OSTX
OS THERAP (OSTX)
NYSE
$1.69+$0.005 (+0.30%)
Price as of Sep 11, 2026 7:59 PM EDT
  • $78.1M
    Market Cap
  • -25.33%
    1-Year Change
  • Biotechnology
    Industry
  • 1 Month
    +5.00%
    Low Price$1.44
    High Price$1.88
  • 3 Months
    -1.75%
    Low Price$1.44
    High Price$2.24
  • 1 Year
    -25.33%
    Low Price$1.16
    High Price$2.25
Date
Open
High
Low
Close
Change (%)
Volume
09/11/2026
1.81
1.84
1.66
1.68
-7.69%
825,503
09/10/2026
1.87
1.92
1.81
1.82
-2.15%
547,914
09/09/2026
1.83
1.92
1.80
1.86
+1.64%
393,179
09/08/2026
1.96
2.02
1.75
1.83
-2.66%
1,763,068
09/04/2026
1.84
1.96
1.84
1.88
+3.30%
982,579
09/03/2026
1.72
1.84
1.72
1.82
+6.43%
894,277
09/02/2026
1.68
1.72
1.61
1.71
+3.01%
530,467
09/01/2026
1.68
1.71
1.63
1.66
-1.78%
400,615
08/31/2026
1.62
1.69
1.62
1.69
+3.05%
234,957
08/28/2026
1.69
1.69
1.60
1.64
-2.38%
294,984
08/27/2026
1.65
1.72
1.64
1.68
+1.82%
518,150
08/26/2026
1.65
1.65
1.60
1.65
0.00%
351,463
08/25/2026
1.53
1.65
1.53
1.65
+6.45%
351,233
08/24/2026
1.50
1.55
1.46
1.55
-2.52%
438,883
08/21/2026
1.56
1.64
1.56
1.59
+0.63%
386,419
08/20/2026
1.50
1.58
1.45
1.58
+8.22%
369,640
08/19/2026
1.46
1.47
1.40
1.46
+1.39%
283,642
08/18/2026
1.48
1.51
1.43
1.44
-2.04%
231,505
08/17/2026
1.59
1.59
1.44
1.47
-9.26%
1,152,498
08/17/2026
-$0.20 Earnings
08/14/2026
1.58
1.63
1.56
1.62
+1.25%
401,744
08/13/2026
1.59
1.61
1.54
1.60
-0.62%
573,387
08/12/2026
1.62
1.63
1.58
1.61
+0.63%
225,070
08/11/2026
1.61
1.63
1.58
1.60
-1.84%
132,982
08/10/2026
1.61
1.64
1.59
1.63
+1.88%
175,463
08/07/2026
1.63
1.65
1.58
1.60
-1.84%
289,417
08/06/2026
1.59
1.65
1.59
1.63
+1.88%
223,972
08/05/2026
1.63
1.64
1.58
1.60
-1.84%
242,508
08/04/2026
1.55
1.64
1.55
1.63
+5.16%
347,275
08/03/2026
1.53
1.58
1.52
1.55
+1.97%
214,291
07/31/2026
1.58
1.61
1.51
1.52
-2.56%
333,245
07/30/2026
1.49
1.56
1.48
1.56
+5.41%
239,759
07/29/2026
1.53
1.53
1.47
1.48
-1.33%
235,784
07/28/2026
1.53
1.55
1.50
1.50
-1.96%
290,128
07/27/2026
1.52
1.59
1.51
1.53
+0.66%
216,202
07/24/2026
1.56
1.56
1.50
1.52
-2.56%
240,713
07/23/2026
1.53
1.57
1.51
1.56
+0.65%
241,738
07/22/2026
1.56
1.62
1.53
1.55
-0.64%
365,900
07/21/2026
1.51
1.59
1.50
1.56
+3.31%
302,258
07/20/2026
1.56
1.56
1.49
1.51
-1.31%
303,619
07/17/2026
1.52
1.56
1.45
1.53
+2.00%
453,303
07/16/2026
1.55
1.56
1.46
1.50
-3.23%
682,345
07/15/2026
1.64
1.67
1.54
1.55
-6.63%
436,216
07/14/2026
1.63
1.69
1.62
1.66
+2.47%
450,535
07/13/2026
1.68
1.69
1.62
1.62
-3.57%
636,227
07/10/2026
1.64
1.73
1.59
1.68
-2.33%
757,866
07/09/2026
1.50
1.73
1.50
1.72
+17.81%
1,339,470
07/08/2026
1.53
1.53
1.43
1.46
-8.18%
1,498,593
07/07/2026
1.63
1.65
1.47
1.59
-1.24%
1,683,448
07/06/2026
1.80
1.81
1.56
1.61
-14.81%
2,138,894
07/02/2026
1.82
1.93
1.81
1.89
+4.42%
626,286
07/01/2026
1.91
1.93
1.80
1.81
-4.74%
591,661
06/30/2026
1.92
2.05
1.81
1.90
-15.18%
1,968,821
06/29/2026
1.90
2.25
1.90
2.24
+19.15%
2,032,147
06/26/2026
1.80
1.90
1.77
1.88
+4.44%
647,653
06/25/2026
1.83
1.83
1.73
1.80
0.00%
561,777
06/24/2026
1.85
1.90
1.79
1.80
-1.10%
251,335
06/23/2026
1.77
1.87
1.77
1.82
0.00%
385,994
06/22/2026
1.91
1.92
1.82
1.82
-5.70%
390,693
06/18/2026
1.76
1.96
1.74
1.93
+12.21%
1,145,109
06/17/2026
1.73
1.87
1.72
1.72
-2.82%
470,816
06/16/2026
1.73
1.81
1.63
1.77
+2.91%
1,090,909
06/15/2026
1.71
1.75
1.70
1.72
+1.18%
169,491
06/12/2026
1.72
1.75
1.68
1.70
-0.58%
279,441
06/11/2026
1.71
1.75
1.66
1.71
+1.18%
365,053
06/10/2026
1.73
1.77
1.69
1.69
-2.87%
302,326
06/09/2026
1.79
1.84
1.71
1.74
-2.79%
365,741
06/08/2026
1.81
1.87
1.76
1.79
+0.56%
494,788
06/05/2026
1.85
1.86
1.72
1.78
-3.78%
593,287
06/04/2026
1.82
1.91
1.76
1.85
+2.78%
385,429
06/03/2026
1.83
1.87
1.76
1.80
-1.64%
624,685
06/02/2026
1.92
2.02
1.78
1.83
-2.14%
1,655,686
06/01/2026
2.14
2.20
1.83
1.87
-12.62%
1,827,021
05/29/2026
2.01
2.19
1.98
2.14
+8.08%
1,457,695
05/28/2026
1.90
2.04
1.89
1.98
+4.76%
979,313
05/27/2026
1.77
1.94
1.75
1.89
+8.00%
728,648
05/26/2026
1.77
1.85
1.75
1.75
+1.16%
449,169
05/22/2026
1.80
1.82
1.72
1.73
-4.95%
340,079
05/21/2026
1.85
1.85
1.73
1.82
-0.55%
589,169
05/20/2026
1.79
1.86
1.74
1.83
+3.98%
542,838
05/19/2026
1.74
1.82
1.68
1.76
+1.73%
503,683
05/18/2026
1.92
1.93
1.62
1.73
-7.98%
1,782,347
05/18/2026
-$0.27 Earnings
05/15/2026
1.91
1.94
1.85
1.88
0.00%
861,706
05/14/2026
1.90
1.99
1.86
1.88
+5.03%
1,820,928
05/13/2026
1.72
1.83
1.70
1.79
+4.68%
542,874
05/12/2026
1.74
1.74
1.66
1.71
0.00%
226,587
05/11/2026
1.65
1.76
1.65
1.71
+3.01%
479,988
05/08/2026
1.71
1.72
1.66
1.66
-2.35%
299,976
05/07/2026
1.72
1.76
1.67
1.70
-1.73%
469,077
05/06/2026
1.74
1.79
1.72
1.73
0.00%
468,671
05/05/2026
1.69
1.74
1.68
1.73
+4.22%
278,281
05/04/2026
1.59
1.71
1.58
1.66
+3.11%
533,893
05/01/2026
1.69
1.75
1.60
1.61
-5.29%
567,708
04/30/2026
1.73
1.90
1.69
1.70
+4.29%
1,220,586
04/29/2026
1.64
1.67
1.55
1.63
0.00%
574,666
04/28/2026
1.80
1.85
1.61
1.63
-7.91%
1,319,599
04/27/2026
1.79
1.83
1.69
1.77
0.00%
1,195,249
04/24/2026
1.46
1.84
1.42
1.77
+22.07%
3,419,512
04/23/2026
1.46
1.49
1.41
1.45
+1.40%
495,250