SION
SIONNA THER (SION)
NASDAQ
$4.94-$0.16 (-3.18%)
Price as of Oct 02, 2026 5:40 PM EDT
  • $230.6M
    Market Cap
  • -82.59%
    1-Year Change
  • Biotechnology
    Industry
  • 1 Month
    -21.05%
    Low Price$5.10
    High Price$8.26
  • 3 Months
    -87.75%
    Low Price$4.50
    High Price$51.04
  • 1 Year
    -82.59%
    Low Price$4.50
    High Price$51.04
Date
Open
High
Low
Close
Change (%)
Volume
10/01/2026
5.26
5.33
5.03
5.10
-3.04%
1,059,863
09/30/2026
5.19
5.34
5.02
5.26
+2.14%
1,157,751
09/29/2026
5.15
5.19
5.03
5.15
+0.59%
797,862
09/28/2026
5.17
5.25
5.05
5.12
-2.10%
775,817
09/25/2026
5.28
5.30
5.09
5.23
0.00%
1,402,392
09/24/2026
5.50
5.59
5.15
5.23
-5.08%
1,252,772
09/23/2026
6.03
6.12
5.32
5.51
-8.47%
1,669,507
09/22/2026
5.99
6.17
5.84
6.02
+0.33%
1,685,253
09/21/2026
6.00
6.13
5.70
6.00
+0.67%
2,522,926
09/18/2026
7.12
7.19
5.90
5.96
-16.99%
3,699,843
09/17/2026
7.27
7.73
7.15
7.18
+1.99%
1,481,560
09/16/2026
6.95
7.37
6.91
7.04
+2.33%
1,971,092
09/15/2026
7.87
8.00
6.85
6.88
-16.71%
2,462,370
09/14/2026
7.84
8.54
7.84
8.26
+5.22%
1,218,419
09/11/2026
7.79
8.03
7.47
7.85
+3.02%
1,210,909
09/10/2026
7.40
7.75
7.12
7.62
+1.87%
1,222,717
09/09/2026
7.27
7.55
7.17
7.48
+2.47%
767,459
09/08/2026
7.13
7.56
6.89
7.30
+1.67%
884,748
09/04/2026
6.68
7.22
6.62
7.18
+6.37%
926,065
09/03/2026
7.31
7.56
6.70
6.75
-7.66%
1,243,913
09/02/2026
6.63
7.35
6.27
7.31
+13.16%
1,590,547
09/01/2026
5.95
6.48
5.93
6.46
+7.13%
1,411,953
08/31/2026
5.87
6.08
5.75
6.03
+2.73%
1,377,896
08/28/2026
5.97
6.06
5.82
5.87
-3.14%
784,785
08/27/2026
6.14
6.25
5.97
6.06
-1.78%
775,759
08/26/2026
6.20
6.29
6.02
6.17
-1.28%
926,262
08/25/2026
5.60
6.30
5.58
6.25
+11.81%
1,973,987
08/24/2026
5.29
5.61
5.21
5.59
+5.67%
1,775,133
08/21/2026
5.54
5.72
5.27
5.29
-4.17%
1,937,812
08/20/2026
6.27
6.27
5.51
5.52
-11.68%
1,749,471
08/19/2026
6.09
6.28
5.88
6.25
+5.22%
1,868,245
08/18/2026
5.75
5.98
5.60
5.94
+0.51%
2,057,574
08/17/2026
6.47
6.80
5.82
5.91
-8.51%
2,985,330
08/14/2026
6.24
6.66
6.15
6.46
-1.22%
2,877,413
08/13/2026
6.29
6.75
6.05
6.54
+4.64%
5,485,953
08/12/2026
4.99
6.40
4.98
6.25
+22.55%
9,438,013
08/11/2026
4.51
5.49
4.49
5.10
+13.33%
14,931,116
08/10/2026
4.85
5.00
4.01
4.50
-91.18%
38,644,402
08/07/2026
50.86
54.97
49.30
51.04
+2.88%
747,527
08/06/2026
47.11
50.80
47.08
49.61
+4.80%
778,470
08/06/2026
-$0.66 Earnings
08/05/2026
50.20
51.91
46.92
47.34
-5.21%
757,882
08/04/2026
50.16
51.73
48.52
49.94
+1.38%
913,121
08/03/2026
46.86
49.49
45.57
49.26
+4.52%
509,031
07/31/2026
46.68
47.62
44.27
47.13
+0.75%
392,310
07/30/2026
44.69
47.28
44.64
46.78
+4.40%
353,250
07/29/2026
46.81
46.84
44.63
44.81
-3.74%
369,411
07/28/2026
45.41
46.69
44.11
46.55
+2.58%
320,288
07/27/2026
46.03
47.89
45.11
45.38
-0.70%
403,811
07/24/2026
44.31
46.40
43.41
45.70
+3.72%
654,939
07/23/2026
44.39
46.45
43.84
44.06
-2.15%
811,060
07/22/2026
46.92
47.71
44.23
45.03
-4.62%
562,855
07/21/2026
45.24
48.00
45.24
47.21
+3.33%
598,140
07/20/2026
50.20
51.57
44.78
45.69
-7.53%
816,701
07/17/2026
44.72
51.00
43.12
49.41
+9.10%
1,139,315
07/16/2026
44.17
48.22
43.47
45.29
+2.05%
1,096,320
07/15/2026
42.33
45.37
41.69
44.38
+4.20%
521,485
07/14/2026
44.24
45.01
42.39
42.59
-3.09%
273,601
07/13/2026
45.40
45.49
42.73
43.95
-2.96%
415,293
07/10/2026
44.90
45.41
42.24
45.29
+0.78%
370,997
07/09/2026
44.00
45.91
43.65
44.94
+2.14%
755,244
07/08/2026
44.48
46.98
43.29
44.00
-2.07%
573,836
07/07/2026
43.67
46.64
43.00
44.93
+4.20%
664,396
07/06/2026
44.01
44.38
42.39
43.12
-1.98%
255,812
07/02/2026
42.05
44.18
41.16
43.99
+5.64%
329,043
07/01/2026
43.63
44.28
40.92
41.64
-5.34%
438,285
06/30/2026
43.33
45.00
42.40
43.99
+2.37%
682,833
06/29/2026
42.29
43.48
41.72
42.97
+1.87%
319,977
06/26/2026
42.56
44.03
40.69
42.18
-1.38%
1,019,147
06/25/2026
41.09
44.30
40.44
42.77
+4.09%
475,583
06/24/2026
39.81
41.28
39.18
41.09
+3.06%
544,602
06/23/2026
38.40
42.31
37.28
39.87
+2.68%
540,441
06/22/2026
37.89
40.02
37.87
38.83
+4.10%
416,416
06/18/2026
38.28
38.56
36.63
37.30
+1.55%
736,761
06/17/2026
34.81
37.11
33.99
36.73
+5.70%
406,685
06/16/2026
36.01
36.21
34.43
34.75
-3.47%
375,115
06/15/2026
36.54
37.82
35.53
36.00
+0.22%
278,622
06/12/2026
36.05
37.17
35.50
35.92
-0.36%
189,641
06/11/2026
34.20
36.84
33.72
36.05
+5.94%
398,970
06/10/2026
33.44
35.29
32.84
34.03
+1.01%
316,937
06/09/2026
34.37
35.26
32.33
33.69
+0.54%
320,199
06/08/2026
35.29
35.44
32.26
33.51
-5.26%
423,759
06/05/2026
37.55
37.95
35.25
35.37
-6.38%
461,280
06/04/2026
36.98
39.33
36.61
37.78
+2.94%
362,897
06/03/2026
36.50
37.37
35.66
36.70
+0.60%
319,272
06/02/2026
40.22
41.91
36.46
36.48
-10.81%
537,838
06/01/2026
41.87
42.07
38.92
40.90
-4.48%
400,133
05/29/2026
42.96
43.77
42.15
42.82
+0.05%
645,335
05/28/2026
43.43
44.61
42.39
42.80
-1.45%
416,031
05/27/2026
43.46
44.49
42.95
43.43
+1.28%
189,444
05/26/2026
41.68
43.16
40.53
42.88
+4.25%
188,815
05/22/2026
41.81
43.42
40.81
41.13
-1.49%
182,571
05/21/2026
39.19
41.80
38.65
41.75
+5.70%
236,936
05/20/2026
38.39
39.71
36.90
39.50
+4.83%
392,330
05/19/2026
38.97
39.19
37.48
37.68
-3.98%
313,513
05/18/2026
41.46
41.46
38.16
39.24
-2.44%
341,615
05/15/2026
41.87
42.55
40.07
40.22
-5.96%
273,179
05/14/2026
42.70
44.22
41.50
42.77
-0.81%
342,367
05/13/2026
40.78
43.54
40.24
43.12
+5.32%
529,640
05/12/2026
45.07
46.07
40.75
40.94
-10.90%
525,215