Generation Bio Co. (GBIO)
NASDAQ: GBIO · Real-Time Price · USD
6.61
+2.56 (63.21%)
At close: Aug 13, 2025, 4:00 PM
6.70
+0.09 (1.34%)
After-hours: Aug 13, 2025, 7:59 PM EDT
Generation Bio Co. Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Aug 13, 2025 | 5.22 | 6.95 | 5.15 | 6.61 | 6.61 | 63.21% | 9,968,950 |
| Aug 12, 2025 | 4.09 | 4.27 | 3.97 | 4.05 | 4.05 | 0.25% | 3,462,915 |
| Aug 11, 2025 | 4.11 | 4.34 | 3.96 | 4.04 | 4.04 | -1.46% | 125,810 |
| Aug 8, 2025 | 4.14 | 4.55 | 4.04 | 4.10 | 4.10 | -1.20% | 58,548 |
| Aug 7, 2025 | 4.28 | 4.29 | 4.14 | 4.15 | 4.15 | -3.04% | 53,320 |
| Aug 6, 2025 | 4.57 | 4.57 | 4.28 | 4.28 | 4.28 | -6.14% | 27,858 |
| Aug 5, 2025 | 4.62 | 4.83 | 4.49 | 4.56 | 4.56 | -0.44% | 56,014 |
| Aug 4, 2025 | 4.33 | 4.63 | 4.25 | 4.58 | 4.58 | 8.79% | 106,556 |
| Aug 1, 2025 | 4.33 | 4.40 | 4.11 | 4.21 | 4.21 | -5.18% | 143,852 |
| Jul 31, 2025 | 4.48 | 4.52 | 4.33 | 4.44 | 4.44 | -1.55% | 80,008 |
| Jul 30, 2025 | 4.40 | 4.64 | 4.22 | 4.51 | 4.51 | 2.27% | 98,206 |
| Jul 29, 2025 | 4.77 | 4.90 | 4.28 | 4.41 | 4.41 | -6.17% | 145,668 |
| Jul 28, 2025 | 4.61 | 5.10 | 4.61 | 4.70 | 4.70 | 1.95% | 196,666 |
| Jul 25, 2025 | 4.21 | 4.80 | 4.15 | 4.61 | 4.61 | 9.76% | 181,222 |
| Jul 24, 2025 | 4.39 | 4.61 | 4.05 | 4.20 | 4.20 | -3.00% | 363,904 |
| Jul 23, 2025 | 4.14 | 5.00 | 4.14 | 4.33 | 4.33 | 1.41% | 273,269 |
| Jul 22, 2025 | 4.20 | 4.44 | 3.88 | 4.27 | 4.27 | 1.43% | 281,652 |
| Jul 21, 2025 | 4.15 | 4.29 | 4.00 | 4.21 | 4.21 | 3.62% | 177,801 |
| Jul 18, 2025 | 4.44 | 4.50 | 3.81 | 4.06 | 4.06 | -22.08% | 459,561 |
| Jul 17, 2025 | 5.70 | 5.78 | 5.02 | 5.21 | 5.21 | -7.72% | 193,002 |
| Jul 16, 2025 | 4.40 | 5.90 | 4.40 | 5.65 | 5.65 | 32.63% | 983,149 |
| Jul 15, 2025 | 4.36 | 4.60 | 4.06 | 4.26 | 4.26 | -3.18% | 108,453 |
| Jul 14, 2025 | 4.00 | 4.50 | 3.94 | 4.40 | 4.40 | 13.87% | 201,652 |
| Jul 11, 2025 | 3.80 | 4.00 | 3.74 | 3.86 | 3.86 | 3.62% | 113,020 |
| Jul 10, 2025 | 3.77 | 3.80 | 3.65 | 3.73 | 3.73 | -1.45% | 57,905 |
| Jul 9, 2025 | 3.54 | 3.80 | 3.50 | 3.78 | 3.78 | 7.23% | 108,184 |
| Jul 8, 2025 | 3.30 | 3.56 | 3.30 | 3.53 | 3.53 | 6.94% | 83,984 |
| Jul 7, 2025 | 3.31 | 3.43 | 3.22 | 3.30 | 3.30 | -3.79% | 50,861 |
| Jul 3, 2025 | 3.36 | 3.57 | 3.30 | 3.43 | 3.43 | 1.51% | 67,658 |
| Jul 2, 2025 | 3.20 | 3.52 | 3.20 | 3.38 | 3.38 | 5.59% | 69,631 |
| Jul 1, 2025 | 3.16 | 3.36 | 3.11 | 3.20 | 3.20 | -0.03% | 86,393 |
| Jun 30, 2025 | 3.26 | 3.46 | 3.15 | 3.20 | 3.20 | 6.56% | 411,342 |
| Jun 27, 2025 | 3.70 | 3.70 | 3.00 | 3.00 | 3.00 | -15.40% | 738,707 |
| Jun 26, 2025 | 3.63 | 3.67 | 3.53 | 3.55 | 3.55 | -2.63% | 37,674 |
| Jun 25, 2025 | 3.61 | 3.80 | 3.54 | 3.65 | 3.65 | -1.51% | 60,172 |
| Jun 24, 2025 | 3.61 | 3.75 | 3.61 | 3.70 | 3.70 | 2.89% | 53,479 |
| Jun 23, 2025 | 3.70 | 3.85 | 3.52 | 3.60 | 3.60 | -5.29% | 39,008 |
| Jun 20, 2025 | 3.83 | 3.90 | 3.58 | 3.80 | 3.80 | 5.56% | 52,606 |
| Jun 18, 2025 | 3.80 | 3.89 | 3.52 | 3.60 | 3.60 | -5.76% | 111,255 |
| Jun 17, 2025 | 3.99 | 4.10 | 3.81 | 3.82 | 3.82 | -4.02% | 28,984 |
| Jun 16, 2025 | 3.80 | 3.99 | 3.70 | 3.98 | 3.98 | 7.83% | 35,633 |
| Jun 13, 2025 | 3.81 | 3.90 | 3.68 | 3.69 | 3.69 | -3.63% | 33,482 |
| Jun 12, 2025 | 3.98 | 4.08 | 3.76 | 3.83 | 3.83 | -2.05% | 36,265 |
| Jun 11, 2025 | 4.32 | 4.32 | 3.91 | 3.91 | 3.91 | -8.02% | 43,829 |
| Jun 10, 2025 | 4.10 | 4.45 | 4.10 | 4.25 | 4.25 | 6.81% | 68,709 |
| Jun 9, 2025 | 4.20 | 4.20 | 3.92 | 3.98 | 3.98 | -8.72% | 78,249 |
| Jun 6, 2025 | 3.84 | 4.42 | 3.62 | 4.36 | 4.36 | 19.26% | 170,364 |
| Jun 5, 2025 | 3.81 | 3.87 | 3.61 | 3.66 | 3.66 | -5.63% | 67,805 |
| Jun 4, 2025 | 4.04 | 4.08 | 3.80 | 3.87 | 3.87 | -2.86% | 55,426 |
| Jun 3, 2025 | 3.85 | 4.15 | 3.72 | 3.99 | 3.99 | 3.72% | 52,155 |