Omeros Corporation (OMER)
NASDAQ: OMER · Real-Time Price · USD
4.390
-0.050 (-1.13%)
At close: Oct 8, 2025, 4:00 PM EDT
4.450
+0.060 (1.37%)
After-hours: Oct 8, 2025, 7:11 PM EDT
Omeros Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 8, 2025 | 4.45 | 4.53 | 4.36 | 4.39 | 4.39 | -1.13% | 527,798 |
| Oct 7, 2025 | 4.61 | 4.69 | 4.41 | 4.44 | 4.44 | -3.69% | 669,084 |
| Oct 6, 2025 | 4.62 | 4.72 | 4.46 | 4.61 | 4.61 | 0.66% | 1,477,551 |
| Oct 3, 2025 | 4.29 | 4.59 | 4.26 | 4.58 | 4.58 | 8.53% | 1,231,641 |
| Oct 2, 2025 | 4.14 | 4.24 | 4.08 | 4.22 | 4.22 | 1.93% | 785,548 |
| Oct 1, 2025 | 4.10 | 4.18 | 4.07 | 4.14 | 4.14 | 0.98% | 858,085 |
| Sep 30, 2025 | 4.16 | 4.18 | 4.09 | 4.10 | 4.10 | -1.91% | 714,322 |
| Sep 29, 2025 | 4.52 | 4.52 | 4.14 | 4.18 | 4.18 | -6.28% | 841,937 |
| Sep 26, 2025 | 4.39 | 4.52 | 4.25 | 4.46 | 4.46 | 1.83% | 1,011,933 |
| Sep 25, 2025 | 4.20 | 4.41 | 4.13 | 4.38 | 4.38 | 4.29% | 1,186,351 |
| Sep 24, 2025 | 4.33 | 4.36 | 4.18 | 4.20 | 4.20 | -1.87% | 982,810 |
| Sep 23, 2025 | 4.30 | 4.54 | 4.27 | 4.28 | 4.28 | -0.47% | 1,413,050 |
| Sep 22, 2025 | 4.22 | 4.32 | 4.12 | 4.30 | 4.30 | 2.87% | 679,039 |
| Sep 19, 2025 | 4.29 | 4.31 | 4.17 | 4.18 | 4.18 | -1.88% | 1,993,504 |
| Sep 18, 2025 | 4.11 | 4.29 | 4.05 | 4.26 | 4.26 | 4.93% | 746,878 |
| Sep 17, 2025 | 4.07 | 4.23 | 3.94 | 4.06 | 4.06 | 0.74% | 1,062,447 |
| Sep 16, 2025 | 4.09 | 4.18 | 4.02 | 4.03 | 4.03 | -1.47% | 703,020 |
| Sep 15, 2025 | 4.20 | 4.20 | 4.06 | 4.09 | 4.09 | -1.45% | 619,495 |
| Sep 12, 2025 | 4.19 | 4.19 | 4.12 | 4.15 | 4.15 | -1.19% | 562,998 |
| Sep 11, 2025 | 4.30 | 4.33 | 4.20 | 4.20 | 4.20 | -1.64% | 710,767 |
| Sep 10, 2025 | 4.22 | 4.34 | 4.18 | 4.27 | 4.27 | 0.23% | 902,087 |
| Sep 9, 2025 | 4.22 | 4.27 | 4.16 | 4.26 | 4.26 | 1.19% | 549,589 |
| Sep 8, 2025 | 4.20 | 4.29 | 4.15 | 4.21 | 4.21 | 0.96% | 597,846 |
| Sep 5, 2025 | 4.23 | 4.28 | 4.12 | 4.17 | 4.17 | -0.24% | 553,942 |
| Sep 4, 2025 | 4.16 | 4.25 | 4.07 | 4.18 | 4.18 | - | 643,920 |
| Sep 3, 2025 | 4.24 | 4.32 | 4.08 | 4.18 | 4.18 | -2.56% | 764,186 |
| Sep 2, 2025 | 4.14 | 4.44 | 4.14 | 4.29 | 4.29 | 3.12% | 781,760 |
| Aug 29, 2025 | 4.20 | 4.24 | 4.10 | 4.16 | 4.16 | -1.65% | 503,310 |
| Aug 28, 2025 | 4.30 | 4.33 | 4.19 | 4.23 | 4.23 | -0.47% | 447,742 |
| Aug 27, 2025 | 4.38 | 4.40 | 4.20 | 4.25 | 4.25 | -2.97% | 428,884 |
| Aug 26, 2025 | 4.36 | 4.46 | 4.26 | 4.38 | 4.38 | 0.69% | 892,795 |
| Aug 25, 2025 | 4.58 | 4.58 | 4.28 | 4.35 | 4.35 | -1.14% | 854,637 |
| Aug 22, 2025 | 4.43 | 4.54 | 4.36 | 4.40 | 4.40 | -1.79% | 931,367 |
| Aug 21, 2025 | 4.16 | 4.49 | 4.06 | 4.48 | 4.48 | 6.92% | 1,404,131 |
| Aug 20, 2025 | 4.30 | 4.30 | 4.12 | 4.19 | 4.19 | -3.90% | 1,152,336 |
| Aug 19, 2025 | 4.21 | 4.52 | 4.04 | 4.36 | 4.36 | 3.20% | 2,136,627 |
| Aug 18, 2025 | 4.49 | 4.55 | 4.22 | 4.23 | 4.23 | -4.20% | 1,328,795 |
| Aug 15, 2025 | 4.23 | 4.54 | 4.15 | 4.41 | 4.41 | 7.04% | 2,678,936 |
| Aug 14, 2025 | 4.20 | 4.27 | 4.05 | 4.12 | 4.12 | -3.51% | 835,835 |
| Aug 13, 2025 | 4.24 | 4.30 | 4.13 | 4.27 | 4.27 | 2.15% | 1,019,408 |
| Aug 12, 2025 | 4.19 | 4.23 | 4.02 | 4.18 | 4.18 | 0.97% | 657,375 |
| Aug 11, 2025 | 4.03 | 4.19 | 3.89 | 4.14 | 4.14 | 1.97% | 846,170 |
| Aug 8, 2025 | 3.85 | 4.06 | 3.78 | 4.06 | 4.06 | 7.41% | 1,058,699 |
| Aug 7, 2025 | 3.86 | 3.91 | 3.70 | 3.78 | 3.78 | -2.07% | 498,911 |
| Aug 6, 2025 | 4.02 | 4.05 | 3.80 | 3.86 | 3.86 | -3.98% | 905,314 |
| Aug 5, 2025 | 3.74 | 4.04 | 3.61 | 4.02 | 4.02 | 8.50% | 1,321,449 |
| Aug 4, 2025 | 3.61 | 3.74 | 3.44 | 3.71 | 3.71 | 2.63% | 1,397,889 |
| Aug 1, 2025 | 3.83 | 3.83 | 3.52 | 3.61 | 3.61 | -6.72% | 1,863,023 |
| Jul 31, 2025 | 3.83 | 4.08 | 3.80 | 3.87 | 3.87 | 0.52% | 1,233,703 |
| Jul 30, 2025 | 3.98 | 4.11 | 3.81 | 3.85 | 3.85 | -3.02% | 1,404,592 |