GOSS
GOSSAMER BIO (GOSS)
NASDAQ
$9.44-$0.35 (-3.58%)
Price as of Oct 22, 2026 7:30 PM EDT
  • $59.9M
    Market Cap
  • -94.46%
    1-Year Change
  • Biotechnology
    Industry
  • 1 Month
    -13.21%
    Low Price$8.43
    High Price$11.85
  • 3 Months
    -20.95%
    Low Price$10.88
    High Price$11.94
  • 1 Year
    -94.46%
    Low Price$10.88
    High Price$11.94
Date
Open
High
Low
Close
Change (%)
Volume
10/21/2026
9.50
10.39
9.50
9.79
+2.19%
218,965
10/20/2026
8.41
9.63
8.29
9.58
+13.64%
214,553
10/19/2026
8.80
8.89
8.31
8.43
-3.88%
180,857
10/16/2026
8.88
9.00
8.51
8.77
-1.35%
171,143
10/15/2026
8.86
9.18
8.73
8.89
-0.17%
197,801
10/14/2026
9.59
9.64
8.77
8.91
-8.76%
361,187
10/13/2026
9.83
10.03
9.26
9.76
+5.17%
481,768
10/12/2026
9.54
9.54
8.99
9.28
-0.32%
155,209
10/09/2026
9.93
10.10
9.20
9.31
-5.77%
290,997
10/08/2026
10.02
10.28
9.66
9.88
-2.95%
197,410
10/07/2026
10.38
10.66
9.77
10.18
-5.57%
280,653
10/06/2026
10.77
10.93
10.50
10.78
+1.22%
197,219
10/05/2026
10.70
10.99
10.00
10.65
-0.56%
391,008
10/02/2026
11.19
11.19
10.19
10.71
-2.01%
235,579
10/01/2026
11.63
12.14
10.80
10.93
-7.76%
352,082
09/30/2026
11.53
12.46
11.16
11.85
+2.33%
382,023
09/29/2026
11.68
11.85
11.21
11.58
+0.52%
384,008
09/28/2026
10.46
11.85
10.33
11.52
+5.30%
516,473
09/25/2026
10.93
11.01
10.22
10.94
+0.09%
426,585
09/24/2026
10.76
11.68
10.75
10.93
-0.55%
236,250
09/23/2026
11.69
11.97
10.03
10.99
-5.99%
455,816
09/22/2026
11.48
12.31
11.35
11.69
+3.63%
195,829
09/21/2026
11.60
11.94
10.91
11.28
+5.13%
258,913
09/18/2026
12.00
12.49
10.67
10.73
-10.13%
530,221
09/17/2026
11.78
12.45
11.28
11.94
+8.94%
267,675
09/16/2026
10.77
11.24
9.96
10.96
+5.59%
272,289
09/15/2026
10.61
10.97
10.12
10.38
-2.99%
220,498
09/14/2026
10.95
11.08
10.07
10.70
-0.28%
325,909
09/11/2026
12.48
12.52
10.47
10.73
-5.81%
474,154
09/11/2026
1:80 Split
09/10/2026
12.22
12.54
11.22
11.39
-10.83%
13,226,509
09/09/2026
12.00
13.78
11.99
12.78
-11.23%
23,694,478
09/08/2026
13.72
14.75
13.46
14.39
+2.62%
6,919,010
09/04/2026
13.72
14.45
13.44
14.02
-0.17%
8,093,290
09/03/2026
13.84
14.08
13.08
14.05
+1.68%
5,729,695
09/02/2026
13.25
13.86
12.91
13.82
+3.17%
5,758,055
09/01/2026
13.22
13.83
12.80
13.39
-1.53%
7,323,395
08/31/2026
13.68
14.41
13.44
13.60
-0.06%
10,148,447
08/28/2026
13.76
13.86
13.12
13.61
0.00%
7,920,885
08/27/2026
14.09
14.23
13.04
13.61
-2.19%
15,435,034
08/26/2026
15.93
16.15
13.60
13.91
-14.96%
29,151,995
08/25/2026
14.37
17.10
13.45
16.36
+16.86%
47,555,258
08/24/2026
12.00
14.98
11.66
14.00
+13.12%
47,109,827
08/21/2026
13.56
13.56
11.60
12.38
-1.78%
131,355,202
08/20/2026
12.65
13.11
12.04
12.60
+0.57%
6,730,397
08/19/2026
11.98
12.68
11.36
12.53
+9.43%
6,913,564
08/18/2026
11.20
11.83
11.06
11.45
+2.21%
6,788,722
08/17/2026
12.36
12.45
11.20
11.20
-9.21%
24,055,421
08/14/2026
13.60
13.61
12.24
12.34
-9.45%
13,855,953
08/13/2026
14.07
14.18
13.23
13.62
-4.11%
12,498,117
08/13/2026
-$0.08 Earnings
08/12/2026
14.66
14.85
13.84
14.21
-2.31%
5,331,680
08/11/2026
14.40
14.88
13.93
14.54
+3.24%
10,608,451
08/10/2026
14.40
14.41
13.52
14.09
-1.07%
17,160,956
08/07/2026
14.40
14.53
13.83
14.24
-0.22%
10,940,334
08/06/2026
14.17
14.56
13.76
14.27
+0.39%
8,230,664
08/05/2026
14.94
14.96
14.00
14.22
-2.09%
8,005,629
08/04/2026
13.60
14.72
13.60
14.52
+4.55%
14,760,336
08/03/2026
13.57
14.13
12.80
13.89
+2.42%
17,705,154
07/31/2026
14.16
14.63
13.22
13.56
-4.94%
25,592,201
07/30/2026
16.34
16.41
13.42
14.26
-13.74%
30,642,605
07/29/2026
16.46
16.95
14.56
16.54
+0.78%
30,263,000
07/28/2026
21.45
21.46
15.20
16.41
+2.86%
211,222,949
07/27/2026
13.88
17.14
11.60
15.95
+46.62%
357,112,931
07/24/2026
11.59
11.60
10.57
10.88
-4.56%
10,925,773
07/23/2026
11.40
11.43
10.88
11.40
-1.45%
14,004,137
07/22/2026
11.38
12.40
10.94
11.57
-6.59%
16,477,087
07/21/2026
11.48
12.40
11.34
12.38
+9.79%
15,126,545
07/20/2026
13.60
13.60
11.10
11.28
-17.11%
39,485,343
07/17/2026
13.27
14.15
12.82
13.61
-0.23%
11,563,920
07/16/2026
12.80
13.70
11.42
13.64
+5.44%
14,222,454
07/15/2026
10.62
13.64
10.18
12.94
+15.42%
24,628,478
07/14/2026
11.52
11.52
9.10
11.21
-2.78%
41,245,651
07/13/2026
13.58
13.60
11.22
11.53
-15.09%
30,798,232
07/10/2026
14.02
14.02
12.80
13.58
-3.03%
12,927,855
07/09/2026
13.76
14.37
13.51
14.00
+3.55%
8,708,902
07/08/2026
13.99
14.15
13.28
13.52
-4.79%
17,800,344
07/07/2026
15.28
15.98
14.06
14.20
-8.93%
14,282,602
07/06/2026
13.86
15.59
13.24
15.59
+12.53%
16,580,519
07/02/2026
13.52
14.20
13.12
13.86
+3.28%
16,527,195
07/01/2026
13.36
13.58
13.01
13.42
+1.88%
11,734,526
06/30/2026
13.67
13.88
12.98
13.17
+0.37%
10,802,450
06/29/2026
12.94
13.60
12.25
13.12
+4.46%
15,674,985
06/26/2026
13.40
13.70
12.08
12.56
-4.96%
38,552,917
06/25/2026
13.60
14.22
12.85
13.22
-2.25%
11,359,751
06/24/2026
13.70
14.50
13.44
13.52
-1.40%
12,287,463
06/23/2026
12.84
14.31
12.50
13.71
+4.38%
13,387,511
06/22/2026
14.09
14.09
12.80
13.14
-2.26%
11,641,537
06/18/2026
15.61
15.96
12.82
13.44
-6.15%
23,415,698
06/17/2026
12.79
14.80
12.41
14.32
+6.74%
23,153,054
06/16/2026
13.40
13.84
13.26
13.42
+0.42%
8,744,485
06/15/2026
13.60
14.40
13.26
13.36
+3.15%
16,232,315
06/12/2026
14.29
14.68
12.77
12.95
-8.74%
18,116,671
06/11/2026
12.72
14.41
12.32
14.19
+13.72%
22,657,751
06/10/2026
12.59
13.24
11.20
12.48
-2.50%
34,015,765
06/09/2026
13.55
13.55
12.24
12.80
-3.38%
13,174,759
06/08/2026
14.32
14.32
13.12
13.25
-5.37%
14,269,252
06/05/2026
14.39
14.40
13.44
14.00
-1.57%
13,195,794
06/04/2026
14.86
15.26
14.06
14.22
-5.58%
9,006,367
06/03/2026
15.94
16.02
14.62
15.06
-5.94%
12,257,681