Spero Therapeutics, Inc. (SPRO)
NASDAQ: SPRO · Real-Time Price · USD
1.190
-0.005 (-0.42%)
At close: Jul 29, 2026, 4:00 PM EDT
1.160
-0.030 (-2.52%)
After-hours: Jul 29, 2026, 6:48 PM EDT
Spero Therapeutics Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Jul 29, 2026 | 1.20 | 1.21 | 1.16 | 1.20 | 1.20 | - | 1,055,387 |
| Jul 28, 2026 | 1.18 | 1.28 | 1.15 | 1.20 | 1.20 | 1.27% | 1,602,355 |
| Jul 27, 2026 | 1.20 | 1.23 | 1.16 | 1.18 | 1.18 | -0.84% | 1,344,610 |
| Jul 24, 2026 | 1.14 | 1.23 | 1.08 | 1.19 | 1.19 | 2.59% | 11,740,878 |
| Jul 23, 2026 | 1.28 | 1.28 | 1.10 | 1.16 | 1.16 | -8.66% | 3,699,184 |
| Jul 22, 2026 | 1.38 | 1.41 | 1.25 | 1.27 | 1.27 | -7.97% | 1,987,703 |
| Jul 21, 2026 | 1.43 | 1.44 | 1.37 | 1.38 | 1.38 | -4.17% | 2,173,930 |
| Jul 20, 2026 | 1.57 | 1.57 | 1.41 | 1.44 | 1.44 | -8.86% | 1,707,997 |
| Jul 17, 2026 | 1.52 | 1.64 | 1.50 | 1.58 | 1.58 | 0.64% | 1,247,402 |
| Jul 16, 2026 | 1.68 | 1.69 | 1.52 | 1.57 | 1.57 | -7.65% | 2,609,404 |
| Jul 15, 2026 | 1.71 | 1.71 | 1.63 | 1.70 | 1.70 | - | 1,396,295 |
| Jul 14, 2026 | 2.17 | 2.34 | 1.67 | 1.70 | 1.70 | -22.02% | 10,808,111 |
| Jul 13, 2026 | 2.11 | 2.19 | 2.07 | 2.18 | 2.18 | 3.81% | 703,469 |
| Jul 10, 2026 | 2.12 | 2.16 | 2.05 | 2.10 | 2.10 | -0.94% | 480,919 |
| Jul 9, 2026 | 2.19 | 2.20 | 2.12 | 2.12 | 2.12 | -2.30% | 362,594 |
| Jul 8, 2026 | 2.14 | 2.23 | 2.13 | 2.17 | 2.17 | 0.46% | 303,907 |
| Jul 7, 2026 | 2.16 | 2.20 | 2.12 | 2.16 | 2.16 | -1.37% | 876,620 |
| Jul 6, 2026 | 2.17 | 2.21 | 2.15 | 2.19 | 2.19 | -0.45% | 350,529 |
| Jul 2, 2026 | 2.23 | 2.28 | 2.15 | 2.20 | 2.20 | -0.90% | 626,827 |
| Jul 1, 2026 | 2.21 | 2.27 | 2.21 | 2.22 | 2.22 | 0.45% | 397,061 |
| Jun 30, 2026 | 2.26 | 2.29 | 2.20 | 2.21 | 2.21 | -2.21% | 432,346 |
| Jun 29, 2026 | 2.26 | 2.33 | 2.25 | 2.26 | 2.26 | - | 516,042 |
| Jun 26, 2026 | 2.03 | 2.33 | 2.01 | 2.26 | 2.26 | 11.88% | 2,217,115 |
| Jun 25, 2026 | 2.12 | 2.13 | 2.02 | 2.02 | 2.02 | -3.81% | 1,138,022 |
| Jun 24, 2026 | 2.15 | 2.23 | 2.10 | 2.10 | 2.10 | -2.33% | 880,684 |
| Jun 23, 2026 | 2.16 | 2.23 | 2.15 | 2.15 | 2.15 | -2.71% | 605,271 |
| Jun 22, 2026 | 2.28 | 2.36 | 2.16 | 2.21 | 2.21 | -3.07% | 2,221,308 |
| Jun 18, 2026 | 2.51 | 2.51 | 2.15 | 2.28 | 2.28 | 8.06% | 7,179,922 |
| Jun 17, 2026 | 2.87 | 3.05 | 1.95 | 2.11 | 2.11 | -23.83% | 11,185,567 |
| Jun 16, 2026 | 2.94 | 2.98 | 2.75 | 2.77 | 2.77 | -4.81% | 1,432,159 |
| Jun 15, 2026 | 2.93 | 2.97 | 2.85 | 2.91 | 2.91 | 2.11% | 938,025 |
| Jun 12, 2026 | 2.72 | 2.85 | 2.70 | 2.85 | 2.85 | 5.56% | 623,936 |
| Jun 11, 2026 | 2.55 | 2.76 | 2.48 | 2.70 | 2.70 | 6.30% | 1,156,442 |
| Jun 10, 2026 | 2.62 | 2.64 | 2.51 | 2.54 | 2.54 | -1.17% | 762,512 |
| Jun 9, 2026 | 2.78 | 2.81 | 2.52 | 2.57 | 2.57 | -6.20% | 1,129,218 |
| Jun 8, 2026 | 2.84 | 2.87 | 2.73 | 2.74 | 2.74 | -2.84% | 649,253 |
| Jun 5, 2026 | 3.00 | 3.00 | 2.76 | 2.82 | 2.82 | -5.37% | 756,307 |
| Jun 4, 2026 | 2.79 | 3.07 | 2.78 | 2.98 | 2.98 | 6.43% | 1,026,065 |
| Jun 3, 2026 | 2.86 | 2.87 | 2.77 | 2.80 | 2.80 | -1.06% | 775,516 |
| Jun 2, 2026 | 2.81 | 2.87 | 2.76 | 2.83 | 2.83 | - | 606,437 |
| Jun 1, 2026 | 2.83 | 2.89 | 2.79 | 2.83 | 2.83 | - | 649,029 |
| May 29, 2026 | 2.92 | 2.92 | 2.75 | 2.83 | 2.83 | -2.41% | 1,340,207 |
| May 28, 2026 | 2.93 | 3.00 | 2.90 | 2.90 | 2.90 | -1.02% | 791,950 |
| May 27, 2026 | 2.86 | 3.08 | 2.81 | 2.93 | 2.93 | 2.45% | 1,774,387 |
| May 26, 2026 | 2.80 | 2.95 | 2.76 | 2.86 | 2.86 | 3.62% | 1,516,806 |
| May 22, 2026 | 2.71 | 2.85 | 2.69 | 2.76 | 2.76 | 2.60% | 545,468 |
| May 21, 2026 | 2.63 | 2.71 | 2.56 | 2.69 | 2.69 | 2.28% | 433,214 |
| May 20, 2026 | 2.59 | 2.65 | 2.55 | 2.63 | 2.63 | 1.54% | 320,203 |
| May 19, 2026 | 2.52 | 2.62 | 2.50 | 2.59 | 2.59 | 0.39% | 323,160 |
| May 18, 2026 | 2.77 | 2.79 | 2.57 | 2.58 | 2.58 | -7.53% | 917,938 |