Gossamer Bio, Inc. (GOSS)
NASDAQ: GOSS · Real-Time Price · USD
0.345
-0.004 (-1.03%)
At close: Apr 28, 2026, 4:00 PM EDT
0.342
-0.003 (-0.84%)
After-hours: Apr 28, 2026, 7:22 PM EDT
Gossamer Bio Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Apr 28, 2026 | 0.35 | 0.35 | 0.33 | 0.34 | 0.34 | -1.03% | 7,895,601 |
| Apr 27, 2026 | 0.36 | 0.38 | 0.34 | 0.35 | 0.35 | -3.92% | 6,299,092 |
| Apr 24, 2026 | 0.37 | 0.38 | 0.36 | 0.36 | 0.36 | -2.92% | 3,262,454 |
| Apr 23, 2026 | 0.39 | 0.39 | 0.36 | 0.37 | 0.37 | -4.18% | 4,196,397 |
| Apr 22, 2026 | 0.37 | 0.39 | 0.37 | 0.39 | 0.39 | 3.31% | 4,799,087 |
| Apr 21, 2026 | 0.42 | 0.42 | 0.36 | 0.38 | 0.38 | -10.14% | 9,344,786 |
| Apr 20, 2026 | 0.44 | 0.46 | 0.41 | 0.42 | 0.42 | -5.83% | 4,577,083 |
| Apr 17, 2026 | 0.44 | 0.47 | 0.43 | 0.45 | 0.45 | 1.97% | 4,082,759 |
| Apr 16, 2026 | 0.45 | 0.46 | 0.42 | 0.44 | 0.44 | -2.99% | 5,149,564 |
| Apr 15, 2026 | 0.43 | 0.47 | 0.42 | 0.45 | 0.45 | 4.47% | 8,782,765 |
| Apr 14, 2026 | 0.40 | 0.43 | 0.40 | 0.43 | 0.43 | 7.74% | 6,939,348 |
| Apr 13, 2026 | 0.40 | 0.41 | 0.38 | 0.40 | 0.40 | -2.17% | 6,837,652 |
| Apr 10, 2026 | 0.37 | 0.43 | 0.37 | 0.41 | 0.41 | 10.20% | 11,775,555 |
| Apr 9, 2026 | 0.35 | 0.38 | 0.34 | 0.37 | 0.37 | 6.97% | 7,970,685 |
| Apr 8, 2026 | 0.35 | 0.35 | 0.32 | 0.35 | 0.35 | 5.37% | 6,916,409 |
| Apr 7, 2026 | 0.35 | 0.35 | 0.32 | 0.33 | 0.33 | -4.68% | 8,481,684 |
| Apr 6, 2026 | 0.38 | 0.38 | 0.33 | 0.35 | 0.35 | -6.51% | 9,805,152 |
| Apr 2, 2026 | 0.35 | 0.38 | 0.34 | 0.37 | 0.37 | 1.37% | 5,810,717 |
| Apr 1, 2026 | 0.34 | 0.38 | 0.33 | 0.37 | 0.37 | 11.11% | 10,666,071 |
| Mar 31, 2026 | 0.32 | 0.34 | 0.32 | 0.33 | 0.33 | 2.66% | 7,205,569 |
| Mar 30, 2026 | 0.34 | 0.35 | 0.32 | 0.32 | 0.32 | -7.65% | 7,585,598 |
| Mar 27, 2026 | 0.36 | 0.38 | 0.34 | 0.35 | 0.35 | -7.55% | 9,487,085 |
| Mar 26, 2026 | 0.37 | 0.41 | 0.36 | 0.37 | 0.37 | -1.76% | 9,464,466 |
| Mar 25, 2026 | 0.35 | 0.40 | 0.35 | 0.38 | 0.38 | 10.61% | 15,000,632 |
| Mar 24, 2026 | 0.38 | 0.38 | 0.32 | 0.34 | 0.34 | -7.58% | 23,456,379 |
| Mar 23, 2026 | 0.40 | 0.41 | 0.36 | 0.37 | 0.37 | -11.65% | 28,704,225 |
| Mar 20, 2026 | 0.45 | 0.45 | 0.40 | 0.42 | 0.42 | -6.55% | 29,612,173 |
| Mar 19, 2026 | 0.42 | 0.47 | 0.41 | 0.45 | 0.45 | 4.12% | 10,720,788 |
| Mar 18, 2026 | 0.46 | 0.47 | 0.42 | 0.43 | 0.43 | -7.99% | 10,906,011 |
| Mar 17, 2026 | 0.45 | 0.49 | 0.45 | 0.47 | 0.47 | 3.46% | 6,383,585 |
| Mar 16, 2026 | 0.45 | 0.48 | 0.44 | 0.46 | 0.46 | 4.32% | 6,188,860 |
| Mar 13, 2026 | 0.47 | 0.48 | 0.44 | 0.44 | 0.44 | -4.98% | 5,999,927 |
| Mar 12, 2026 | 0.48 | 0.49 | 0.45 | 0.46 | 0.46 | -6.14% | 10,443,312 |
| Mar 11, 2026 | 0.51 | 0.52 | 0.49 | 0.49 | 0.49 | -3.35% | 8,137,688 |
| Mar 10, 2026 | 0.56 | 0.57 | 0.50 | 0.51 | 0.51 | -8.68% | 9,538,743 |
| Mar 9, 2026 | 0.50 | 0.56 | 0.48 | 0.56 | 0.56 | 10.90% | 9,228,088 |
| Mar 6, 2026 | 0.51 | 0.53 | 0.49 | 0.50 | 0.50 | -4.04% | 12,042,464 |
| Mar 5, 2026 | 0.57 | 0.57 | 0.48 | 0.52 | 0.52 | -10.03% | 21,213,515 |
| Mar 4, 2026 | 0.47 | 0.60 | 0.46 | 0.58 | 0.58 | 23.40% | 25,324,650 |
| Mar 3, 2026 | 0.42 | 0.50 | 0.41 | 0.47 | 0.47 | 9.66% | 20,495,444 |
| Mar 2, 2026 | 0.41 | 0.44 | 0.39 | 0.43 | 0.43 | 0.87% | 14,395,976 |
| Feb 27, 2026 | 0.39 | 0.45 | 0.39 | 0.42 | 0.42 | 5.70% | 27,492,070 |
| Feb 26, 2026 | 0.37 | 0.42 | 0.36 | 0.40 | 0.40 | 5.76% | 34,536,432 |
| Feb 25, 2026 | 0.40 | 0.40 | 0.33 | 0.38 | 0.38 | -8.50% | 73,681,475 |
| Feb 24, 2026 | 0.39 | 0.44 | 0.36 | 0.42 | 0.42 | -1.87% | 71,290,815 |
| Feb 23, 2026 | 0.60 | 0.60 | 0.33 | 0.42 | 0.42 | -80.13% | 273,892,272 |
| Feb 20, 2026 | 2.10 | 2.22 | 2.06 | 2.13 | 2.13 | 0.95% | 8,452,411 |
| Feb 19, 2026 | 2.18 | 2.23 | 2.10 | 2.11 | 2.11 | -2.76% | 5,210,432 |
| Feb 18, 2026 | 2.16 | 2.24 | 2.11 | 2.17 | 2.17 | 0.93% | 5,776,291 |
| Feb 17, 2026 | 2.30 | 2.34 | 2.14 | 2.15 | 2.15 | -6.11% | 6,206,942 |
| Feb 13, 2026 | 2.34 | 2.50 | 2.28 | 2.29 | 2.29 | -1.29% | 5,145,778 |
| Feb 12, 2026 | 2.36 | 2.38 | 2.27 | 2.32 | 2.32 | -1.28% | 3,220,044 |
| Feb 11, 2026 | 2.33 | 2.38 | 2.24 | 2.35 | 2.35 | 0.86% | 5,451,927 |
| Feb 10, 2026 | 2.28 | 2.41 | 2.26 | 2.33 | 2.33 | 3.10% | 6,552,975 |
| Feb 9, 2026 | 2.27 | 2.36 | 2.16 | 2.26 | 2.26 | - | 5,800,996 |
| Feb 6, 2026 | 2.48 | 2.50 | 2.23 | 2.26 | 2.26 | -7.19% | 7,931,774 |
| Feb 5, 2026 | 2.44 | 2.54 | 2.40 | 2.44 | 2.44 | -1.02% | 5,109,250 |
| Feb 4, 2026 | 2.66 | 2.66 | 2.32 | 2.46 | 2.46 | -7.87% | 6,850,711 |
| Feb 3, 2026 | 2.48 | 2.76 | 2.38 | 2.67 | 2.67 | 7.66% | 7,079,521 |
| Feb 2, 2026 | 2.30 | 2.63 | 2.27 | 2.48 | 2.48 | 8.77% | 8,764,580 |
| Jan 30, 2026 | 2.43 | 2.47 | 2.27 | 2.28 | 2.28 | -5.79% | 4,638,149 |
| Jan 29, 2026 | 2.57 | 2.57 | 2.40 | 2.42 | 2.42 | -5.10% | 4,828,980 |
| Jan 28, 2026 | 2.69 | 2.72 | 2.50 | 2.55 | 2.55 | -3.41% | 5,838,269 |
| Jan 27, 2026 | 2.66 | 2.68 | 2.49 | 2.64 | 2.64 | -0.75% | 3,584,381 |
| Jan 26, 2026 | 2.74 | 2.78 | 2.64 | 2.66 | 2.66 | -1.48% | 2,805,090 |
| Jan 23, 2026 | 2.90 | 2.92 | 2.67 | 2.70 | 2.70 | -5.92% | 4,250,709 |
| Jan 22, 2026 | 2.79 | 3.00 | 2.75 | 2.87 | 2.87 | 4.74% | 7,513,910 |
| Jan 21, 2026 | 2.60 | 2.76 | 2.56 | 2.74 | 2.74 | 5.38% | 6,338,784 |
| Jan 20, 2026 | 2.43 | 2.63 | 2.38 | 2.60 | 2.60 | 3.17% | 3,948,632 |
| Jan 16, 2026 | 2.48 | 2.64 | 2.45 | 2.52 | 2.52 | 2.86% | 3,874,240 |
| Jan 15, 2026 | 2.54 | 2.58 | 2.44 | 2.45 | 2.45 | -3.92% | 2,717,386 |
| Jan 14, 2026 | 2.63 | 2.65 | 2.48 | 2.55 | 2.55 | -4.14% | 3,508,922 |
| Jan 13, 2026 | 2.52 | 2.69 | 2.42 | 2.66 | 2.66 | 5.56% | 5,049,130 |
| Jan 12, 2026 | 2.52 | 2.65 | 2.49 | 2.52 | 2.52 | 0.80% | 4,221,678 |
| Jan 9, 2026 | 2.54 | 2.61 | 2.41 | 2.50 | 2.50 | - | 3,403,198 |
| Jan 8, 2026 | 2.35 | 2.54 | 2.35 | 2.50 | 2.50 | 3.73% | 7,132,811 |
| Jan 7, 2026 | 2.55 | 2.65 | 2.36 | 2.41 | 2.41 | -5.86% | 6,886,336 |
| Jan 6, 2026 | 2.71 | 2.76 | 2.52 | 2.56 | 2.56 | -6.57% | 5,604,424 |
| Jan 5, 2026 | 2.91 | 2.97 | 2.73 | 2.74 | 2.74 | -4.86% | 4,470,089 |
| Jan 2, 2026 | 3.15 | 3.15 | 2.85 | 2.88 | 2.88 | -7.10% | 3,855,155 |
| Dec 31, 2025 | 3.12 | 3.21 | 3.08 | 3.10 | 3.10 | -0.64% | 3,446,323 |
| Dec 30, 2025 | 3.21 | 3.26 | 3.04 | 3.12 | 3.12 | -2.80% | 4,106,421 |
| Dec 29, 2025 | 3.25 | 3.35 | 3.21 | 3.21 | 3.21 | -0.62% | 4,114,215 |
| Dec 26, 2025 | 3.41 | 3.46 | 3.14 | 3.23 | 3.23 | -6.10% | 4,371,481 |
| Dec 24, 2025 | 3.27 | 3.65 | 3.27 | 3.44 | 3.44 | 4.72% | 3,250,016 |
| Dec 23, 2025 | 3.75 | 3.77 | 3.21 | 3.29 | 3.29 | -12.86% | 5,665,685 |
| Dec 22, 2025 | 3.48 | 3.77 | 3.43 | 3.77 | 3.77 | 9.59% | 4,263,168 |
| Dec 19, 2025 | 3.41 | 3.60 | 3.37 | 3.44 | 3.44 | 0.29% | 15,018,781 |
| Dec 18, 2025 | 3.57 | 3.61 | 3.40 | 3.43 | 3.43 | -3.92% | 4,536,802 |
| Dec 17, 2025 | 3.64 | 3.82 | 3.50 | 3.57 | 3.57 | 0.28% | 3,704,644 |
| Dec 16, 2025 | 3.80 | 3.87 | 3.54 | 3.56 | 3.56 | -6.07% | 4,856,694 |
| Dec 15, 2025 | 3.70 | 3.87 | 3.53 | 3.79 | 3.79 | 5.28% | 8,630,546 |
| Dec 12, 2025 | 3.72 | 3.79 | 3.56 | 3.60 | 3.60 | -0.55% | 3,479,679 |
| Dec 11, 2025 | 3.50 | 3.80 | 3.47 | 3.62 | 3.62 | 3.72% | 4,286,552 |
| Dec 10, 2025 | 3.49 | 3.53 | 3.34 | 3.49 | 3.49 | 1.16% | 3,053,997 |
| Dec 9, 2025 | 3.45 | 3.54 | 3.43 | 3.45 | 3.45 | 1.17% | 1,647,469 |
| Dec 8, 2025 | 3.35 | 3.46 | 3.35 | 3.41 | 3.41 | 2.40% | 1,842,136 |
| Dec 5, 2025 | 3.35 | 3.40 | 3.25 | 3.33 | 3.33 | 0.30% | 2,223,453 |
| Dec 4, 2025 | 3.41 | 3.43 | 3.30 | 3.32 | 3.32 | -2.92% | 2,191,687 |
| Dec 3, 2025 | 3.04 | 3.45 | 3.01 | 3.42 | 3.42 | 14.38% | 4,711,546 |