Compass Therapeutics, Inc. (CMPX)
NASDAQ: CMPX · Real-Time Price · USD
0.8567
-0.0444 (-4.93%)
At close: Oct 2, 2026, 4:00 PM EDT
0.8907
+0.0340 (3.97%)
After-hours: Oct 2, 2026, 7:59 PM EDT
Compass Therapeutics Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 2, 2026 | 0.94 | 0.98 | 0.83 | 0.86 | 0.86 | -4.93% | 20,700,087 |
| Oct 1, 2026 | 1.03 | 1.06 | 0.90 | 0.90 | 0.90 | -13.36% | 10,031,100 |
| Sep 30, 2026 | 1.10 | 1.10 | 1.02 | 1.04 | 1.04 | -5.45% | 5,648,548 |
| Sep 29, 2026 | 1.13 | 1.15 | 1.09 | 1.10 | 1.10 | -0.90% | 3,282,883 |
| Sep 28, 2026 | 1.15 | 1.15 | 1.10 | 1.11 | 1.11 | -1.77% | 3,672,556 |
| Sep 25, 2026 | 1.17 | 1.20 | 1.12 | 1.13 | 1.13 | -0.44% | 3,520,427 |
| Sep 24, 2026 | 1.17 | 1.17 | 1.10 | 1.14 | 1.14 | -2.99% | 4,502,344 |
| Sep 23, 2026 | 1.22 | 1.23 | 1.13 | 1.17 | 1.17 | -5.65% | 7,668,139 |
| Sep 22, 2026 | 1.25 | 1.44 | 1.15 | 1.24 | 1.24 | -31.87% | 26,853,776 |
| Sep 21, 2026 | 1.88 | 1.88 | 1.80 | 1.82 | 1.82 | -4.21% | 2,970,237 |
| Sep 18, 2026 | 1.86 | 1.90 | 1.81 | 1.90 | 1.90 | 2.70% | 8,191,440 |
| Sep 17, 2026 | 1.88 | 1.94 | 1.84 | 1.85 | 1.85 | 1.09% | 2,494,520 |
| Sep 16, 2026 | 1.87 | 1.90 | 1.80 | 1.83 | 1.83 | -1.08% | 2,242,483 |
| Sep 15, 2026 | 1.98 | 1.98 | 1.85 | 1.85 | 1.85 | -5.61% | 2,440,059 |
| Sep 14, 2026 | 2.03 | 2.04 | 1.96 | 1.96 | 1.96 | -2.00% | 2,278,976 |
| Sep 11, 2026 | 2.08 | 2.09 | 1.96 | 2.00 | 2.00 | -2.44% | 4,828,614 |
| Sep 10, 2026 | 2.17 | 2.17 | 2.04 | 2.05 | 2.05 | -5.96% | 2,541,061 |
| Sep 9, 2026 | 2.22 | 2.25 | 2.17 | 2.18 | 2.18 | -1.36% | 2,614,911 |
| Sep 8, 2026 | 2.32 | 2.33 | 2.20 | 2.21 | 2.21 | -7.14% | 2,428,040 |
| Sep 4, 2026 | 2.34 | 2.45 | 2.33 | 2.38 | 2.38 | 0.42% | 2,548,324 |
| Sep 3, 2026 | 2.44 | 2.44 | 2.35 | 2.37 | 2.37 | -2.47% | 2,559,952 |
| Sep 2, 2026 | 2.31 | 2.46 | 2.31 | 2.43 | 2.43 | 5.19% | 2,539,819 |
| Sep 1, 2026 | 2.37 | 2.40 | 2.29 | 2.31 | 2.31 | -3.35% | 1,512,903 |
| Aug 31, 2026 | 2.40 | 2.40 | 2.31 | 2.39 | 2.39 | -0.42% | 3,523,042 |
| Aug 28, 2026 | 2.51 | 2.51 | 2.40 | 2.40 | 2.40 | -4.76% | 2,567,637 |
| Aug 27, 2026 | 2.44 | 2.53 | 2.40 | 2.52 | 2.52 | 3.70% | 1,941,408 |
| Aug 26, 2026 | 2.51 | 2.52 | 2.41 | 2.43 | 2.43 | -3.95% | 1,445,009 |
| Aug 25, 2026 | 2.40 | 2.55 | 2.39 | 2.53 | 2.53 | 5.42% | 2,295,274 |
| Aug 24, 2026 | 2.42 | 2.43 | 2.32 | 2.40 | 2.40 | - | 974,876 |
| Aug 21, 2026 | 2.39 | 2.45 | 2.33 | 2.40 | 2.40 | 1.69% | 2,032,331 |
| Aug 20, 2026 | 2.42 | 2.46 | 2.31 | 2.36 | 2.36 | -4.84% | 2,179,350 |
| 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 |