Zenas BioPharma, Inc. (ZBIO)
NASDAQ: ZBIO · Real-Time Price · USD
18.40
-0.16 (-0.86%)
At close: May 29, 2026, 4:00 PM EDT
18.47
+0.07 (0.38%)
After-hours: May 29, 2026, 6:05 PM EDT
Zenas BioPharma Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| May 29, 2026 | 18.56 | 19.00 | 18.14 | 18.40 | 18.40 | -0.86% | 724,226 |
| May 28, 2026 | 18.28 | 19.21 | 17.70 | 18.56 | 18.56 | 2.60% | 733,726 |
| May 27, 2026 | 18.68 | 19.00 | 18.00 | 18.09 | 18.09 | -3.42% | 321,493 |
| May 26, 2026 | 19.24 | 19.27 | 18.61 | 18.73 | 18.73 | -1.27% | 406,527 |
| May 22, 2026 | 19.99 | 20.16 | 18.94 | 18.97 | 18.97 | -4.39% | 342,227 |
| May 21, 2026 | 19.35 | 20.19 | 19.20 | 19.84 | 19.84 | 1.43% | 531,812 |
| May 20, 2026 | 18.22 | 19.67 | 17.85 | 19.56 | 19.56 | 9.64% | 568,493 |
| May 19, 2026 | 17.92 | 18.26 | 17.02 | 17.84 | 17.84 | 5.50% | 658,967 |
| May 18, 2026 | 18.36 | 18.64 | 16.41 | 16.91 | 16.91 | -7.80% | 1,162,574 |
| May 15, 2026 | 18.45 | 18.56 | 17.39 | 18.34 | 18.34 | -2.96% | 642,859 |
| May 14, 2026 | 20.10 | 20.23 | 18.80 | 18.90 | 18.90 | -5.17% | 510,735 |
| May 13, 2026 | 19.60 | 20.22 | 18.99 | 19.93 | 19.93 | 4.02% | 516,448 |
| May 12, 2026 | 20.40 | 20.45 | 19.11 | 19.16 | 19.16 | -6.08% | 296,953 |
| May 11, 2026 | 19.98 | 21.09 | 19.75 | 20.40 | 20.40 | 3.87% | 384,488 |
| May 8, 2026 | 19.27 | 20.00 | 19.01 | 19.64 | 19.64 | 1.92% | 289,145 |
| May 7, 2026 | 20.83 | 20.95 | 18.94 | 19.27 | 19.27 | -7.49% | 448,455 |
| May 6, 2026 | 20.77 | 21.06 | 20.27 | 20.83 | 20.83 | 0.34% | 352,881 |
| May 5, 2026 | 21.68 | 22.15 | 20.27 | 20.76 | 20.76 | -3.71% | 398,761 |
| May 4, 2026 | 19.47 | 21.90 | 19.06 | 21.56 | 21.56 | 11.36% | 920,269 |
| May 1, 2026 | 19.23 | 19.87 | 18.63 | 19.36 | 19.36 | 0.21% | 796,926 |
| Apr 30, 2026 | 19.05 | 19.48 | 18.20 | 19.32 | 19.32 | 10.09% | 686,615 |
| Apr 29, 2026 | 17.72 | 18.22 | 17.39 | 17.55 | 17.55 | -2.55% | 498,518 |
| Apr 28, 2026 | 18.80 | 19.16 | 17.68 | 18.01 | 18.01 | -3.12% | 535,338 |
| Apr 27, 2026 | 18.04 | 19.04 | 17.90 | 18.59 | 18.59 | 2.20% | 344,520 |
| Apr 24, 2026 | 18.40 | 18.64 | 17.63 | 18.19 | 18.19 | -1.62% | 564,707 |
| Apr 23, 2026 | 19.95 | 20.20 | 18.45 | 18.49 | 18.49 | -7.87% | 532,185 |
| Apr 22, 2026 | 20.67 | 21.12 | 19.66 | 20.07 | 20.07 | -1.81% | 507,630 |
| Apr 21, 2026 | 20.96 | 21.17 | 20.23 | 20.44 | 20.44 | -2.20% | 426,938 |
| Apr 20, 2026 | 21.77 | 21.80 | 20.45 | 20.90 | 20.90 | -4.22% | 299,615 |
| Apr 17, 2026 | 21.99 | 22.01 | 21.27 | 21.82 | 21.82 | 0.28% | 316,957 |
| Apr 16, 2026 | 20.99 | 21.88 | 20.36 | 21.76 | 21.76 | 3.37% | 313,829 |
| Apr 15, 2026 | 21.44 | 21.65 | 20.51 | 21.05 | 21.05 | -1.36% | 631,252 |
| Apr 14, 2026 | 21.22 | 21.67 | 21.06 | 21.34 | 21.34 | 1.43% | 696,909 |
| Apr 13, 2026 | 20.55 | 21.50 | 20.55 | 21.04 | 21.04 | 2.94% | 434,211 |
| Apr 10, 2026 | 21.28 | 21.65 | 20.13 | 20.44 | 20.44 | -3.95% | 384,653 |
| Apr 9, 2026 | 20.75 | 21.77 | 20.75 | 21.28 | 21.28 | 2.01% | 554,273 |
| Apr 8, 2026 | 22.76 | 23.00 | 20.30 | 20.86 | 20.86 | -7.21% | 837,211 |
| Apr 7, 2026 | 22.19 | 22.76 | 21.49 | 22.48 | 22.48 | 0.99% | 456,554 |
| Apr 6, 2026 | 21.53 | 22.71 | 21.46 | 22.26 | 22.26 | 3.73% | 643,037 |
| Apr 2, 2026 | 20.12 | 22.15 | 19.81 | 21.46 | 21.46 | 5.40% | 1,722,639 |
| Apr 1, 2026 | 20.38 | 20.49 | 19.27 | 20.36 | 20.36 | 4.14% | 1,987,486 |
| Mar 31, 2026 | 18.67 | 19.60 | 18.30 | 19.55 | 19.55 | 7.27% | 2,564,855 |
| Mar 30, 2026 | 18.50 | 18.62 | 17.79 | 18.23 | 18.23 | 0.08% | 1,201,550 |
| Mar 27, 2026 | 19.23 | 19.35 | 17.20 | 18.21 | 18.21 | -17.82% | 3,367,079 |
| Mar 26, 2026 | 21.92 | 22.74 | 21.74 | 22.16 | 22.16 | -0.14% | 236,693 |
| Mar 25, 2026 | 21.18 | 22.72 | 21.18 | 22.19 | 22.19 | 5.37% | 468,040 |
| Mar 24, 2026 | 20.45 | 21.68 | 19.81 | 21.06 | 21.06 | 2.08% | 508,736 |
| Mar 23, 2026 | 22.42 | 22.79 | 19.76 | 20.63 | 20.63 | -7.49% | 1,792,994 |
| Mar 20, 2026 | 23.48 | 24.08 | 21.00 | 22.30 | 22.30 | -4.58% | 2,323,120 |
| Mar 19, 2026 | 22.84 | 23.76 | 22.01 | 23.37 | 23.37 | 1.48% | 376,538 |