Compass Therapeutics, Inc. (CMPX)
NASDAQ: CMPX · Real-Time Price · USD
2.400
+0.040 (1.69%)
At close: Aug 21, 2026, 4:00 PM EDT
2.381
-0.019 (-0.77%)
After-hours: Aug 21, 2026, 7:45 PM EDT
Compass Therapeutics Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Aug 21, 2026 | 2.39 | 2.45 | 2.33 | 2.40 | 2.40 | 1.69% | 2,030,371 |
| Aug 20, 2026 | 2.42 | 2.46 | 2.31 | 2.36 | 2.36 | -4.84% | 2,175,989 |
| Aug 19, 2026 | 2.42 | 2.52 | 2.41 | 2.48 | 2.48 | 3.77% | 3,903,263 |
| Aug 18, 2026 | 2.28 | 2.44 | 2.24 | 2.39 | 2.39 | 3.46% | 2,934,326 |
| Aug 17, 2026 | 2.20 | 2.37 | 2.20 | 2.31 | 2.31 | 2.67% | 2,369,229 |
| Aug 14, 2026 | 2.30 | 2.30 | 2.23 | 2.25 | 2.25 | -0.44% | 1,362,180 |
| Aug 13, 2026 | 2.36 | 2.37 | 2.23 | 2.26 | 2.26 | -4.64% | 2,272,293 |
| Aug 12, 2026 | 2.20 | 2.39 | 2.17 | 2.37 | 2.37 | 7.73% | 8,291,258 |
| Aug 11, 2026 | 2.20 | 2.38 | 2.20 | 2.20 | 2.20 | -0.90% | 3,984,649 |
| Aug 10, 2026 | 2.15 | 2.23 | 2.11 | 2.22 | 2.22 | 3.26% | 4,205,751 |
| Aug 7, 2026 | 2.05 | 2.18 | 2.03 | 2.15 | 2.15 | 8.04% | 3,827,246 |
| Aug 6, 2026 | 1.93 | 2.00 | 1.87 | 1.99 | 1.99 | 5.29% | 6,688,585 |
| Aug 5, 2026 | 2.00 | 2.01 | 1.85 | 1.89 | 1.89 | -4.55% | 4,253,430 |
| Aug 4, 2026 | 1.90 | 2.00 | 1.89 | 1.98 | 1.98 | 5.04% | 3,050,298 |
| Aug 3, 2026 | 1.94 | 1.95 | 1.85 | 1.89 | 1.89 | -1.31% | 3,511,490 |
| Jul 31, 2026 | 1.95 | 1.96 | 1.86 | 1.91 | 1.91 | -1.55% | 2,640,537 |
| Jul 30, 2026 | 1.93 | 1.96 | 1.91 | 1.94 | 1.94 | - | 1,913,204 |
| Jul 29, 2026 | 2.04 | 2.04 | 1.94 | 1.94 | 1.94 | -4.90% | 3,176,181 |
| Jul 28, 2026 | 2.07 | 2.08 | 1.97 | 2.04 | 2.04 | -1.92% | 3,147,926 |
| Jul 27, 2026 | 2.11 | 2.23 | 2.08 | 2.08 | 2.08 | 0.48% | 3,401,640 |
| Jul 24, 2026 | 2.12 | 2.14 | 2.06 | 2.07 | 2.07 | -2.36% | 1,589,937 |
| Jul 23, 2026 | 2.02 | 2.14 | 1.99 | 2.12 | 2.12 | 3.92% | 2,266,567 |
| Jul 22, 2026 | 2.09 | 2.11 | 2.00 | 2.04 | 2.04 | -2.86% | 1,771,804 |
| Jul 21, 2026 | 2.02 | 2.10 | 2.01 | 2.10 | 2.10 | 3.96% | 1,620,718 |
| Jul 20, 2026 | 2.07 | 2.13 | 2.01 | 2.02 | 2.02 | -1.46% | 1,906,655 |
| Jul 17, 2026 | 2.06 | 2.12 | 2.01 | 2.05 | 2.05 | -2.38% | 2,143,118 |
| Jul 16, 2026 | 2.13 | 2.15 | 2.07 | 2.10 | 2.10 | -1.87% | 1,760,205 |
| Jul 15, 2026 | 2.18 | 2.19 | 2.11 | 2.14 | 2.14 | -2.28% | 1,685,244 |
| Jul 14, 2026 | 2.25 | 2.26 | 2.18 | 2.19 | 2.19 | -3.10% | 2,013,765 |
| Jul 13, 2026 | 2.30 | 2.31 | 2.19 | 2.26 | 2.26 | -3.00% | 1,879,366 |
| Jul 10, 2026 | 2.30 | 2.36 | 2.19 | 2.33 | 2.33 | 0.87% | 2,797,353 |
| Jul 9, 2026 | 2.33 | 2.36 | 2.27 | 2.31 | 2.31 | -1.28% | 1,972,847 |
| Jul 8, 2026 | 2.26 | 2.35 | 2.21 | 2.34 | 2.34 | 0.86% | 3,881,914 |
| Jul 7, 2026 | 2.30 | 2.32 | 2.15 | 2.32 | 2.32 | 1.31% | 3,212,752 |
| Jul 6, 2026 | 2.27 | 2.30 | 2.20 | 2.29 | 2.29 | 0.88% | 2,481,789 |
| Jul 2, 2026 | 2.20 | 2.29 | 2.17 | 2.27 | 2.27 | 4.13% | 2,939,846 |
| Jul 1, 2026 | 2.18 | 2.21 | 2.13 | 2.18 | 2.18 | -0.46% | 2,379,040 |
| Jun 30, 2026 | 2.16 | 2.29 | 2.13 | 2.19 | 2.19 | 1.39% | 3,888,526 |
| Jun 29, 2026 | 2.08 | 2.17 | 2.07 | 2.16 | 2.16 | 3.85% | 2,836,724 |
| Jun 26, 2026 | 2.06 | 2.13 | 2.02 | 2.08 | 2.08 | 0.48% | 7,606,102 |
| Jun 25, 2026 | 2.03 | 2.11 | 2.02 | 2.07 | 2.07 | 2.48% | 2,518,458 |
| Jun 24, 2026 | 2.06 | 2.10 | 2.02 | 2.02 | 2.02 | -1.94% | 3,137,885 |
| Jun 23, 2026 | 2.04 | 2.11 | 2.04 | 2.06 | 2.06 | -1.90% | 3,107,129 |
| Jun 22, 2026 | 2.04 | 2.10 | 2.02 | 2.10 | 2.10 | 3.96% | 3,390,340 |
| Jun 18, 2026 | 2.08 | 2.13 | 2.00 | 2.02 | 2.02 | -1.46% | 9,276,475 |
| Jun 17, 2026 | 1.99 | 2.14 | 1.99 | 2.05 | 2.05 | 4.06% | 3,744,497 |
| Jun 16, 2026 | 2.01 | 2.04 | 1.96 | 1.97 | 1.97 | -3.43% | 2,532,656 |
| Jun 15, 2026 | 2.05 | 2.10 | 2.02 | 2.04 | 2.04 | 0.49% | 2,174,768 |
| Jun 12, 2026 | 2.00 | 2.08 | 1.98 | 2.03 | 2.03 | 1.00% | 2,049,688 |
| Jun 11, 2026 | 1.91 | 2.04 | 1.88 | 2.01 | 2.01 | 4.69% | 3,589,309 |