Upstream Bio, Inc. (UPB)
NASDAQ: UPB · Real-Time Price · USD
9.20
-0.42 (-4.37%)
At close: May 28, 2025, 4:00 PM
9.22
+0.02 (0.22%)
After-hours: May 28, 2025, 4:00 PM EDT
Upstream Bio Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| May 28, 2025 | 9.56 | 9.83 | 9.16 | 9.22 | 9.22 | -4.16% | 402,607 |
| May 27, 2025 | 9.34 | 9.90 | 9.23 | 9.62 | 9.62 | 5.02% | 660,447 |
| May 23, 2025 | 9.11 | 9.71 | 8.85 | 9.16 | 9.16 | -1.61% | 285,143 |
| May 22, 2025 | 8.84 | 9.57 | 8.48 | 9.31 | 9.31 | 4.26% | 384,165 |
| May 21, 2025 | 9.06 | 9.47 | 8.70 | 8.93 | 8.93 | -2.19% | 282,314 |
| May 20, 2025 | 9.03 | 9.33 | 8.63 | 9.13 | 9.13 | 0.88% | 398,528 |
| May 19, 2025 | 8.51 | 9.32 | 8.50 | 9.05 | 9.05 | 4.75% | 385,483 |
| May 16, 2025 | 8.79 | 9.38 | 8.62 | 8.64 | 8.64 | -1.59% | 319,062 |
| May 15, 2025 | 8.57 | 8.89 | 8.25 | 8.78 | 8.78 | 2.57% | 237,936 |
| May 14, 2025 | 8.59 | 8.81 | 7.99 | 8.56 | 8.56 | -1.04% | 356,782 |
| May 13, 2025 | 9.69 | 9.69 | 8.60 | 8.65 | 8.65 | -8.95% | 321,030 |
| May 12, 2025 | 9.00 | 9.70 | 8.24 | 9.50 | 9.50 | 7.71% | 174,741 |
| May 9, 2025 | 8.92 | 9.40 | 8.53 | 8.82 | 8.82 | -0.23% | 324,835 |
| May 8, 2025 | 8.64 | 8.99 | 7.88 | 8.84 | 8.84 | 3.03% | 218,387 |
| May 7, 2025 | 8.15 | 9.17 | 8.06 | 8.58 | 8.58 | 4.51% | 253,041 |
| May 6, 2025 | 8.57 | 8.90 | 7.79 | 8.21 | 8.21 | -5.41% | 906,996 |
| May 5, 2025 | 8.54 | 8.83 | 7.95 | 8.68 | 8.68 | 0.46% | 491,615 |
| May 2, 2025 | 9.18 | 9.29 | 8.63 | 8.64 | 8.64 | -4.00% | 484,381 |
| May 1, 2025 | 9.26 | 9.49 | 8.75 | 9.00 | 9.00 | -2.81% | 267,173 |
| Apr 30, 2025 | 8.89 | 9.41 | 8.59 | 9.26 | 9.26 | 3.12% | 189,690 |
| Apr 29, 2025 | 8.89 | 9.82 | 8.55 | 8.98 | 8.98 | 2.28% | 216,944 |
| Apr 28, 2025 | 8.35 | 8.85 | 7.93 | 8.78 | 8.78 | 4.65% | 291,529 |
| Apr 25, 2025 | 8.86 | 8.86 | 8.20 | 8.39 | 8.39 | -6.36% | 232,948 |
| Apr 24, 2025 | 9.08 | 9.08 | 8.52 | 8.96 | 8.96 | 1.70% | 227,944 |
| Apr 23, 2025 | 10.37 | 10.50 | 8.53 | 8.81 | 8.81 | -13.20% | 397,963 |
| Apr 22, 2025 | 9.87 | 10.19 | 9.64 | 10.15 | 10.15 | 4.53% | 324,849 |
| Apr 21, 2025 | 8.73 | 9.99 | 8.58 | 9.71 | 9.71 | 10.59% | 507,321 |
| Apr 17, 2025 | 8.42 | 8.92 | 8.13 | 8.78 | 8.78 | 4.28% | 315,158 |
| Apr 16, 2025 | 7.71 | 8.45 | 7.48 | 8.42 | 8.42 | 8.37% | 289,337 |
| Apr 15, 2025 | 7.73 | 8.21 | 7.56 | 7.77 | 7.77 | 2.51% | 245,317 |
| Apr 14, 2025 | 7.59 | 7.93 | 7.22 | 7.58 | 7.58 | 2.85% | 186,367 |
| Apr 11, 2025 | 6.45 | 7.39 | 6.32 | 7.37 | 7.37 | 15.16% | 303,708 |
| Apr 10, 2025 | 6.32 | 6.40 | 5.54 | 6.40 | 6.40 | -1.99% | 314,654 |
| Apr 9, 2025 | 6.08 | 6.61 | 5.14 | 6.53 | 6.53 | 7.58% | 626,762 |
| Apr 8, 2025 | 6.45 | 6.52 | 5.44 | 6.07 | 6.07 | -4.56% | 394,206 |
| Apr 7, 2025 | 5.83 | 6.39 | 5.52 | 6.36 | 6.36 | 4.26% | 325,458 |
| Apr 4, 2025 | 5.99 | 6.12 | 5.59 | 6.10 | 6.10 | -3.17% | 212,237 |
| Apr 3, 2025 | 6.25 | 6.72 | 5.84 | 6.30 | 6.30 | -2.93% | 234,251 |
| Apr 2, 2025 | 6.58 | 6.86 | 6.33 | 6.49 | 6.49 | -3.13% | 203,042 |
| Apr 1, 2025 | 6.44 | 6.72 | 5.85 | 6.70 | 6.70 | 9.48% | 290,138 |
| Mar 31, 2025 | 6.61 | 6.61 | 6.12 | 6.12 | 6.12 | -10.92% | 279,416 |
| Mar 28, 2025 | 6.80 | 7.08 | 6.70 | 6.87 | 6.87 | 0.88% | 138,106 |
| Mar 27, 2025 | 6.78 | 7.25 | 6.63 | 6.81 | 6.81 | -0.44% | 340,069 |
| Mar 26, 2025 | 7.67 | 7.88 | 6.64 | 6.84 | 6.84 | -10.35% | 424,938 |
| Mar 25, 2025 | 7.72 | 7.85 | 7.42 | 7.63 | 7.63 | -0.91% | 118,134 |
| Mar 24, 2025 | 7.73 | 7.84 | 7.37 | 7.70 | 7.70 | 1.05% | 126,482 |
| Mar 21, 2025 | 7.94 | 7.96 | 7.48 | 7.62 | 7.62 | -5.34% | 742,316 |
| Mar 20, 2025 | 8.40 | 8.62 | 7.99 | 8.05 | 8.05 | -5.85% | 267,104 |
| Mar 19, 2025 | 9.01 | 9.49 | 8.20 | 8.55 | 8.55 | -5.42% | 86,793 |
| Mar 18, 2025 | 9.70 | 9.70 | 8.99 | 9.04 | 9.04 | -8.41% | 135,988 |