Spero Therapeutics, Inc. (SPRO)
NASDAQ: SPRO · Real-Time Price · USD
2.090
+0.040 (1.95%)
Oct 6, 2025, 4:00 PM EDT - Market closed
Spero Therapeutics Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 6, 2025 | 2.04 | 2.13 | 2.02 | 2.09 | 2.09 | 1.95% | 382,654 |
| 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% | 290,960 |
| 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 |