Celldex Therapeutics, Inc. (CLDX)
NASDAQ: CLDX · Real-Time Price · USD
30.15
-0.07 (-0.23%)
At close: May 19, 2026, 4:00 PM EDT
31.00
+0.85 (2.82%)
After-hours: May 19, 2026, 6:37 PM EDT
Celldex Therapeutics Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| May 19, 2026 | 30.08 | 30.37 | 29.27 | 30.15 | 30.15 | -0.23% | 566,231 |
| May 18, 2026 | 31.45 | 31.98 | 29.70 | 30.22 | 30.22 | -3.57% | 825,944 |
| May 15, 2026 | 32.07 | 32.38 | 31.13 | 31.34 | 31.34 | -3.42% | 682,146 |
| May 14, 2026 | 32.70 | 32.83 | 31.60 | 32.45 | 32.45 | -0.18% | 576,700 |
| May 13, 2026 | 32.25 | 33.08 | 31.91 | 32.51 | 32.51 | 1.59% | 1,157,169 |
| May 12, 2026 | 32.45 | 32.49 | 31.73 | 32.00 | 32.00 | -0.87% | 773,793 |
| May 11, 2026 | 33.98 | 34.78 | 31.76 | 32.28 | 32.28 | -4.97% | 960,368 |
| May 8, 2026 | 34.94 | 34.94 | 32.62 | 33.97 | 33.97 | 1.95% | 794,141 |
| May 7, 2026 | 34.25 | 34.25 | 32.58 | 33.32 | 33.32 | -3.11% | 886,620 |
| May 6, 2026 | 33.91 | 34.54 | 33.33 | 34.39 | 34.39 | 1.57% | 534,788 |
| May 5, 2026 | 33.13 | 34.20 | 32.43 | 33.86 | 33.86 | 3.33% | 725,602 |
| May 4, 2026 | 32.17 | 33.01 | 32.17 | 32.77 | 32.77 | 1.42% | 481,067 |
| May 1, 2026 | 32.90 | 33.86 | 32.17 | 32.31 | 32.31 | -1.73% | 411,462 |
| Apr 30, 2026 | 32.70 | 33.32 | 32.29 | 32.88 | 32.88 | 2.30% | 647,950 |
| Apr 29, 2026 | 32.73 | 33.04 | 31.65 | 32.14 | 32.14 | -3.28% | 602,775 |
| Apr 28, 2026 | 33.96 | 34.61 | 33.19 | 33.23 | 33.23 | -1.28% | 770,410 |
| Apr 27, 2026 | 33.15 | 34.65 | 33.15 | 33.66 | 33.66 | 1.11% | 851,876 |
| Apr 24, 2026 | 33.80 | 33.80 | 32.88 | 33.29 | 33.29 | -0.77% | 597,141 |
| Apr 23, 2026 | 34.51 | 34.96 | 33.19 | 33.55 | 33.55 | -1.93% | 728,832 |
| Apr 22, 2026 | 34.57 | 34.74 | 33.84 | 34.21 | 34.21 | -0.12% | 787,270 |
| Apr 21, 2026 | 34.39 | 34.39 | 33.65 | 34.25 | 34.25 | -0.38% | 797,903 |
| Apr 20, 2026 | 35.79 | 35.79 | 34.34 | 34.38 | 34.38 | -0.49% | 943,377 |
| Apr 17, 2026 | 34.55 | 35.29 | 34.32 | 34.55 | 34.55 | 2.04% | 1,481,146 |
| Apr 16, 2026 | 33.82 | 33.97 | 33.29 | 33.86 | 33.86 | -0.03% | 853,186 |
| Apr 15, 2026 | 33.58 | 34.26 | 33.49 | 33.87 | 33.87 | 1.62% | 971,668 |
| Apr 14, 2026 | 32.23 | 33.72 | 31.97 | 33.33 | 33.33 | 2.27% | 844,339 |
| Apr 13, 2026 | 32.31 | 32.83 | 32.11 | 32.59 | 32.59 | 1.09% | 691,150 |
| Apr 10, 2026 | 33.60 | 33.73 | 32.08 | 32.24 | 32.24 | -4.10% | 696,127 |
| Apr 9, 2026 | 32.45 | 33.86 | 32.23 | 33.62 | 33.62 | 3.73% | 815,378 |
| Apr 8, 2026 | 31.97 | 32.59 | 31.04 | 32.41 | 32.41 | 3.38% | 1,776,803 |
| Apr 7, 2026 | 30.96 | 31.62 | 30.52 | 31.35 | 31.35 | -0.06% | 1,878,450 |
| Apr 6, 2026 | 31.77 | 32.32 | 30.88 | 31.37 | 31.37 | 1.00% | 1,918,680 |
| Apr 2, 2026 | 29.31 | 31.39 | 28.41 | 31.06 | 31.06 | -0.64% | 5,167,187 |
| Apr 1, 2026 | 31.94 | 32.61 | 31.14 | 31.26 | 31.26 | -1.45% | 432,960 |
| Mar 31, 2026 | 30.48 | 32.42 | 30.46 | 31.72 | 31.72 | 7.60% | 1,369,564 |
| Mar 30, 2026 | 30.24 | 30.67 | 29.30 | 29.48 | 29.48 | -2.71% | 650,120 |
| Mar 27, 2026 | 31.29 | 31.75 | 30.00 | 30.30 | 30.30 | -4.57% | 904,825 |
| Mar 26, 2026 | 31.17 | 32.66 | 31.17 | 31.75 | 31.75 | 0.22% | 762,701 |
| Mar 25, 2026 | 31.77 | 32.44 | 31.39 | 31.68 | 31.68 | 1.57% | 657,003 |
| Mar 24, 2026 | 31.40 | 31.97 | 30.50 | 31.19 | 31.19 | -1.92% | 936,272 |
| Mar 23, 2026 | 32.80 | 34.52 | 31.73 | 31.80 | 31.80 | 2.91% | 1,496,616 |
| Mar 20, 2026 | 30.26 | 31.85 | 29.95 | 30.90 | 30.90 | 2.90% | 3,242,637 |
| Mar 19, 2026 | 28.18 | 30.45 | 27.92 | 30.03 | 30.03 | 5.22% | 1,043,838 |
| Mar 18, 2026 | 29.38 | 29.72 | 28.40 | 28.54 | 28.54 | -3.71% | 733,703 |
| Mar 17, 2026 | 30.18 | 30.30 | 29.55 | 29.64 | 29.64 | -1.82% | 417,748 |
| Mar 16, 2026 | 29.90 | 30.76 | 29.72 | 30.19 | 30.19 | 2.30% | 776,810 |
| Mar 13, 2026 | 30.29 | 30.93 | 29.37 | 29.51 | 29.51 | -1.24% | 510,034 |
| Mar 12, 2026 | 30.75 | 30.75 | 29.34 | 29.88 | 29.88 | -4.32% | 685,856 |
| Mar 11, 2026 | 31.07 | 31.68 | 30.55 | 31.23 | 31.23 | 0.26% | 811,910 |
| Mar 10, 2026 | 30.87 | 31.99 | 30.56 | 31.15 | 31.15 | 1.37% | 1,079,263 |