OmniAb, Inc. (OABI)
NASDAQ: OABI · Real-Time Price · USD
4.470
-0.140 (-3.04%)
At close: Aug 28, 2026, 4:00 PM EDT
4.404
-0.066 (-1.47%)
After-hours: Aug 28, 2026, 7:39 PM EDT
OmniAb Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Aug 28, 2026 | 4.54 | 4.58 | 4.42 | 4.47 | 4.47 | -3.04% | 1,297,053 |
| Aug 27, 2026 | 4.81 | 4.81 | 4.56 | 4.61 | 4.61 | -4.16% | 1,281,408 |
| Aug 26, 2026 | 4.70 | 4.93 | 4.64 | 4.81 | 4.81 | 3.22% | 1,439,588 |
| Aug 25, 2026 | 4.68 | 4.78 | 4.58 | 4.66 | 4.66 | -1.06% | 1,466,427 |
| Aug 24, 2026 | 4.40 | 4.71 | 4.20 | 4.71 | 4.71 | 8.78% | 1,937,601 |
| Aug 21, 2026 | 4.31 | 4.54 | 4.14 | 4.33 | 4.33 | 0.70% | 1,849,054 |
| Aug 20, 2026 | 4.19 | 4.59 | 4.16 | 4.30 | 4.30 | 2.63% | 2,249,714 |
| Aug 19, 2026 | 3.95 | 4.19 | 3.83 | 4.19 | 4.19 | 6.89% | 2,860,728 |
| Aug 18, 2026 | 3.84 | 4.19 | 3.79 | 3.92 | 3.92 | 2.62% | 3,227,458 |
| Aug 17, 2026 | 4.19 | 4.29 | 3.72 | 3.82 | 3.82 | 13.02% | 18,243,977 |
| Aug 14, 2026 | 3.40 | 3.45 | 3.30 | 3.38 | 3.38 | -1.46% | 553,513 |
| Aug 13, 2026 | 3.44 | 3.64 | 3.41 | 3.43 | 3.43 | 0.29% | 922,106 |
| Aug 12, 2026 | 3.39 | 3.49 | 3.34 | 3.42 | 3.42 | 1.18% | 792,852 |
| Aug 11, 2026 | 3.33 | 3.55 | 3.30 | 3.38 | 3.38 | -0.29% | 1,190,497 |
| Aug 10, 2026 | 3.14 | 3.44 | 2.99 | 3.39 | 3.39 | 10.06% | 1,836,647 |
| Aug 7, 2026 | 2.37 | 3.12 | 2.35 | 3.08 | 3.08 | 37.50% | 2,437,044 |
| Aug 6, 2026 | 2.04 | 2.27 | 2.04 | 2.24 | 2.24 | 10.34% | 553,212 |
| Aug 5, 2026 | 2.01 | 2.10 | 1.98 | 2.03 | 2.03 | 1.50% | 440,674 |
| Aug 4, 2026 | 1.96 | 2.04 | 1.94 | 2.00 | 2.00 | 2.04% | 352,541 |
| Aug 3, 2026 | 2.01 | 2.01 | 1.95 | 1.96 | 1.96 | -1.01% | 228,576 |
| Jul 31, 2026 | 1.99 | 2.04 | 1.90 | 1.98 | 1.98 | -0.50% | 275,282 |
| Jul 30, 2026 | 1.95 | 2.02 | 1.95 | 1.99 | 1.99 | 2.05% | 204,301 |
| Jul 29, 2026 | 1.98 | 2.00 | 1.92 | 1.95 | 1.95 | -1.02% | 292,653 |
| Jul 28, 2026 | 2.04 | 2.10 | 1.95 | 1.97 | 1.97 | -2.96% | 312,951 |
| Jul 27, 2026 | 2.06 | 2.13 | 2.02 | 2.03 | 2.03 | - | 285,813 |
| Jul 24, 2026 | 2.05 | 2.12 | 2.03 | 2.03 | 2.03 | -0.49% | 320,653 |
| Jul 23, 2026 | 2.08 | 2.13 | 2.03 | 2.04 | 2.04 | -3.32% | 239,003 |
| Jul 22, 2026 | 2.06 | 2.11 | 2.01 | 2.11 | 2.11 | 0.96% | 665,006 |
| Jul 21, 2026 | 2.15 | 2.15 | 2.02 | 2.09 | 2.09 | 0.48% | 375,524 |
| Jul 20, 2026 | 2.12 | 2.15 | 2.05 | 2.08 | 2.08 | -1.89% | 292,395 |
| Jul 17, 2026 | 2.02 | 2.16 | 1.95 | 2.12 | 2.12 | 3.92% | 500,398 |
| Jul 16, 2026 | 2.15 | 2.15 | 2.01 | 2.04 | 2.04 | -1.92% | 356,124 |
| Jul 15, 2026 | 2.14 | 2.17 | 2.03 | 2.08 | 2.08 | -2.80% | 384,064 |
| Jul 14, 2026 | 2.13 | 2.22 | 2.07 | 2.14 | 2.14 | 1.42% | 545,976 |
| Jul 13, 2026 | 2.26 | 2.28 | 2.11 | 2.11 | 2.11 | -7.86% | 416,093 |
| Jul 10, 2026 | 2.20 | 2.35 | 2.14 | 2.29 | 2.29 | 2.23% | 863,694 |
| Jul 9, 2026 | 2.28 | 2.35 | 2.22 | 2.24 | 2.24 | -2.61% | 497,139 |
| Jul 8, 2026 | 2.36 | 2.38 | 2.24 | 2.30 | 2.30 | -0.86% | 1,091,623 |
| Jul 7, 2026 | 2.41 | 2.57 | 2.29 | 2.32 | 2.32 | -3.73% | 666,077 |
| Jul 6, 2026 | 2.40 | 2.51 | 2.32 | 2.41 | 2.41 | -0.41% | 607,381 |
| Jul 2, 2026 | 2.35 | 2.46 | 2.35 | 2.42 | 2.42 | 1.26% | 290,681 |
| Jul 1, 2026 | 2.44 | 2.49 | 2.38 | 2.39 | 2.39 | -2.85% | 432,006 |
| Jun 30, 2026 | 2.57 | 2.61 | 2.45 | 2.46 | 2.46 | -4.28% | 588,283 |
| Jun 29, 2026 | 2.52 | 2.61 | 2.47 | 2.57 | 2.57 | 1.98% | 437,132 |
| Jun 26, 2026 | 2.49 | 2.57 | 2.38 | 2.52 | 2.52 | 0.40% | 2,069,896 |
| Jun 25, 2026 | 2.30 | 2.61 | 2.23 | 2.51 | 2.51 | 10.09% | 663,110 |
| Jun 24, 2026 | 2.34 | 2.47 | 2.27 | 2.28 | 2.28 | -2.15% | 628,271 |
| Jun 23, 2026 | 2.22 | 2.37 | 2.22 | 2.33 | 2.33 | 0.43% | 355,485 |
| Jun 22, 2026 | 2.34 | 2.48 | 2.26 | 2.32 | 2.32 | -0.85% | 552,050 |
| Jun 18, 2026 | 2.07 | 2.34 | 2.05 | 2.34 | 2.34 | 15.27% | 1,046,790 |