 2026	2.54	2.63	2.48	2.48	2.48	-1.20%	494,431
Apr 30, 2026	2.50	2.58	2.50	2.51	2.51	-0.79%	363,858
Apr 29, 2026	2.65	2.66	2.47	2.53	2.53	-5.24%	828,454
Apr 28, 2026	2.68	2.73	2.67	2.67	2.67	-	219,094
Apr 27, 2026	2.74	2.75	2.67	2.67	2.67	-2.55%	322,735