Impact BioMedical Stock Price History
NYSE: IBOHealth CareBiotechnology: Pharmaceutical PreparationsUSD
4.25+0.14 (+3.41%)
At close: Oct 9, 3:58 PM ET · Delayed 15 min
IBO price history at a glance
The price history for Impact BioMedical (IBO) on this page begins on September 16, 2024, when the stock closed at $29.49; it most recently closed at $4.25 on October 5, 2026. The highest price in this record is $78.10, reached on March 17, 2025; the latest close is 94.6% below that peak. Over roughly 2 years the share price changed -85.6%, a -61.1% compound annual price return (excluding dividends).
In the last 12 months alone, IBO has lost 46.3%. Prices are split-adjusted closing prices; daily open, high, low, close and volume for the past year are listed below.
Summary generated from market data by MetaCap's automated system. Methodology
Key price levels
- High since 2024
- $78.10
- Date of high
- Mar 17, 2025
- Low since 2024
- $4.10
- Date of low
- Oct 5, 2026
- 52-week high
- $10.51
- 52-week low
- $4.06
- IPO year
- 2024
- Last close
- $4.25
IBO returns
1 week
-20.11%
1 month
-32.03%
3 months
-24.04%
6 months
-51.20%
Year to date
-33.51%
1 year
-46.28%
IBO price return, excluding dividends.
IBO annual returns
| Year | Year-end close | Return |
|---|---|---|
| 2026 | 4.25 | -35.31% |
| 2025 | 6.57 | -70.00% |
| 2024* | 21.90 | -25.75% |
* Partial year: the record begins after the start of 2024; return measured from the first available close.
2026 return is year to date.
IBO daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 4.13 | 4.28 | 4.13 | 4.25 | +3.41% | |
| 4.32 | 4.41 | 4.10 | 4.11 | -8.26% | |
| 4.57 | 4.59 | 4.36 | 4.48 | -4.27% | |
| 5.00 | 5.05 | 4.43 | 4.68 | -3.31% | |
| 5.16 | 5.42 | 4.84 | 4.84 | -9.02% | |
| 5.54 | 5.54 | 5.27 | 5.32 | -2.03% | |
| 5.88 | 5.88 | 5.43 | 5.43 | -3.04% | |
| 5.48 | 5.75 | 5.48 | 5.60 | 0.00% | |
| 5.50 | 6.17 | 5.43 | 5.60 | -0.18% | |
| 5.69 | 6.02 | 5.59 | 5.61 | -1.41% | |
| 5.80 | 6.50 | 5.58 | 5.69 | +0.71% | |
| 6.86 | 6.86 | 5.51 | 5.65 | -14.78% | |
| 6.46 | 7.11 | 5.62 | 6.63 | -0.80% | |
| 7.03 | 7.03 | 6.68 | 6.68 | -5.04% | |
| 7.47 | 7.56 | 6.96 | 7.04 | -5.76% | |
| 7.23 | 7.47 | 6.96 | 7.47 | +3.33% | |
| 6.61 | 7.72 | 6.61 | 7.23 | +14.66% | |
| 6.84 | 6.92 | 6.30 | 6.30 | -5.86% | |
| 6.08 | 6.95 | 6.06 | 6.70 | +9.30% | |
| 5.72 | 6.56 | 5.72 | 6.13 | +5.22% | |
| 5.66 | 6.20 | 5.66 | 5.82 | +4.31% | |
| 6.01 | 6.43 | 5.49 | 5.58 | -10.73% | |
| 6.44 | 6.46 | 6.10 | 6.25 | -1.20% | |
| 6.46 | 6.76 | 6.33 | 6.33 | -7.41% | |
| 6.08 | 8.10 | 5.95 | 6.84 | +12.50% | |
| 6.08 | 6.19 | 5.95 | 6.08 | -2.04% | |
| 5.97 | 6.20 | 5.82 | 6.20 | +6.99% | |
| 6.11 | 6.20 | 5.77 | 5.80 | -0.65% | |
| 5.58 | 5.96 | 5.58 | 5.84 | +3.83% | |
| 5.62 | 5.82 | 5.59 | 5.62 | +0.68% | |
| 5.57 | 5.84 | 5.57 | 5.58 | +0.23% | |
| 5.66 | 6.18 | 5.57 | 5.57 | -4.35% | |
| 6.00 | 6.19 | 5.57 | 5.82 | +1.55% | |
| 5.75 | 6.05 | 5.71 | 5.73 | -5.62% | |
| 5.54 | 6.08 | 5.54 | 6.08 | +6.90% | |
| 5.44 | 5.81 | 5.44 | 5.68 | +3.69% | |
| 5.77 | 5.86 | 5.48 | 5.48 | -7.87% | |
| 5.82 | 6.04 | 5.81 | 5.95 | -1.47% | |
| 5.57 | 6.06 | 5.57 | 6.04 | +3.92% | |
| 5.32 | 6.13 | 5.25 | 5.81 | +4.32% | |
| 5.67 | 5.67 | 5.44 | 5.57 | -1.57% | |
| 5.44 | 5.66 | 5.44 | 5.66 | +3.95% | |
| 5.49 | 5.67 | 5.44 | 5.44 | -1.38% | |
| 5.51 | 5.57 | 5.20 | 5.52 | +0.23% | |
| 5.70 | 5.70 | 5.48 | 5.51 | -3.55% | |
| 5.44 | 5.90 | 5.44 | 5.71 | +4.89% | |
| 5.41 | 5.63 | 5.41 | 5.44 | -2.27% | |
| 5.68 | 5.70 | 5.16 | 5.57 | +0.23% | |
| 5.57 | 5.70 | 5.23 | 5.56 | +2.09% | |
| 5.46 | 5.56 | 5.44 | 5.44 | 0.00% | |
| 5.57 | 5.57 | 5.44 | 5.44 | +0.70% | |
| 5.44 | 5.76 | 5.25 | 5.41 | -0.70% | |
| 5.44 | 5.89 | 5.44 | 5.44 | -0.46% | |
| 5.54 | 5.57 | 5.38 | 5.47 | -1.82% | |
| 5.44 | 5.76 | 5.44 | 5.57 | +2.33% | |
| 5.85 | 5.95 | 5.44 | 5.44 | 0.00% | |
| 5.76 | 5.82 | 5.44 | 5.44 | -2.50% | |
| 5.37 | 5.73 | 5.37 | 5.58 | -0.90% | |
| 5.86 | 6.04 | 5.63 | 5.63 | -2.41% | |
| 5.59 | 5.77 | 5.57 | 5.77 | 0.00% | |
| 5.70 | 5.90 | 5.06 | 5.77 | -0.87% | |
| 6.30 | 6.30 | 5.72 | 5.82 | -4.17% | |
| 6.01 | 6.08 | 5.63 | 6.08 | +3.67% | |
| 5.51 | 6.22 | 5.51 | 5.86 | +4.75% | |
| 5.73 | 5.82 | 5.57 | 5.59 | -2.43% | |
| 5.70 | 5.99 | 5.70 | 5.73 | +0.22% | |
| 5.70 | 5.96 | 5.70 | 5.72 | 0.00% | |
| 5.95 | 6.00 | 5.72 | 5.72 | -5.24% | |
| 5.95 | 6.05 | 5.85 | 6.04 | +1.06% | |
| 6.66 | 6.66 | 5.95 | 5.97 | -2.48% | |
| 6.29 | 6.33 | 5.95 | 6.13 | +5.22% | |
| 6.08 | 6.37 | 5.82 | 5.82 | -8.55% | |
| 6.30 | 6.58 | 6.04 | 6.37 | +6.79% | |
| 6.00 | 6.20 | 5.82 | 5.96 | -1.05% | |
| 6.08 | 6.58 | 5.62 | 6.03 | -4.42% | |
| 6.89 | 6.96 | 6.20 | 6.30 | -7.43% | |
| 6.59 | 6.86 | 6.53 | 6.81 | +1.13% | |
| 6.86 | 6.96 | 6.71 | 6.73 | +5.98% | |
| 6.84 | 7.20 | 6.35 | 6.35 | -13.00% | |
| 6.71 | 7.34 | 6.71 | 7.30 | +5.68% | |
| 7.14 | 7.14 | 6.77 | 6.91 | -1.09% | |
| 7.30 | 7.37 | 6.97 | 6.99 | -5.64% | |
| 7.10 | 7.41 | 6.76 | 7.41 | +4.46% | |
| 7.09 | 7.47 | 6.84 | 7.09 | -1.58% | |
| 7.09 | 7.51 | 7.09 | 7.20 | -1.39% | |
| 6.67 | 7.85 | 6.67 | 7.30 | +3.04% | |
| 6.46 | 7.22 | 6.46 | 7.09 | -1.23% | |
| 6.96 | 7.23 | 6.96 | 7.18 | +0.53% | |
| 6.96 | 7.24 | 6.70 | 7.14 | +4.06% | |
| 6.46 | 7.04 | 6.46 | 6.86 | +4.03% | |
| 6.44 | 6.81 | 6.39 | 6.59 | -5.96% | |
| 6.51 | 7.01 | 6.46 | 7.01 | +6.54% | |
| 6.32 | 6.59 | 6.32 | 6.58 | +1.17% | |
| 6.18 | 6.54 | 6.18 | 6.51 | +4.68% | |
| 6.46 | 6.71 | 5.95 | 6.22 | -4.10% | |
| 6.39 | 6.70 | 6.39 | 6.48 | -5.88% | |
| 6.62 | 7.10 | 6.53 | 6.89 | +2.26% | |
| 6.57 | 6.73 | 6.46 | 6.73 | -1.11% | |
| 6.81 | 7.57 | 6.65 | 6.81 | 0.00% | |
| 6.46 | 6.81 | 6.46 | 6.81 | 0.00% | |
| 6.86 | 7.14 | 6.61 | 6.81 | 0.00% | |
| 7.16 | 7.16 | 6.76 | 6.81 | -2.18% | |
| 7.22 | 7.54 | 6.96 | 6.96 | -5.50% | |
| 7.59 | 7.80 | 7.34 | 7.37 | -6.88% | |
| 7.47 | 7.97 | 7.47 | 7.91 | 0.00% | |
| 7.94 | 8.15 | 7.59 | 7.91 | -0.64% | |
| 7.97 | 8.06 | 7.71 | 7.96 | +0.32% | |
| 7.78 | 8.04 | 7.59 | 7.94 | -1.26% | |
| 8.11 | 8.23 | 7.95 | 8.04 | -1.24% | |
| 7.97 | 8.16 | 7.76 | 8.14 | +1.26% | |
| 7.59 | 8.35 | 7.59 | 8.04 | -3.35% | |
| 8.49 | 8.56 | 8.23 | 8.32 | -3.38% | |
| 8.11 | 8.61 | 8.10 | 8.61 | +3.03% | |
| 8.16 | 8.35 | 8.01 | 8.35 | 0.00% | |
| 8.35 | 8.56 | 8.10 | 8.35 | 0.00% | |
| 8.16 | 8.35 | 7.99 | 8.35 | +1.07% | |
| 8.10 | 8.30 | 7.95 | 8.27 | -0.31% | |
| 8.22 | 8.29 | 8.00 | 8.29 | -0.76% | |
| 8.66 | 8.66 | 8.23 | 8.35 | -5.44% | |
| 8.30 | 8.84 | 8.00 | 8.84 | +2.65% | |
| 8.54 | 8.99 | 7.72 | 8.61 | +5.43% | |
| 7.59 | 8.35 | 7.59 | 8.16 | -2.71% | |
| 8.11 | 8.41 | 8.10 | 8.39 | -1.92% | |
| 8.22 | 8.56 | 7.68 | 8.56 | +2.12% | |
| 8.68 | 8.68 | 8.15 | 8.38 | -5.43% | |
| 8.23 | 8.86 | 8.06 | 8.86 | +1.74% | |
| 8.87 | 8.87 | 8.32 | 8.71 | -3.10% | |
| 8.32 | 9.06 | 8.16 | 8.99 | 0.00% | |
| 7.78 | 8.99 | 7.78 | 8.99 | +6.13% | |
| 7.66 | 8.73 | 7.44 | 8.47 | +4.53% | |
| 7.34 | 8.10 | 7.23 | 8.10 | +8.29% | |
| 7.33 | 7.72 | 7.03 | 7.48 | -3.75% | |
| 7.44 | 7.77 | 7.34 | 7.77 | +2.33% | |
| 6.96 | 7.77 | 6.94 | 7.59 | +2.56% | |
| 7.19 | 7.41 | 6.86 | 7.41 | +1.74% | |
| 7.00 | 7.28 | 6.67 | 7.28 | +1.77% | |
| 7.05 | 7.59 | 6.77 | 7.15 | -3.09% | |
| 7.92 | 7.92 | 7.09 | 7.38 | -5.97% | |
| 7.75 | 8.14 | 7.38 | 7.85 | -4.17% | |
| 7.41 | 8.78 | 7.28 | 8.19 | -17.05% | |
| 5.80 | 9.87 | 5.33 | 9.87 | +68.47% | |
| 5.52 | 6.05 | 5.38 | 5.86 | +1.76% | |
| 5.53 | 5.94 | 5.34 | 5.76 | +3.17% | |
| 5.54 | 5.96 | 5.51 | 5.58 | +0.46% | |
| 6.01 | 6.04 | 5.52 | 5.56 | -3.52% | |
| 6.87 | 6.87 | 5.44 | 5.76 | -18.75% | |
| 6.58 | 7.09 | 6.58 | 7.09 | +1.82% | |
| 7.09 | 7.33 | 6.92 | 6.96 | -9.54% | |
| 7.20 | 7.78 | 7.20 | 7.70 | -4.85% | |
| 7.09 | 8.42 | 7.09 | 8.09 | -4.91% | |
| 7.05 | 8.51 | 6.89 | 8.51 | +4.51% | |
| 10.13 | 10.51 | 7.15 | 8.14 | +55.69% | |
| 5.06 | 5.28 | 5.06 | 5.23 | +0.73% | |
| 5.66 | 5.66 | 5.13 | 5.19 | +2.25% | |
| 5.66 | 5.66 | 5.08 | 5.08 | -7.82% | |
| 5.57 | 5.87 | 5.29 | 5.51 | 0.00% | |
| 5.29 | 5.59 | 5.29 | 5.51 | +1.16% | |
| 5.06 | 5.57 | 5.06 | 5.44 | -2.27% | |
| 5.84 | 5.84 | 5.56 | 5.57 | -0.45% | |
| 5.92 | 5.92 | 5.39 | 5.59 | +0.45% | |
| 4.81 | 6.08 | 4.81 | 5.57 | +6.02% | |
| 5.70 | 5.70 | 5.23 | 5.25 | -5.90% | |
| 5.71 | 5.72 | 5.57 | 5.58 | +0.23% | |
| 5.61 | 5.96 | 4.68 | 5.57 | -1.35% | |
| 5.61 | 5.80 | 5.57 | 5.65 | -0.89% | |
| 5.86 | 6.05 | 5.67 | 5.70 | -6.25% | |
| 6.27 | 6.27 | 5.78 | 6.08 | +5.03% | |
| 5.89 | 5.96 | 5.59 | 5.78 | +1.33% | |
| 6.00 | 6.22 | 5.70 | 5.71 | -4.45% | |
| 5.82 | 6.34 | 5.81 | 5.97 | -2.88% | |
| 5.57 | 6.32 | 5.57 | 6.15 | -0.82% | |
| 6.23 | 6.54 | 6.05 | 6.20 | -2.97% | |
| 6.58 | 6.58 | 6.13 | 6.39 | -2.13% | |
| 6.27 | 6.56 | 5.82 | 6.53 | +5.31% | |
| 5.87 | 6.30 | 5.70 | 6.20 | +2.94% | |
| 5.77 | 6.03 | 5.72 | 6.03 | +3.25% | |
| 5.72 | 5.94 | 5.72 | 5.84 | -0.65% | |
| 5.86 | 5.87 | 5.76 | 5.87 | +0.65% | |
| 5.57 | 6.05 | 5.57 | 5.84 | -2.33% | |
| 5.91 | 6.06 | 5.91 | 5.97 | -1.46% | |
| 6.30 | 6.30 | 5.96 | 6.06 | -4.20% | |
| 5.77 | 6.43 | 5.58 | 6.33 | +8.93% | |
| 5.90 | 5.90 | 5.67 | 5.81 | +1.55% | |
| 5.82 | 6.09 | 5.70 | 5.72 | -4.84% | |
| 5.95 | 6.20 | 5.92 | 6.01 | -1.86% | |
| 6.35 | 6.35 | 5.91 | 6.13 | +0.21% | |
| 5.95 | 6.14 | 5.82 | 6.11 | -0.41% | |
| 5.95 | 6.30 | 5.95 | 6.14 | -3.96% | |
| 6.37 | 6.41 | 6.14 | 6.39 | -0.20% | |
| 6.41 | 6.43 | 6.20 | 6.41 | +0.80% | |
| 6.53 | 6.68 | 6.33 | 6.35 | -5.28% | |
| 6.42 | 6.71 | 6.19 | 6.71 | +1.73% | |
| 6.81 | 6.81 | 6.19 | 6.59 | +0.39% | |
| 6.33 | 6.57 | 5.82 | 6.57 | +2.77% | |
| 6.19 | 6.44 | 5.81 | 6.39 | +3.27% | |
| 5.62 | 6.96 | 5.62 | 6.19 | +6.30% | |
| 6.03 | 6.16 | 5.57 | 5.82 | -7.63% | |
| 6.48 | 6.48 | 5.97 | 6.30 | -2.35% | |
| 6.90 | 6.90 | 6.15 | 6.46 | -9.25% | |
| 6.85 | 7.13 | 6.33 | 7.11 | +0.72% | |
| 8.10 | 8.10 | 6.84 | 7.06 | -14.02% | |
| 5.44 | 8.22 | 5.32 | 8.22 | +46.17% | |
| 5.56 | 5.70 | 5.48 | 5.62 | +0.91% | |
| 5.57 | 5.67 | 5.57 | 5.57 | -0.68% | |
| 5.81 | 5.92 | 5.61 | 5.61 | -3.90% | |
| 6.27 | 6.27 | 5.84 | 5.84 | -5.14% | |
| 5.94 | 6.49 | 5.70 | 6.15 | -0.41% | |
| 6.38 | 6.76 | 6.16 | 6.18 | -2.40% | |
| 6.58 | 6.97 | 6.33 | 6.33 | -6.54% | |
| 6.33 | 7.05 | 6.20 | 6.77 | +6.36% | |
| 5.70 | 8.23 | 5.70 | 6.37 | +9.82% | |
| 5.66 | 5.95 | 5.52 | 5.80 | -2.55% | |
| 5.57 | 5.95 | 5.46 | 5.95 | +7.55% | |
| 5.57 | 5.75 | 5.47 | 5.53 | -0.91% | |
| 5.84 | 5.87 | 5.51 | 5.58 | -4.34% | |
| 5.70 | 6.20 | 5.47 | 5.84 | +3.36% | |
| 5.32 | 5.70 | 5.32 | 5.65 | +3.72% | |
| 5.38 | 5.87 | 5.38 | 5.44 | -1.60% | |
| 5.44 | 5.57 | 5.44 | 5.53 | +1.63% | |
| 5.72 | 5.87 | 5.44 | 5.44 | -5.50% | |
| 5.70 | 5.82 | 5.70 | 5.76 | +1.11% | |
| 5.44 | 5.82 | 5.44 | 5.70 | +2.50% | |
| 5.37 | 5.70 | 5.35 | 5.56 | -0.45% | |
| 5.70 | 6.05 | 5.25 | 5.58 | -1.78% | |
| 6.32 | 6.32 | 5.65 | 5.68 | -6.46% | |
| 6.39 | 6.39 | 6.04 | 6.08 | -5.88% | |
| 6.71 | 6.84 | 6.42 | 6.46 | -2.11% | |
| 6.80 | 7.01 | 6.59 | 6.59 | -5.96% | |
| 7.28 | 7.28 | 6.85 | 7.01 | -1.07% | |
| 6.68 | 7.38 | 6.59 | 7.09 | +1.63% | |
| 6.84 | 6.99 | 6.84 | 6.97 | +3.18% | |
| 6.58 | 7.29 | 6.58 | 6.76 | +0.38% | |
| 6.71 | 6.84 | 6.46 | 6.73 | -0.19% | |
| 6.46 | 6.92 | 6.46 | 6.75 | 0.00% | |
| 6.77 | 7.15 | 6.46 | 6.75 | -0.38% | |
| 7.04 | 7.09 | 6.71 | 6.77 | +1.71% | |
| 7.04 | 7.22 | 6.46 | 6.66 | -7.72% | |
| 7.29 | 7.42 | 7.16 | 7.22 | -1.04% | |
| 7.34 | 7.42 | 7.29 | 7.29 | -1.20% | |
| 7.49 | 7.49 | 7.32 | 7.38 | -0.85% | |
| 7.66 | 7.66 | 7.34 | 7.44 | +0.68% | |
| 7.34 | 7.43 | 7.32 | 7.39 | +0.34% | |
| 7.34 | 7.47 | 7.34 | 7.37 | -0.51% | |
| 7.53 | 7.59 | 7.35 | 7.41 | -0.85% | |
| 7.59 | 7.59 | 7.27 | 7.47 | -1.01% | |
| 7.47 | 7.71 | 7.47 | 7.54 | -1.00% | |
| 7.59 | 7.73 | 7.48 | 7.62 | -0.17% | |
| 7.68 | 7.78 | 7.61 | 7.63 | -1.63% | |
| 7.53 | 7.85 | 7.34 | 7.76 | +0.49% | |
| 7.97 | 7.97 | 7.53 | 7.72 | -0.97% | |
| 7.73 | 7.97 | 7.72 | 7.80 | -1.44% | |
| 7.97 | 8.05 | 7.81 | 7.91 | — |
Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the IBO chart for longer ranges.