Spero Therapeutics, Inc. (SPRO)
NASDAQ: SPRO · Real-Time Price · USD
2.260
-0.020 (-0.88%)
At close: Dec 5, 2025, 4:00 PM EST
2.261
+0.001 (0.05%)
After-hours: Dec 5, 2025, 4:18 PM EST
Spero Therapeutics Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Dec 5, 2025 | 2.29 | 2.31 | 2.25 | 2.26 | 2.26 | -0.88% | 160,969 |
| Dec 4, 2025 | 2.27 | 2.33 | 2.24 | 2.28 | 2.28 | - | 241,514 |
| Dec 3, 2025 | 2.21 | 2.29 | 2.18 | 2.28 | 2.28 | 3.64% | 364,377 |
| Dec 2, 2025 | 2.28 | 2.29 | 2.20 | 2.20 | 2.20 | -3.08% | 502,406 |
| Dec 1, 2025 | 2.33 | 2.38 | 2.26 | 2.27 | 2.27 | -5.42% | 367,479 |
| Nov 28, 2025 | 2.35 | 2.42 | 2.33 | 2.40 | 2.40 | 3.00% | 136,057 |
| Nov 26, 2025 | 2.35 | 2.38 | 2.28 | 2.33 | 2.33 | -0.43% | 361,654 |
| Nov 25, 2025 | 2.37 | 2.37 | 2.30 | 2.34 | 2.34 | -1.68% | 275,806 |
| Nov 24, 2025 | 2.34 | 2.40 | 2.33 | 2.38 | 2.38 | 3.03% | 626,915 |
| Nov 21, 2025 | 2.22 | 2.33 | 2.21 | 2.31 | 2.31 | 2.21% | 170,067 |
| Nov 20, 2025 | 2.40 | 2.42 | 2.23 | 2.26 | 2.26 | -5.04% | 434,918 |
| Nov 19, 2025 | 2.47 | 2.47 | 2.33 | 2.38 | 2.38 | -3.64% | 512,698 |
| Nov 18, 2025 | 2.40 | 2.49 | 2.37 | 2.47 | 2.47 | 1.65% | 325,366 |
| Nov 17, 2025 | 2.41 | 2.57 | 2.41 | 2.43 | 2.43 | 0.83% | 635,133 |
| Nov 14, 2025 | 2.39 | 2.48 | 2.33 | 2.41 | 2.41 | -1.23% | 251,250 |
| Nov 13, 2025 | 2.66 | 2.72 | 2.43 | 2.44 | 2.44 | -8.27% | 881,763 |
| Nov 12, 2025 | 2.63 | 2.75 | 2.61 | 2.66 | 2.66 | 1.53% | 752,585 |
| Nov 11, 2025 | 2.50 | 2.66 | 2.50 | 2.62 | 2.62 | 4.80% | 675,270 |
| Nov 10, 2025 | 2.45 | 2.57 | 2.45 | 2.50 | 2.50 | 1.63% | 481,910 |
| Nov 7, 2025 | 2.38 | 2.46 | 2.35 | 2.46 | 2.46 | 2.93% | 514,784 |
| Nov 6, 2025 | 2.43 | 2.47 | 2.38 | 2.39 | 2.39 | -1.65% | 603,829 |
| Nov 5, 2025 | 2.35 | 2.48 | 2.35 | 2.43 | 2.43 | 3.40% | 596,286 |
| Nov 4, 2025 | 2.35 | 2.47 | 2.33 | 2.35 | 2.35 | -1.26% | 706,066 |
| Nov 3, 2025 | 2.44 | 2.47 | 2.32 | 2.38 | 2.38 | -2.06% | 447,720 |
| Oct 31, 2025 | 2.35 | 2.48 | 2.33 | 2.43 | 2.43 | 2.97% | 493,271 |
| Oct 30, 2025 | 2.33 | 2.44 | 2.31 | 2.36 | 2.36 | 1.29% | 332,813 |
| Oct 29, 2025 | 2.37 | 2.40 | 2.30 | 2.33 | 2.33 | -2.10% | 433,938 |
| Oct 28, 2025 | 2.28 | 2.42 | 2.27 | 2.38 | 2.38 | 3.93% | 585,780 |
| Oct 27, 2025 | 2.22 | 2.30 | 2.21 | 2.29 | 2.29 | 3.62% | 296,186 |
| Oct 24, 2025 | 2.20 | 2.25 | 2.19 | 2.21 | 2.21 | 0.45% | 451,821 |
| Oct 23, 2025 | 2.24 | 2.28 | 2.16 | 2.20 | 2.20 | -2.22% | 667,257 |
| Oct 22, 2025 | 2.30 | 2.32 | 2.24 | 2.25 | 2.25 | -5.06% | 1,165,741 |
| Oct 21, 2025 | 2.31 | 2.50 | 2.30 | 2.37 | 2.37 | 3.49% | 12,750,029 |
| Oct 20, 2025 | 2.22 | 2.32 | 2.22 | 2.29 | 2.29 | 3.62% | 376,862 |
| Oct 17, 2025 | 2.31 | 2.32 | 2.21 | 2.21 | 2.21 | -5.96% | 619,037 |
| Oct 16, 2025 | 2.50 | 2.52 | 2.34 | 2.35 | 2.35 | -5.62% | 485,800 |
| Oct 15, 2025 | 2.40 | 2.49 | 2.36 | 2.49 | 2.49 | 5.51% | 593,716 |
| Oct 14, 2025 | 2.24 | 2.39 | 2.24 | 2.36 | 2.36 | 3.06% | 449,224 |
| Oct 13, 2025 | 2.35 | 2.41 | 2.24 | 2.29 | 2.29 | 1.78% | 553,849 |
| Oct 10, 2025 | 2.38 | 2.41 | 2.25 | 2.25 | 2.25 | -4.66% | 822,415 |
| Oct 9, 2025 | 2.35 | 2.42 | 2.32 | 2.36 | 2.36 | 3.51% | 591,433 |
| Oct 8, 2025 | 2.18 | 2.35 | 2.18 | 2.28 | 2.28 | 5.56% | 796,193 |
| Oct 7, 2025 | 2.08 | 2.19 | 2.06 | 2.16 | 2.16 | 3.35% | 748,336 |
| Oct 6, 2025 | 2.04 | 2.13 | 2.02 | 2.09 | 2.09 | 1.95% | 384,358 |
| Oct 3, 2025 | 2.01 | 2.09 | 1.99 | 2.05 | 2.05 | 0.99% | 379,982 |
| Oct 2, 2025 | 1.99 | 2.04 | 1.94 | 2.03 | 2.03 | 3.57% | 204,086 |
| Oct 1, 2025 | 1.89 | 1.98 | 1.89 | 1.96 | 1.96 | 4.26% | 391,031 |
| Sep 30, 2025 | 1.91 | 1.91 | 1.84 | 1.88 | 1.88 | -1.05% | 385,870 |
| Sep 29, 2025 | 1.89 | 1.93 | 1.88 | 1.90 | 1.90 | 0.53% | 158,728 |
| Sep 26, 2025 | 1.93 | 1.96 | 1.87 | 1.89 | 1.89 | -2.58% | 397,502 |
| Sep 25, 2025 | 1.98 | 1.98 | 1.91 | 1.94 | 1.94 | -1.52% | 249,715 |
| Sep 24, 2025 | 2.02 | 2.04 | 1.97 | 1.97 | 1.97 | -1.99% | 256,042 |
| Sep 23, 2025 | 2.00 | 2.05 | 1.98 | 2.01 | 2.01 | -0.99% | 193,102 |
| Sep 22, 2025 | 2.01 | 2.03 | 1.97 | 2.03 | 2.03 | 1.50% | 345,958 |
| Sep 19, 2025 | 2.02 | 2.05 | 1.96 | 2.00 | 2.00 | - | 393,615 |
| Sep 18, 2025 | 1.90 | 2.01 | 1.90 | 2.00 | 2.00 | 5.26% | 273,192 |
| Sep 17, 2025 | 1.89 | 1.95 | 1.89 | 1.90 | 1.90 | - | 148,632 |
| Sep 16, 2025 | 1.88 | 1.91 | 1.87 | 1.90 | 1.90 | 1.06% | 134,180 |
| Sep 15, 2025 | 1.91 | 1.92 | 1.87 | 1.88 | 1.88 | -1.05% | 305,369 |
| Sep 12, 2025 | 1.96 | 1.99 | 1.89 | 1.90 | 1.90 | -2.56% | 391,232 |
| Sep 11, 2025 | 1.94 | 2.02 | 1.94 | 1.95 | 1.95 | 0.52% | 286,685 |
| Sep 10, 2025 | 1.99 | 2.02 | 1.91 | 1.94 | 1.94 | -2.02% | 357,306 |
| Sep 9, 2025 | 1.96 | 2.01 | 1.94 | 1.98 | 1.98 | -0.75% | 223,066 |
| Sep 8, 2025 | 2.16 | 2.18 | 1.86 | 2.00 | 2.00 | -7.21% | 521,520 |
| Sep 5, 2025 | 2.14 | 2.17 | 2.13 | 2.15 | 2.15 | 0.47% | 175,508 |
| Sep 4, 2025 | 2.08 | 2.20 | 2.07 | 2.14 | 2.14 | 2.88% | 520,743 |
| Sep 3, 2025 | 2.06 | 2.12 | 2.04 | 2.08 | 2.08 | 1.46% | 291,283 |
| Sep 2, 2025 | 2.04 | 2.12 | 2.03 | 2.05 | 2.05 | -0.97% | 417,020 |
| Aug 29, 2025 | 2.01 | 2.07 | 2.00 | 2.07 | 2.07 | 3.50% | 396,975 |
| Aug 28, 2025 | 1.97 | 2.04 | 1.96 | 2.00 | 2.00 | 1.01% | 254,921 |
| Aug 27, 2025 | 1.85 | 2.01 | 1.85 | 1.98 | 1.98 | 7.03% | 555,415 |
| Aug 26, 2025 | 1.83 | 1.88 | 1.83 | 1.85 | 1.85 | - | 161,205 |
| Aug 25, 2025 | 1.89 | 1.90 | 1.85 | 1.85 | 1.85 | -1.07% | 192,412 |
| Aug 22, 2025 | 1.89 | 1.94 | 1.86 | 1.87 | 1.87 | 0.54% | 302,539 |
| Aug 21, 2025 | 1.81 | 1.90 | 1.81 | 1.86 | 1.86 | 1.64% | 536,252 |
| Aug 20, 2025 | 1.81 | 1.85 | 1.80 | 1.83 | 1.83 | -0.54% | 441,978 |
| Aug 19, 2025 | 1.88 | 1.91 | 1.84 | 1.84 | 1.84 | -3.66% | 367,449 |
| Aug 18, 2025 | 1.91 | 1.94 | 1.89 | 1.91 | 1.91 | - | 521,504 |
| Aug 15, 2025 | 1.95 | 1.96 | 1.85 | 1.91 | 1.91 | -3.54% | 1,046,944 |
| Aug 14, 2025 | 1.92 | 2.01 | 1.92 | 1.98 | 1.98 | 2.33% | 626,243 |
| Aug 13, 2025 | 2.15 | 2.15 | 1.92 | 1.94 | 1.94 | -18.01% | 2,491,150 |
| Aug 12, 2025 | 2.21 | 2.38 | 2.21 | 2.36 | 2.36 | 7.27% | 677,646 |
| Aug 11, 2025 | 2.19 | 2.23 | 2.15 | 2.20 | 2.20 | 0.46% | 360,244 |
| Aug 8, 2025 | 2.16 | 2.23 | 2.16 | 2.19 | 2.19 | 0.92% | 402,219 |
| Aug 7, 2025 | 2.25 | 2.27 | 2.13 | 2.17 | 2.17 | -3.98% | 1,003,359 |
| Aug 6, 2025 | 2.15 | 2.31 | 2.15 | 2.26 | 2.26 | 6.60% | 817,747 |
| Aug 5, 2025 | 2.29 | 2.33 | 2.11 | 2.12 | 2.12 | -6.19% | 2,317,529 |
| Aug 4, 2025 | 2.32 | 2.39 | 2.20 | 2.26 | 2.26 | -1.74% | 950,419 |
| Aug 1, 2025 | 2.26 | 2.33 | 2.22 | 2.30 | 2.30 | -0.86% | 518,730 |
| Jul 31, 2025 | 2.17 | 2.44 | 2.17 | 2.32 | 2.32 | 6.67% | 922,466 |
| Jul 30, 2025 | 2.25 | 2.26 | 2.16 | 2.18 | 2.18 | -1.14% | 485,056 |
| Jul 29, 2025 | 2.29 | 2.31 | 2.18 | 2.20 | 2.20 | -4.35% | 879,108 |
| Jul 28, 2025 | 2.30 | 2.35 | 2.29 | 2.30 | 2.30 | -1.29% | 295,621 |
| Jul 25, 2025 | 2.34 | 2.40 | 2.32 | 2.33 | 2.33 | -0.85% | 350,749 |
| Jul 24, 2025 | 2.38 | 2.41 | 2.35 | 2.35 | 2.35 | -1.26% | 368,540 |
| Jul 23, 2025 | 2.40 | 2.45 | 2.37 | 2.38 | 2.38 | -1.24% | 657,756 |
| Jul 22, 2025 | 2.33 | 2.45 | 2.32 | 2.41 | 2.41 | 3.88% | 586,692 |
| Jul 21, 2025 | 2.36 | 2.41 | 2.30 | 2.32 | 2.32 | -2.11% | 534,880 |
| Jul 18, 2025 | 2.48 | 2.53 | 2.35 | 2.37 | 2.37 | -4.44% | 970,578 |
| Jul 17, 2025 | 2.49 | 2.51 | 2.47 | 2.48 | 2.48 | 0.40% | 501,392 |