Spero Therapeutics Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Mar 3, 2026	2.13	2.21	2.11	2.19	2.19	-	228,839
Mar 2, 2026	2.12	2.21	2.12	2.19	2.19	0.92%	195,918
Feb 27, 2026	2.22	2.27	2.15	2.17	2.17	-1.81%	286,334
Feb 26, 2026	2.22	2.25	2.17	2.21	2.21	-0.45%	273,214
Feb 25, 2026	2.22	2.26	2.19	2.22	2.22	-0.45%	236,714
Feb 24, 2026	2.23	2.26	2.15	2.23	2.23	-0.45%	682,735
Feb 23, 2026	2.32	2.33	2.20	2.24	2.24	-2.61%	565,445
Feb 20, 2026	2.38	2.39	2.28	2.30	2.30	-4.17%	158,951
Feb 19, 2026	2.33	2.41	2.32	2.40	2.40	3.00%	166,767
Feb 18, 2026	2.35	2.41	2.32	2.33	2.33	-0.85%	265,949
Feb 17, 2026	2.39	2.40	2.30	2.35	2.35	-1.67%	283,174
Feb 13, 2026	2.38	2.44	2.38	2.39	2.39	0.42%	136,759
Feb 12, 2026	2.37	2.41	2.32	2.38	2.38	0.42%	104,185
Feb 11, 2026	2.37	2.43	2.32	2.37	2.37	0.42%	138,164
Feb 10, 2026	2.40	2.40	2.35	2.36	2.36	-	169,827
Feb 9, 2026	2.40	2.40	2.28	2.36	2.36	-2.48%	349,095
Feb 6, 2026	2.31	2.43	2.31	2.42	2.42	5.22%	1,027,764
Feb 5, 2026	2.25	2.49	2.25	2.30	2.30	0.44%	746,954
Feb 4, 2026	2.26	2.32	2.19	2.29	2.29	7.01%	936,887
Feb 3, 2026	2.21	2.29	2.10	2.14	2.14	-4.04%	440,521
Feb 2, 2026	2.15	2.27	2.14	2.23	2.23	1.83%	277,117
Jan 30, 2026	2.24	2.25	2.18	2.19	2.19	-2.67%	244,496
Jan 29, 2026	2.23	2.30	2.22	2.25	2.25	0.90%	168,873
Jan 28, 2026	2.36	2.37	2.22	2.23	2.23	-5.91%	369,419
Jan 27, 2026	2.45	2.45	2.35	2.37	2.37	-3.27%	244,759
Jan 26, 2026	2.43	2.47	2.37	2.45	2.45	0.41%	181,741
Jan 23, 2026	2.44	2.46	2.42	2.44	2.44	-0.41%	151,710
Jan 22, 2026	2.34	2.46	2.32	2.45	2.45	3.81%	299,606
Jan 21, 2026	2.38	2.41	2.32	2.36	2.36	-0.84%	160,224
Jan 20, 2026	2.40	2.40	2.31	2.38	2.38	-1.24%	276,760
Jan 16, 2026	2.40	2.42	2.34	2.41	2.41	0.42%	266,138
Jan 15, 2026	2.50	2.51	2.39	2.40	2.40	-4.38%	222,282
Jan 14, 2026	2.45	2.52	2.41	2.51	2.51	2.45%	215,618
Jan 13, 2026	2.51	2.52	2.45	2.45	2.45	-2.39%	168,061
Jan 12, 2026	2.53	2.55	2.48	2.51	2.51	-1.57%	167,825
Jan 9, 2026	2.57	2.57	2.52	2.55	2.55	-0.78%	150,689
Jan 8, 2026	2.59	2.60	2.51	2.57	2.57	-1.15%	284,645
Jan 7, 2026	2.51	2.66	2.49	2.60	2.60	3.59%	322,197
Jan 6, 2026	2.44	2.52	2.42	2.51	2.51	3.29%	283,155
Jan 5, 2026	2.38	2.47	2.38	2.43	2.43	3.40%	304,552
Jan 2, 2026	2.32	2.37	2.30	2.35	2.35	0.86%	247,408
Dec 31, 2025	2.27	2.33	2.27	2.33	2.33	2.64%	218,071
Dec 30, 2025	2.29	2.30	2.27	2.27	2.27	-1.30%	195,538
Dec 29, 2025	2.31	2.32	2.27	2.30	2.30	-0.86%	163,617
Dec 26, 2025	2.33	2.37	2.27	2.32	2.32	-0.85%	280,387
Dec 24, 2025	2.32	2.36	2.31	2.34	2.34	0.43%	89,843
Dec 23, 2025	2.36	2.42	2.31	2.33	2.33	-1.69%	245,253
Dec 22, 2025	2.32	2.37	2.29	2.37	2.37	2.16%	260,266
Dec 19, 2025	2.35	2.42	2.28	2.32	2.32	1.31%	465,242
Dec 18, 2025	2.33	2.34	2.28	2.29	2.29	-0.87%	290,860