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Spero Therapeutics, Inc. (SPRO)
NASDAQ: SPRO · Real-Time Price · USD
2.300
+0.010 (0.44%)
At close: Mar 6, 2026, 4:00 PM EST
2.290
-0.010 (-0.43%)
After-hours: Mar 6, 2026, 7:06 PM EST

Spero Therapeutics Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Mar 6, 20262.272.312.252.302.300.44%139,078
Mar 5, 20262.262.302.222.292.29-178,365
Mar 4, 20262.212.312.202.292.294.57%314,954
Mar 3, 20262.132.212.112.192.19-228,839
Mar 2, 20262.122.212.122.192.190.92%195,918
Feb 27, 20262.222.272.152.172.17-1.81%286,334
Feb 26, 20262.222.252.172.212.21-0.45%273,214
Feb 25, 20262.222.262.192.222.22-0.45%236,714
Feb 24, 20262.232.262.152.232.23-0.45%682,735
Feb 23, 20262.322.332.202.242.24-2.61%565,445
Feb 20, 20262.382.392.282.302.30-4.17%158,951
Feb 19, 20262.332.412.322.402.403.00%166,767
Feb 18, 20262.352.412.322.332.33-0.85%265,949
Feb 17, 20262.392.402.302.352.35-1.67%283,174
Feb 13, 20262.382.442.382.392.390.42%136,759
Feb 12, 20262.372.412.322.382.380.42%104,185
Feb 11, 20262.372.432.322.372.370.42%138,164
Feb 10, 20262.402.402.352.362.36-169,827
Feb 9, 20262.402.402.282.362.36-2.48%349,095
Feb 6, 20262.312.432.312.422.425.22%1,027,764
Feb 5, 20262.252.492.252.302.300.44%746,954
Feb 4, 20262.262.322.192.292.297.01%936,887
Feb 3, 20262.212.292.102.142.14-4.04%440,521
Feb 2, 20262.152.272.142.232.231.83%277,117
Jan 30, 20262.242.252.182.192.19-2.67%244,496
Jan 29, 20262.232.302.222.252.250.90%168,873
Jan 28, 20262.362.372.222.232.23-5.91%369,419
Jan 27, 20262.452.452.352.372.37-3.27%244,759
Jan 26, 20262.432.472.372.452.450.41%181,741
Jan 23, 20262.442.462.422.442.44-0.41%151,710
Jan 22, 20262.342.462.322.452.453.81%299,606
Jan 21, 20262.382.412.322.362.36-0.84%160,224
Jan 20, 20262.402.402.312.382.38-1.24%276,760
Jan 16, 20262.402.422.342.412.410.42%266,138
Jan 15, 20262.502.512.392.402.40-4.38%222,282
Jan 14, 20262.452.522.412.512.512.45%215,618
Jan 13, 20262.512.522.452.452.45-2.39%168,061
Jan 12, 20262.532.552.482.512.51-1.57%167,825
Jan 9, 20262.572.572.522.552.55-0.78%150,689
Jan 8, 20262.592.602.512.572.57-1.15%284,645
Jan 7, 20262.512.662.492.602.603.59%322,197
Jan 6, 20262.442.522.422.512.513.29%283,155
Jan 5, 20262.382.472.382.432.433.40%304,552
Jan 2, 20262.322.372.302.352.350.86%247,408
Dec 31, 20252.272.332.272.332.332.64%218,071
Dec 30, 20252.292.302.272.272.27-1.30%195,538
Dec 29, 20252.312.322.272.302.30-0.86%163,617
Dec 26, 20252.332.372.272.322.32-0.85%280,387
Dec 24, 20252.322.362.312.342.340.43%89,843
Dec 23, 20252.362.422.312.332.33-1.69%245,253
Dec 22, 20252.322.372.292.372.372.16%260,266
Dec 19, 20252.352.422.282.322.321.31%465,242
Dec 18, 20252.332.342.282.292.29-0.87%290,860
Dec 17, 20252.292.382.292.312.311.76%308,549
Dec 16, 20252.292.312.262.272.27-0.87%202,614
Dec 15, 20252.332.352.292.292.29-1.29%208,150
Dec 12, 20252.362.362.302.322.32-1.28%287,791
Dec 11, 20252.332.362.312.352.350.86%186,053
Dec 10, 20252.342.392.312.332.33-335,973
Dec 9, 20252.312.352.262.332.330.87%349,458
Dec 8, 20252.292.362.272.312.312.21%323,470
Dec 5, 20252.292.312.252.262.26-0.88%161,019
Dec 4, 20252.272.332.242.282.28-241,722
Dec 3, 20252.212.292.182.282.283.64%364,377
Dec 2, 20252.282.292.202.202.20-3.08%505,006
Dec 1, 20252.332.382.262.272.27-5.42%367,562
Nov 28, 20252.352.422.332.402.403.00%136,577
Nov 26, 20252.352.382.282.332.33-0.43%363,195
Nov 25, 20252.372.372.302.342.34-1.68%284,206
Nov 24, 20252.342.402.332.382.383.03%627,019
Nov 21, 20252.222.332.212.312.312.21%171,815
Nov 20, 20252.402.422.232.262.26-5.04%435,118
Nov 19, 20252.472.472.332.382.38-3.64%512,698
Nov 18, 20252.402.492.372.472.471.65%325,366
Nov 17, 20252.412.572.412.432.430.83%635,133
Nov 14, 20252.392.482.332.412.41-1.23%251,250
Nov 13, 20252.662.722.432.442.44-8.27%881,763
Nov 12, 20252.632.752.612.662.661.53%752,585
Nov 11, 20252.502.662.502.622.624.80%675,270
Nov 10, 20252.452.572.452.502.501.63%481,910
Nov 7, 20252.382.462.352.462.462.93%514,784
Nov 6, 20252.432.472.382.392.39-1.65%603,829
Nov 5, 20252.352.482.352.432.433.40%596,286
Nov 4, 20252.352.472.332.352.35-1.26%706,066
Nov 3, 20252.442.472.322.382.38-2.06%447,720
Oct 31, 20252.352.482.332.432.432.97%493,271
Oct 30, 20252.332.442.312.362.361.29%332,813
Oct 29, 20252.372.402.302.332.33-2.10%433,938
Oct 28, 20252.282.422.272.382.383.93%585,780
Oct 27, 20252.222.302.212.292.293.62%296,186
Oct 24, 20252.202.252.192.212.210.45%451,821
Oct 23, 20252.242.282.162.202.20-2.22%667,257
Oct 22, 20252.302.322.242.252.25-5.06%1,165,741
Oct 21, 20252.312.502.302.372.373.49%12,750,029
Oct 20, 20252.222.322.222.292.293.62%376,862
Oct 17, 20252.312.322.212.212.21-5.96%619,037
Oct 16, 20252.502.522.342.352.35-5.62%485,800
Oct 15, 20252.402.492.362.492.495.51%593,716
Oct 14, 20252.242.392.242.362.363.06%449,224
Oct 13, 20252.352.412.242.292.291.78%553,849