SPRO
SPERO THERAPETCS (SPRO)
NASDAQ
$2.17+$0.02 (+0.70%)
Price as of Jun 23, 2026 7:50 PM EDT
  • $128.0M
    Market Cap
  • -25.35%
    1-Year Change
  • Biotechnology
    Industry
  • 1 Month
    -22.10%
    Low Price$2.11
    High Price$2.98
  • 3 Months
    -8.51%
    Low Price$2.11
    High Price$2.98
  • 1 Year
    -25.35%
    Low Price$1.83
    High Price$3.04
Date
Open
High
Low
Close
Change (%)
Volume
06/23/2026
2.16
2.23
2.15
2.15
-2.71%
609,657
06/22/2026
2.28
2.36
2.16
2.21
-3.07%
2,271,190
06/18/2026
2.51
2.51
2.15
2.28
+8.06%
7,195,319
06/17/2026
2.87
3.05
1.95
2.11
-23.83%
11,179,567
06/16/2026
2.94
2.98
2.75
2.77
-4.81%
1,432,159
06/15/2026
2.93
2.97
2.85
2.91
+2.11%
938,025
06/12/2026
2.72
2.85
2.70
2.85
+5.56%
623,936
06/11/2026
2.55
2.76
2.48
2.70
+6.30%
1,156,442
06/10/2026
2.62
2.64
2.51
2.54
-1.17%
762,512
06/09/2026
2.78
2.81
2.52
2.57
-6.20%
1,129,218
06/08/2026
2.84
2.87
2.73
2.74
-2.84%
649,253
06/05/2026
3.00
3.00
2.76
2.82
-5.37%
756,291
06/04/2026
2.79
3.07
2.78
2.98
+6.43%
1,026,065
06/03/2026
2.86
2.87
2.77
2.80
-1.06%
775,490
06/02/2026
2.81
2.87
2.76
2.83
0.00%
606,437
06/01/2026
2.83
2.89
2.79
2.83
0.00%
649,029
05/29/2026
2.92
2.92
2.75
2.83
-2.41%
1,340,207
05/28/2026
2.93
3.00
2.90
2.90
-1.02%
791,950
05/27/2026
2.86
3.08
2.81
2.93
+2.45%
1,774,387
05/26/2026
2.80
2.95
2.76
2.86
+3.62%
1,516,806
05/22/2026
2.71
2.85
2.69
2.76
+2.60%
545,468
05/21/2026
2.63
2.71
2.56
2.69
+2.28%
433,214
05/20/2026
2.59
2.65
2.55
2.63
+1.54%
320,203
05/19/2026
2.52
2.62
2.50
2.59
+0.39%
323,160
05/18/2026
2.77
2.79
2.57
2.58
-7.53%
917,938
05/15/2026
2.71
2.89
2.69
2.79
+1.09%
938,966
05/14/2026
2.44
2.76
2.37
2.76
+13.11%
1,606,705
05/13/2026
2.56
2.56
2.43
2.44
-3.94%
675,027
05/13/2026
-$0.13 Earnings
05/12/2026
2.51
2.56
2.48
2.54
-0.39%
350,939
05/11/2026
2.62
2.67
2.54
2.55
-0.39%
431,855
05/08/2026
2.52
2.58
2.49
2.56
+1.99%
355,975
05/07/2026
2.54
2.62
2.50
2.51
-0.79%
566,249
05/06/2026
2.47
2.57
2.44
2.53
+4.55%
620,274
05/05/2026
2.51
2.59
2.41
2.42
-3.20%
506,928
05/04/2026
2.50
2.61
2.46
2.50
+0.81%
462,338
05/01/2026
2.54
2.63
2.48
2.48
-1.20%
494,431
04/30/2026
2.50
2.58
2.50
2.51
-0.79%
363,858
04/29/2026
2.65
2.66
2.47
2.53
-5.24%
828,454
04/28/2026
2.68
2.73
2.67
2.67
0.00%
219,094
04/27/2026
2.74
2.75
2.67
2.67
-2.55%
322,733
04/24/2026
2.82
2.82
2.74
2.74
-2.14%
346,529
04/23/2026
2.86
2.91
2.79
2.80
-2.10%
297,031
04/22/2026
2.84
2.93
2.84
2.86
+2.14%
319,737
04/21/2026
2.82
2.82
2.74
2.80
-1.41%
266,215
04/20/2026
2.73
2.86
2.71
2.84
+3.27%
395,812
04/17/2026
2.71
2.78
2.65
2.75
+2.61%
381,209
04/16/2026
2.64
2.71
2.62
2.68
+1.52%
552,122
04/15/2026
2.78
2.80
2.63
2.64
-5.04%
696,141
04/14/2026
2.84
2.88
2.76
2.78
0.00%
603,729
04/13/2026
2.67
2.86
2.67
2.78
+4.12%
614,602
04/10/2026
2.80
2.80
2.63
2.67
-3.96%
786,982
04/09/2026
2.72
2.80
2.67
2.78
+2.21%
450,517
04/08/2026
2.70
2.75
2.61
2.72
+1.87%
426,784
04/07/2026
2.59
2.69
2.48
2.67
+2.30%
693,208
04/06/2026
2.44
2.61
2.44
2.61
+7.41%
478,894
04/02/2026
2.41
2.45
2.38
2.43
-0.82%
214,374
04/01/2026
2.35
2.48
2.34
2.45
+4.70%
402,251
03/31/2026
2.29
2.36
2.21
2.34
+4.46%
485,409
03/30/2026
2.39
2.43
2.24
2.24
-3.86%
314,027
03/27/2026
2.30
2.44
2.28
2.33
-1.69%
498,713
03/26/2026
2.39
2.48
2.34
2.37
-1.66%
482,614
03/26/2026
$0.53 Earnings
03/25/2026
2.39
2.46
2.37
2.41
+1.69%
189,257
03/24/2026
2.29
2.47
2.29
2.37
+0.85%
394,992
03/23/2026
2.37
2.41
2.33
2.35
-0.84%
176,547
03/20/2026
2.47
2.47
2.35
2.37
-4.05%
235,757
03/19/2026
2.45
2.48
2.38
2.47
+0.41%
201,826
03/18/2026
2.58
2.58
2.40
2.46
-4.65%
351,569
03/17/2026
2.58
2.70
2.57
2.58
-0.39%
389,428
03/16/2026
2.57
2.62
2.55
2.59
+0.39%
214,874
03/13/2026
2.58
2.60
2.51
2.58
-0.39%
200,360
03/12/2026
2.56
2.64
2.50
2.59
0.00%
344,900
03/11/2026
2.43
2.60
2.40
2.59
+5.71%
620,108
03/10/2026
2.31
2.46
2.31
2.45
+5.60%
540,284
03/09/2026
2.27
2.36
2.22
2.32
+0.87%
377,519
03/06/2026
2.27
2.31
2.25
2.30
+0.44%
142,308
03/05/2026
2.26
2.30
2.22
2.29
0.00%
178,365
03/04/2026
2.21
2.31
2.20
2.29
+4.57%
315,136
03/03/2026
2.13
2.21
2.11
2.19
0.00%
228,839
03/02/2026
2.12
2.21
2.12
2.19
+0.92%
195,918
02/27/2026
2.22
2.27
2.15
2.17
-1.81%
290,164
02/26/2026
2.22
2.25
2.17
2.21
-0.45%
273,237
02/25/2026
2.22
2.26
2.19
2.22
-0.45%
236,714
02/24/2026
2.23
2.26
2.15
2.23
-0.45%
682,853
02/23/2026
2.32
2.33
2.20
2.24
-2.61%
565,908
02/20/2026
2.38
2.39
2.28
2.30
-4.17%
159,081
02/19/2026
2.33
2.41
2.32
2.40
+3.00%
172,787
02/18/2026
2.35
2.41
2.32
2.33
-0.85%
266,054
02/17/2026
2.39
2.40
2.30
2.35
-1.67%
283,174
02/13/2026
2.38
2.44
2.38
2.39
+0.42%
136,759
02/12/2026
2.37
2.41
2.32
2.38
+0.42%
104,212
02/11/2026
2.37
2.43
2.32
2.37
+0.42%
138,164
02/10/2026
2.40
2.40
2.35
2.36
0.00%
173,628
02/09/2026
2.40
2.40
2.28
2.36
-2.48%
349,226
02/06/2026
2.31
2.43
2.31
2.42
+5.22%
1,027,764
02/05/2026
2.25
2.49
2.25
2.30
+0.44%
748,657
02/04/2026
2.26
2.32
2.19
2.29
+7.01%
937,763
02/03/2026
2.21
2.29
2.10
2.14
-4.04%
440,521
02/02/2026
2.15
2.27
2.14
2.23
+1.83%
277,128