Gossamer Bio, Inc. (GOSS)
NASDAQ: GOSS · Real-Time Price · USD
11.69
+0.41 (3.63%)
At close: Sep 22, 2026, 4:00 PM EDT
11.71
+0.02 (0.17%)
After-hours: Sep 22, 2026, 7:48 PM EDT

Gossamer Bio Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Sep 22, 202611.4812.3111.3511.6911.693.63%195,411
Sep 21, 202611.6011.9410.9111.2811.285.13%255,828
Sep 18, 202612.0012.4910.6710.7310.73-10.13%530,127
Sep 17, 202611.7812.4511.2811.9411.948.94%267,675
Sep 16, 202610.7711.249.9610.9610.965.59%272,289
Sep 15, 202610.6110.9710.1210.3810.38-2.99%220,498
Sep 14, 202610.9511.0810.0710.7010.70-0.28%325,909
Sep 11, 202612.4812.5210.4710.7310.73-5.81%474,154
Sep 10, 202612.2212.5411.2211.3911.39-10.83%165,331
Sep 9, 202612.0013.7811.9912.7812.78-11.23%296,180
Sep 8, 202613.7214.7513.4614.3914.392.62%86,487
Sep 4, 202613.7214.4513.4414.0214.02-0.17%101,166
Sep 3, 202613.8414.0813.0814.0514.051.68%71,621
Sep 2, 202613.2513.8612.9113.8213.823.17%71,975
Sep 1, 202613.2213.8312.8013.3913.39-1.53%91,542
Aug 31, 202613.6814.4113.4413.6013.60-0.06%126,859
Aug 28, 202613.7613.8613.1213.6113.61-99,011
Aug 27, 202614.0914.2313.0413.6113.61-2.19%193,062
Aug 26, 202615.9316.1513.6013.9113.91-14.96%364,399
Aug 25, 202614.3717.1013.4516.3616.3616.86%594,440
Aug 24, 202612.0014.9811.6614.0014.0013.12%588,872
Aug 21, 202613.5613.5611.6012.3812.38-1.78%1,641,943
Aug 20, 202612.6513.1112.0412.6012.600.57%84,129
Aug 19, 202611.9812.6811.3612.5312.539.43%86,419
Aug 18, 202611.2011.8311.0611.4511.452.21%84,859
Aug 17, 202612.3612.4511.2011.2011.20-9.21%300,700
Aug 14, 202613.6013.6112.2412.3412.34-9.45%173,228
Aug 13, 202614.0714.1813.2313.6213.62-4.11%156,226
Aug 12, 202614.6614.8513.8414.2114.21-2.31%66,668
Aug 11, 202614.4014.8813.9314.5414.543.24%132,605
Aug 10, 202614.4014.4113.5214.0914.09-1.07%214,547
Aug 7, 202614.4014.5313.8314.2414.24-0.22%136,758
Aug 6, 202614.1714.5613.7614.2714.270.39%102,883
Aug 5, 202614.9414.9614.0014.2214.22-2.09%100,070
Aug 4, 202613.6014.7213.6014.5214.524.55%184,504
Aug 3, 202613.5714.1312.8013.8913.892.42%221,314
Jul 31, 202614.1614.6313.2213.5613.56-4.94%320,204
Jul 30, 202616.3416.4113.4214.2614.26-13.74%383,032
Jul 29, 202616.4616.9514.5616.5416.540.78%378,287
Jul 28, 202621.4521.4615.2016.4116.412.86%2,640,286
Jul 27, 202613.8817.1411.6015.9515.9546.62%4,463,903
Jul 24, 202611.5911.6010.5710.8810.88-4.56%136,572
Jul 23, 202611.4011.4310.8811.4011.40-1.45%175,051
Jul 22, 202611.3812.4010.9411.5711.57-6.59%205,963
Jul 21, 202611.4812.4011.3412.3812.389.79%189,081
Jul 20, 202613.6013.6011.1011.2811.28-17.11%493,566
Jul 17, 202613.2714.1512.8213.6113.61-0.23%144,549
Jul 16, 202612.8013.7011.4213.6413.645.44%177,780
Jul 15, 202610.6213.6410.1812.9412.9415.42%307,855
Jul 14, 202611.5211.529.1011.2111.21-2.78%523,021