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

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
February 20, 2026	2.38	2.3	2.3	2.39	2.28	159,081
February 19, 2026	2.33	2.4	2.4	2.41	2.32	172,800
February 18, 2026	2.35	2.33	2.33	2.4	2.32	266,054
February 17, 2026	2.39	2.35	2.35	2.4	2.3	283,200
February 13, 2026	2.38	2.39	2.39	2.44	2.38	136,759
February 12, 2026	2.37	2.38	2.38	2.41	2.32	104,212
February 11, 2026	2.37	2.37	2.37	2.43	2.32	138,200
February 10, 2026	2.4	2.36	2.36	2.4	2.35	173,628
February 09, 2026	2.4	2.36	2.36	2.4	2.28	349,226
February 06, 2026	2.31	2.42	2.42	2.43	2.31	1.03M
February 05, 2026	2.25	2.3	2.3	2.49	2.25	748,700
February 04, 2026	2.26	2.29	2.29	2.32	2.19	937,800
February 03, 2026	2.21	2.14	2.14	2.29	2.1	440,521
February 02, 2026	2.15	2.23	2.23	2.27	2.14	277,128
January 30, 2026	2.24	2.19	2.19	2.25	2.18	244,496
January 29, 2026	2.23	2.25	2.25	2.3	2.22	168,900
January 28, 2026	2.36	2.23	2.23	2.37	2.22	369,419
January 27, 2026	2.45	2.37	2.37	2.45	2.35	244,759
January 26, 2026	2.43	2.45	2.45	2.47	2.37	181,741
January 23, 2026	2.44	2.44	2.44	2.46	2.42	146,685
January 22, 2026	2.34	2.45	2.45	2.46	2.32	299,606
January 21, 2026	2.38	2.36	2.36	2.4	2.32	160,224
January 20, 2026	2.4	2.38	2.38	2.4	2.31	276,760
January 16, 2026	2.4	2.41	2.41	2.42	2.34	266,138
January 15, 2026	2.5	2.4	2.4	2.51	2.39	222,300
January 14, 2026	2.45	2.51	2.51	2.52	2.41	215,618
January 13, 2026	2.51	2.45	2.45	2.52	2.44	168,061
January 12, 2026	2.53	2.51	2.51	2.55	2.48	167,825
January 09, 2026	2.57	2.55	2.55	2.57	2.52	150,700
January 08, 2026	2.59	2.57	2.57	2.6	2.51	284,645
January 07, 2026	2.51	2.6	2.6	2.66	2.49	322,200
January 06, 2026	2.44	2.51	2.51	2.52	2.42	283,200
January 05, 2026	2.38	2.43	2.43	2.47	2.38	304,600
January 02, 2026	2.32	2.35	2.35	2.37	2.3	247,408
December 31, 2025	2.27	2.33	2.33	2.33	2.27	218,100
December 30, 2025	2.29	2.27	2.27	2.3	2.27	195,538
December 29, 2025	2.31	2.3	2.3	2.32	2.27	163,617
December 26, 2025	2.33	2.32	2.32	2.37	2.27	280,400
December 24, 2025	2.32	2.34	2.34	2.36	2.31	89,843
December 23, 2025	2.36	2.33	2.33	2.42	2.31	245,300
December 22, 2025	2.32	2.37	2.37	2.37	2.29	260,300
December 19, 2025	2.35	2.32	2.32	2.42	2.28	465,242
December 18, 2025	2.33	2.29	2.29	2.34	2.28	290,860
December 17, 2025	2.29	2.31	2.31	2.38	2.29	308,549
December 16, 2025	2.29	2.27	2.27	2.31	2.26	202,614
December 15, 2025	2.33	2.29	2.29	2.35	2.29	208,200
December 12, 2025	2.36	2.32	2.32	2.36	2.3	287,791
December 11, 2025	2.33	2.35	2.35	2.36	2.31	186,100
December 10, 2025	2.34	2.33	2.33	2.39	2.31	335,921
December 09, 2025	2.31	2.33	2.33	2.35	2.26	349,458
December 08, 2025	2.29	2.31	2.31	2.36	2.27	323,470
December 05, 2025	2.29	2.26	2.26	2.31	2.25	161,019
December 04, 2025	2.27	2.28	2.28	2.33	2.24	241,507
December 03, 2025	2.21	2.28	2.28	2.29	2.18	364,400
December 02, 2025	2.28	2.2	2.2	2.29	2.2	505,006
December 01, 2025	2.33	2.27	2.27	2.38	2.26	367,562
November 28, 2025	2.35	2.4	2.4	2.42	2.33	136,577
November 26, 2025	2.35	2.33	2.33	2.38	2.28	363,195
November 25, 2025	2.37	2.34	2.34	2.37	2.3	284,206
November 24, 2025	2.34	2.38	2.38	2.4	2.33	627,019

Spero Therapeutics, Inc. (SPRO) NASDAQ