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Spero Therapeutics, Inc. (SPRO)
NASDAQ: SPRO · Real-Time Price · USD
2.260
+0.240 (11.88%)
At close: Jun 26, 2026, 4:00 PM EDT
2.286
+0.026 (1.14%)
After-hours: Jun 26, 2026, 7:57 PM EDT

Spero Therapeutics Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Jun 26, 20262.032.332.012.262.2611.88%2,217,115
Jun 25, 20262.122.132.022.022.02-3.81%1,138,022
Jun 24, 20262.152.232.102.102.10-2.33%880,684
Jun 23, 20262.162.232.152.152.15-2.71%605,271
Jun 22, 20262.282.362.162.212.21-3.07%2,221,308
Jun 18, 20262.512.512.152.282.288.06%7,179,922
Jun 17, 20262.873.051.952.112.11-23.83%11,185,567
Jun 16, 20262.942.982.752.772.77-4.81%1,432,159
Jun 15, 20262.932.972.852.912.912.11%938,025
Jun 12, 20262.722.852.702.852.855.56%623,936
Jun 11, 20262.552.762.482.702.706.30%1,156,442
Jun 10, 20262.622.642.512.542.54-1.17%762,512
Jun 9, 20262.782.812.522.572.57-6.20%1,129,218
Jun 8, 20262.842.872.732.742.74-2.84%649,253
Jun 5, 20263.003.002.762.822.82-5.37%756,307
Jun 4, 20262.793.072.782.982.986.43%1,026,065
Jun 3, 20262.862.872.772.802.80-1.06%775,516
Jun 2, 20262.812.872.762.832.83-606,437
Jun 1, 20262.832.892.792.832.83-649,029
May 29, 20262.922.922.752.832.83-2.41%1,340,207
May 28, 20262.933.002.902.902.90-1.02%791,950
May 27, 20262.863.082.812.932.932.45%1,774,387
May 26, 20262.802.952.762.862.863.62%1,516,806
May 22, 20262.712.852.692.762.762.60%545,468
May 21, 20262.632.712.562.692.692.28%433,214
May 20, 20262.592.652.552.632.631.54%320,203
May 19, 20262.522.622.502.592.590.39%323,160
May 18, 20262.772.792.572.582.58-7.53%917,938
May 15, 20262.712.892.692.792.791.09%938,966
May 14, 20262.442.762.372.762.7613.11%1,606,705
May 13, 20262.562.562.432.442.44-3.94%675,027
May 12, 20262.512.562.482.542.54-0.39%350,939
May 11, 20262.622.672.542.552.55-0.39%431,855
May 8, 20262.522.582.492.562.561.99%355,975
May 7, 20262.542.622.502.512.51-0.79%566,249
May 6, 20262.472.572.442.532.534.55%620,277
May 5, 20262.512.592.412.422.42-3.20%506,928
May 4, 20262.502.612.462.502.500.81%462,338
May 1, 20262.542.632.482.482.48-1.20%494,431
Apr 30, 20262.502.582.502.512.51-0.79%363,858
Apr 29, 20262.652.662.472.532.53-5.24%828,454
Apr 28, 20262.682.732.672.672.67-219,094
Apr 27, 20262.742.752.672.672.67-2.55%322,735
Apr 24, 20262.822.822.742.742.74-2.14%346,529
Apr 23, 20262.862.912.792.802.80-2.10%297,031
Apr 22, 20262.842.932.842.862.862.14%319,737
Apr 21, 20262.822.822.742.802.80-1.41%266,215
Apr 20, 20262.732.862.712.842.843.27%395,812
Apr 17, 20262.712.782.652.752.752.61%381,209
Apr 16, 20262.642.712.622.682.681.52%552,122
Apr 15, 20262.782.802.632.642.64-5.04%696,141
Apr 14, 20262.842.882.762.782.78-603,729
Apr 13, 20262.672.862.672.782.784.12%614,602
Apr 10, 20262.802.802.632.672.67-3.96%786,982
Apr 9, 20262.722.802.672.782.782.21%450,193
Apr 8, 20262.702.752.612.722.721.87%426,784
Apr 7, 20262.592.692.482.672.672.30%693,208
Apr 6, 20262.442.612.442.612.617.41%478,894
Apr 2, 20262.412.452.382.432.43-0.82%214,374
Apr 1, 20262.352.482.342.452.454.70%402,251
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