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Spero Therapeutics, Inc. (SPRO)
NASDAQ: SPRO · Real-Time Price · USD
2.670
0.00 (0.00%)
At close: Apr 28, 2026, 4:00 PM EDT
2.650
-0.020 (-0.75%)
After-hours: Apr 28, 2026, 5:00 PM EDT

Spero Therapeutics Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Apr 28, 20262.682.732.672.672.67-219,060
Apr 27, 20262.742.752.672.672.67-2.55%322,735
Apr 24, 20262.822.822.742.742.74-2.14%346,229
Apr 23, 20262.862.912.792.802.80-2.10%296,664
Apr 22, 20262.842.932.842.862.862.14%317,827
Apr 21, 20262.822.822.742.802.80-1.41%259,392
Apr 20, 20262.732.862.712.842.843.27%386,158
Apr 17, 20262.712.782.652.752.752.61%381,043
Apr 16, 20262.642.712.622.682.681.52%550,399
Apr 15, 20262.782.802.632.642.64-5.04%694,473
Apr 14, 20262.842.882.762.782.78-602,534
Apr 13, 20262.672.862.672.782.784.12%596,396
Apr 10, 20262.802.802.632.672.67-3.96%786,941
Apr 9, 20262.722.802.672.782.782.21%449,217
Apr 8, 20262.702.752.612.722.721.87%426,150
Apr 7, 20262.592.692.482.672.672.30%689,934
Apr 6, 20262.442.612.442.612.617.41%478,729
Apr 2, 20262.412.452.382.432.43-0.82%214,374
Apr 1, 20262.352.482.342.452.454.70%402,248
Mar 31, 20262.292.362.212.342.344.46%485,409
Mar 30, 20262.392.432.242.242.24-3.86%314,027
Mar 27, 20262.302.442.282.332.33-1.69%498,713
Mar 26, 20262.392.482.342.372.37-1.66%482,614
Mar 25, 20262.392.462.372.412.411.69%189,257
Mar 24, 20262.292.472.292.372.370.85%394,992
Mar 23, 20262.372.412.332.352.35-0.84%176,547
Mar 20, 20262.472.472.352.372.37-4.05%235,757
Mar 19, 20262.452.482.382.472.470.41%201,826
Mar 18, 20262.582.582.402.462.46-4.65%351,569
Mar 17, 20262.582.702.572.582.58-0.39%389,628
Mar 16, 20262.572.622.552.592.590.39%214,874
Mar 13, 20262.582.602.512.582.58-0.39%200,360
Mar 12, 20262.562.642.502.592.59-344,900
Mar 11, 20262.432.602.402.592.595.71%620,108
Mar 10, 20262.312.462.312.452.455.60%540,284
Mar 9, 20262.272.362.222.322.320.87%377,519
Mar 6, 20262.272.312.252.302.300.44%142,308
Mar 5, 20262.262.302.222.292.29-178,365
Mar 4, 20262.212.312.202.292.294.57%315,136
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%290,164
Feb 26, 20262.222.252.172.212.21-0.45%273,237
Feb 25, 20262.222.262.192.222.22-0.45%236,714
Feb 24, 20262.232.262.152.232.23-0.45%682,853
Feb 23, 20262.322.332.202.242.24-2.61%565,908
Feb 20, 20262.382.392.282.302.30-4.17%159,081
Feb 19, 20262.332.412.322.402.403.00%172,787
Feb 18, 20262.352.412.322.332.33-0.85%266,054
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%104,212
Feb 11, 20262.372.432.322.372.370.42%138,164
Feb 10, 20262.402.402.352.362.36-173,628
Feb 9, 20262.402.402.282.362.36-2.48%349,226
Feb 6, 20262.312.432.312.422.425.22%1,027,764
Feb 5, 20262.252.492.252.302.300.44%748,657
Feb 4, 20262.262.322.192.292.297.01%937,763
Feb 3, 20262.212.292.102.142.14-4.04%440,521
Feb 2, 20262.152.272.142.232.231.83%277,128
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