Chemomab Therapeutics Stock Price History
NASDAQ: CMMBHealth CareBiotechnology: Pharmaceutical PreparationsUSD
1.38-0.01 (-0.72%)
At close: Oct 9, 4:00 PM ET · Delayed 15 min
CMMB price history at a glance
The price history for Chemomab Therapeutics (CMMB) on this page begins on February 11, 2019, when the stock closed at $595.20; it most recently closed at $1.38 on October 5, 2026. The highest price in this record is $736.00, reached on February 11, 2019; the latest close is 99.8% below that peak. Across the 6 complete calendar years in the table, CMMB finished higher in 2 and lower in 4. Its best year was 2024 (+317.6%) and its worst was 2023 (-84.1%).
Over roughly 8 years the share price changed -99.8%, a -54.8% compound annual price return (excluding dividends). In the last 12 months alone, CMMB has lost 59.1%. 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 2019
- $736.00
- Date of high
- Feb 11, 2019
- Low since 2019
- $1.05
- Date of low
- Sep 28, 2026
- 52-week high
- $3.50
- 52-week low
- $1.05
- IPO year
- 2019
- Last close
- $1.38
CMMB returns
1 week
-3.50%
1 month
-48.70%
3 months
-20.69%
6 months
-17.37%
Year to date
-16.36%
1 year
-59.05%
3 years
-61.19%
5 years
-96.20%
CMMB price return, excluding dividends.
CMMB annual returns
| Year | Year-end close | Return |
|---|---|---|
| 2026 | 1.38 | -22.91% |
| 2025 | 1.79 | -78.99% |
| 2024 | 8.52 | +317.65% |
| 2023 | 2.04 | -84.06% |
| 2022 | 12.80 | -53.62% |
| 2021 | 27.60 | -75.07% |
| 2020 | 110.72 | +22.70% |
| 2019* | 90.24 | -84.84% |
* Partial year: the record begins after the start of 2019; return measured from the first available close.
2026 return is year to date.
CMMB daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 1.38 | 1.47 | 1.37 | 1.38 | -0.72% | |
| 1.40 | 1.44 | 1.36 | 1.39 | +1.46% | |
| 1.39 | 1.40 | 1.36 | 1.37 | -2.14% | |
| 1.57 | 1.57 | 1.38 | 1.40 | -0.71% | |
| 1.43 | 1.49 | 1.39 | 1.41 | -1.40% | |
| 1.30 | 1.44 | 1.30 | 1.43 | +10.00% | |
| 1.25 | 1.40 | 1.25 | 1.30 | +9.24% | |
| 1.62 | 1.67 | 1.05 | 1.19 | -26.09% | |
| 1.59 | 1.77 | 1.50 | 1.61 | -1.83% | |
| 2.20 | 2.22 | 1.61 | 1.64 | -24.07% | |
| 2.20 | 2.26 | 2.10 | 2.16 | -1.82% | |
| 2.25 | 2.28 | 2.16 | 2.20 | -3.51% | |
| 2.41 | 2.41 | 2.16 | 2.28 | -4.20% | |
| 2.46 | 2.63 | 2.36 | 2.38 | -4.03% | |
| 2.65 | 2.70 | 2.46 | 2.48 | -4.98% | |
| 2.73 | 2.88 | 2.57 | 2.61 | -6.79% | |
| 2.74 | 2.80 | 2.56 | 2.80 | +5.66% | |
| 2.55 | 2.74 | 2.51 | 2.65 | +7.29% | |
| 2.46 | 2.56 | 2.41 | 2.47 | +0.82% | |
| 2.58 | 2.58 | 2.38 | 2.45 | -5.04% | |
| 2.66 | 2.76 | 2.56 | 2.58 | -0.77% | |
| 2.67 | 2.70 | 2.59 | 2.60 | -3.35% | |
| 2.75 | 2.80 | 2.59 | 2.69 | -2.18% | |
| 2.67 | 2.88 | 2.66 | 2.75 | +1.48% | |
| 2.90 | 2.94 | 2.71 | 2.71 | -4.24% | |
| 2.82 | 2.94 | 2.71 | 2.83 | +3.66% | |
| 2.73 | 2.84 | 2.71 | 2.73 | 0.00% | |
| 2.71 | 2.89 | 2.70 | 2.73 | +0.37% | |
| 2.70 | 2.80 | 2.64 | 2.72 | +0.37% | |
| 2.73 | 2.88 | 2.61 | 2.71 | -0.37% | |
| 2.57 | 2.99 | 2.57 | 2.72 | +5.02% | |
| 2.36 | 2.65 | 2.32 | 2.59 | +12.61% | |
| 2.12 | 2.37 | 2.12 | 2.30 | +5.99% | |
| 2.16 | 2.27 | 2.08 | 2.17 | +0.46% | |
| 2.06 | 2.20 | 2.04 | 2.16 | +4.35% | |
| 2.06 | 2.10 | 1.95 | 2.07 | -0.96% | |
| 1.96 | 2.11 | 1.88 | 2.09 | +9.42% | |
| 1.92 | 1.92 | 1.87 | 1.91 | -0.52% | |
| 2.00 | 2.00 | 1.90 | 1.92 | +0.52% | |
| 1.92 | 1.92 | 1.84 | 1.91 | +0.53% | |
| 1.94 | 1.94 | 1.89 | 1.90 | -1.04% | |
| 1.92 | 2.04 | 1.87 | 1.92 | +1.05% | |
| 1.91 | 1.92 | 1.86 | 1.90 | +0.53% | |
| 1.95 | 1.98 | 1.81 | 1.89 | -2.07% | |
| 1.88 | 2.04 | 1.83 | 1.93 | +7.22% | |
| 1.77 | 1.86 | 1.76 | 1.80 | +2.86% | |
| 1.69 | 1.80 | 1.68 | 1.75 | +4.17% | |
| 1.67 | 1.68 | 1.60 | 1.68 | +3.70% | |
| 1.60 | 1.63 | 1.53 | 1.62 | +4.52% | |
| 1.56 | 1.58 | 1.48 | 1.55 | +1.31% | |
| 1.53 | 1.60 | 1.47 | 1.53 | +4.79% | |
| 1.42 | 1.61 | 1.41 | 1.46 | +2.10% | |
| 1.41 | 1.45 | 1.40 | 1.43 | +0.70% | |
| 1.40 | 1.44 | 1.40 | 1.42 | +4.41% | |
| 1.44 | 1.44 | 1.36 | 1.36 | -2.86% | |
| 1.43 | 1.49 | 1.38 | 1.40 | -2.10% | |
| 1.47 | 1.48 | 1.39 | 1.43 | -2.72% | |
| 1.50 | 1.50 | 1.45 | 1.47 | -2.00% | |
| 1.54 | 1.55 | 1.46 | 1.50 | -3.85% | |
| 1.50 | 1.58 | 1.50 | 1.56 | +2.63% | |
| 1.52 | 1.59 | 1.49 | 1.52 | 0.00% | |
| 1.60 | 1.64 | 1.50 | 1.52 | -0.65% | |
| 1.72 | 1.72 | 1.50 | 1.53 | -7.27% | |
| 1.71 | 1.80 | 1.57 | 1.65 | -5.17% | |
| 1.83 | 1.84 | 1.67 | 1.74 | -4.92% | |
| 1.98 | 2.05 | 1.75 | 1.83 | -7.11% | |
| 2.31 | 2.42 | 1.76 | 1.97 | -28.88% | |
| 2.40 | 2.83 | 2.26 | 2.77 | +15.42% | |
| 2.25 | 2.46 | 2.14 | 2.40 | +5.73% | |
| 1.75 | 2.42 | 1.75 | 2.27 | +33.53% | |
| 1.63 | 1.75 | 1.61 | 1.70 | +4.94% | |
| 1.71 | 1.71 | 1.62 | 1.62 | 0.00% | |
| 1.57 | 1.65 | 1.57 | 1.62 | +1.89% | |
| 1.53 | 1.62 | 1.53 | 1.59 | +1.92% | |
| 1.51 | 1.59 | 1.51 | 1.56 | +0.65% | |
| 1.52 | 1.55 | 1.51 | 1.55 | +3.33% | |
| 1.56 | 1.60 | 1.50 | 1.50 | -0.66% | |
| 1.56 | 1.62 | 1.48 | 1.51 | -0.66% | |
| 1.50 | 1.63 | 1.50 | 1.52 | +1.00% | |
| 1.62 | 1.73 | 1.49 | 1.51 | -8.23% | |
| 1.62 | 1.75 | 1.61 | 1.64 | +3.80% | |
| 1.69 | 1.74 | 1.52 | 1.58 | -4.24% | |
| 1.73 | 1.85 | 1.65 | 1.65 | -7.30% | |
| 1.72 | 1.83 | 1.72 | 1.78 | +1.71% | |
| 1.79 | 1.85 | 1.69 | 1.75 | +1.16% | |
| 1.82 | 1.85 | 1.71 | 1.73 | -4.42% | |
| 1.78 | 1.89 | 1.76 | 1.81 | +2.26% | |
| 1.81 | 1.89 | 1.70 | 1.77 | -1.67% | |
| 1.74 | 1.84 | 1.71 | 1.80 | +4.65% | |
| 1.80 | 1.80 | 1.68 | 1.72 | -1.15% | |
| 1.95 | 1.95 | 1.74 | 1.74 | -6.45% | |
| 2.08 | 2.08 | 1.86 | 1.86 | -7.00% | |
| 2.06 | 2.09 | 1.96 | 2.00 | -3.38% | |
| 1.93 | 2.08 | 1.91 | 2.07 | +8.95% | |
| 2.00 | 2.02 | 1.90 | 1.90 | -6.40% | |
| 2.14 | 2.15 | 1.94 | 2.03 | +0.50% | |
| 1.83 | 2.09 | 1.83 | 2.02 | +10.99% | |
| 1.68 | 1.87 | 1.67 | 1.82 | +9.64% | |
| 1.56 | 1.69 | 1.55 | 1.66 | +7.10% | |
| 1.62 | 1.68 | 1.54 | 1.55 | -4.32% | |
| 1.67 | 1.71 | 1.61 | 1.62 | -2.41% | |
| 1.72 | 1.73 | 1.64 | 1.66 | -2.35% | |
| 1.71 | 1.80 | 1.64 | 1.70 | -2.30% | |
| 1.85 | 1.86 | 1.74 | 1.74 | -1.69% | |
| 1.84 | 1.89 | 1.77 | 1.77 | -3.28% | |
| 1.77 | 1.95 | 1.77 | 1.83 | +3.39% | |
| 1.81 | 1.81 | 1.71 | 1.77 | +1.72% | |
| 1.84 | 1.84 | 1.72 | 1.74 | -2.79% | |
| 1.63 | 1.84 | 1.63 | 1.79 | +9.82% | |
| 1.63 | 1.70 | 1.60 | 1.63 | +0.62% | |
| 1.62 | 1.67 | 1.61 | 1.62 | +0.75% | |
| 1.48 | 1.62 | 1.48 | 1.61 | +9.39% | |
| 1.59 | 1.60 | 1.46 | 1.47 | +0.68% | |
| 1.55 | 1.56 | 1.45 | 1.46 | -1.02% | |
| 1.50 | 1.53 | 1.45 | 1.48 | -4.22% | |
| 1.57 | 1.60 | 1.45 | 1.54 | -4.35% | |
| 1.73 | 1.73 | 1.50 | 1.61 | -0.62% | |
| 1.73 | 1.73 | 1.62 | 1.62 | -4.14% | |
| 1.65 | 1.72 | 1.65 | 1.69 | +1.87% | |
| 1.71 | 1.73 | 1.65 | 1.66 | -1.83% | |
| 1.67 | 1.71 | 1.65 | 1.69 | +1.20% | |
| 1.73 | 1.73 | 1.66 | 1.67 | 0.00% | |
| 1.72 | 1.72 | 1.62 | 1.67 | -0.60% | |
| 1.69 | 1.75 | 1.65 | 1.68 | -0.59% | |
| 1.77 | 1.77 | 1.69 | 1.69 | -0.59% | |
| 1.65 | 1.73 | 1.65 | 1.70 | +1.80% | |
| 1.67 | 1.75 | 1.61 | 1.67 | 0.00% | |
| 1.71 | 1.84 | 1.62 | 1.67 | -2.34% | |
| 1.77 | 1.77 | 1.66 | 1.71 | +1.79% | |
| 1.66 | 1.70 | 1.61 | 1.68 | +1.20% | |
| 1.64 | 1.69 | 1.60 | 1.66 | +6.41% | |
| 1.56 | 1.60 | 1.54 | 1.56 | -1.89% | |
| 1.68 | 1.87 | 1.47 | 1.59 | +1.27% | |
| 1.49 | 1.65 | 1.47 | 1.57 | +6.08% | |
| 1.50 | 1.53 | 1.48 | 1.48 | +1.37% | |
| 1.53 | 1.61 | 1.45 | 1.46 | -5.81% | |
| 1.62 | 1.62 | 1.54 | 1.55 | -2.52% | |
| 1.68 | 1.73 | 1.57 | 1.59 | +1.27% | |
| 1.67 | 1.73 | 1.56 | 1.57 | -6.55% | |
| 1.79 | 1.79 | 1.57 | 1.68 | -5.62% | |
| 1.90 | 1.93 | 1.66 | 1.78 | -7.77% | |
| 2.00 | 2.07 | 1.84 | 1.93 | -3.50% | |
| 2.04 | 2.05 | 1.94 | 2.00 | -2.91% | |
| 2.19 | 2.24 | 2.01 | 2.06 | -3.74% | |
| 1.94 | 2.14 | 1.90 | 2.14 | +16.94% | |
| 1.92 | 1.92 | 1.80 | 1.83 | -1.61% | |
| 1.95 | 2.06 | 1.82 | 1.86 | -4.62% | |
| 2.00 | 2.05 | 1.91 | 1.95 | -1.52% | |
| 2.01 | 2.15 | 1.94 | 1.98 | -1.00% | |
| 1.81 | 2.02 | 1.81 | 2.00 | +6.38% | |
| 1.91 | 1.91 | 1.77 | 1.88 | +2.73% | |
| 1.99 | 1.99 | 1.75 | 1.83 | -4.19% | |
| 1.95 | 1.95 | 1.79 | 1.91 | +6.53% | |
| 1.92 | 1.93 | 1.77 | 1.79 | -8.52% | |
| 1.80 | 2.00 | 1.78 | 1.96 | +5.38% | |
| 1.50 | 1.92 | 1.50 | 1.86 | +20.00% | |
| 1.47 | 1.56 | 1.36 | 1.55 | +7.64% | |
| 1.52 | 1.55 | 1.35 | 1.44 | -7.10% | |
| 1.54 | 1.60 | 1.49 | 1.55 | +3.33% | |
| 1.58 | 1.58 | 1.46 | 1.50 | -4.46% | |
| 1.61 | 1.61 | 1.50 | 1.57 | -4.27% | |
| 1.48 | 1.64 | 1.48 | 1.64 | +8.61% | |
| 1.50 | 1.51 | 1.40 | 1.51 | 0.00% | |
| 1.55 | 1.55 | 1.45 | 1.51 | 0.00% | |
| 1.53 | 1.56 | 1.46 | 1.51 | +2.03% | |
| 1.58 | 1.61 | 1.44 | 1.48 | -6.33% | |
| 1.62 | 1.62 | 1.54 | 1.58 | +1.28% | |
| 1.66 | 1.66 | 1.55 | 1.56 | -3.70% | |
| 1.57 | 1.65 | 1.50 | 1.62 | +5.88% | |
| 1.50 | 1.55 | 1.50 | 1.53 | +5.52% | |
| 1.59 | 1.64 | 1.42 | 1.45 | -11.04% | |
| 1.68 | 1.68 | 1.55 | 1.63 | +0.62% | |
| 1.70 | 1.74 | 1.59 | 1.62 | -2.99% | |
| 1.58 | 1.73 | 1.55 | 1.67 | +7.74% | |
| 1.62 | 1.64 | 1.55 | 1.55 | -1.27% | |
| 1.62 | 1.69 | 1.53 | 1.57 | -3.09% | |
| 1.70 | 1.74 | 1.60 | 1.62 | -6.90% | |
| 1.80 | 1.82 | 1.70 | 1.74 | -1.14% | |
| 1.80 | 1.83 | 1.70 | 1.76 | +4.76% | |
| 1.72 | 1.80 | 1.66 | 1.68 | -1.75% | |
| 1.71 | 1.85 | 1.68 | 1.71 | -0.58% | |
| 1.66 | 1.74 | 1.60 | 1.72 | +8.86% | |
| 1.66 | 1.74 | 1.54 | 1.58 | -4.82% | |
| 1.70 | 1.78 | 1.66 | 1.66 | -2.35% | |
| 1.85 | 1.85 | 1.67 | 1.70 | -3.95% | |
| 1.80 | 1.85 | 1.73 | 1.77 | -1.12% | |
| 1.85 | 1.85 | 1.75 | 1.79 | -2.19% | |
| 1.80 | 1.86 | 1.70 | 1.83 | +2.23% | |
| 1.82 | 1.87 | 1.77 | 1.79 | -0.56% | |
| 1.91 | 1.93 | 1.79 | 1.80 | -5.26% | |
| 1.83 | 1.92 | 1.83 | 1.90 | +4.97% | |
| 1.85 | 1.94 | 1.75 | 1.81 | -3.21% | |
| 1.82 | 1.96 | 1.79 | 1.87 | +4.47% | |
| 1.66 | 1.85 | 1.66 | 1.79 | +8.48% | |
| 1.64 | 1.73 | 1.60 | 1.65 | +0.61% | |
| 1.70 | 1.83 | 1.60 | 1.64 | -2.96% | |
| 1.80 | 1.82 | 1.66 | 1.69 | -6.11% | |
| 1.94 | 1.98 | 1.71 | 1.80 | -4.26% | |
| 2.05 | 2.05 | 1.79 | 1.88 | -1.05% | |
| 1.94 | 2.24 | 1.83 | 1.90 | -2.06% | |
| 1.90 | 2.10 | 1.89 | 1.94 | +2.65% | |
| 2.01 | 2.15 | 1.73 | 1.89 | -1.56% | |
| 2.10 | 2.21 | 1.91 | 1.92 | -7.69% | |
| 2.08 | 2.15 | 1.96 | 2.08 | +0.97% | |
| 2.12 | 2.17 | 2.02 | 2.06 | 0.00% | |
| 2.27 | 2.34 | 2.01 | 2.06 | -7.21% | |
| 2.41 | 2.45 | 2.21 | 2.22 | -5.93% | |
| 2.45 | 2.50 | 2.36 | 2.36 | -4.45% | |
| 2.60 | 2.71 | 2.36 | 2.47 | -5.00% | |
| 2.73 | 2.74 | 2.49 | 2.60 | -5.11% | |
| 2.47 | 2.77 | 2.44 | 2.74 | +10.48% | |
| 2.55 | 2.62 | 2.45 | 2.48 | +0.40% | |
| 2.54 | 2.64 | 2.42 | 2.47 | -0.80% | |
| 2.53 | 2.68 | 2.48 | 2.49 | -1.58% | |
| 2.65 | 2.67 | 2.50 | 2.53 | -3.44% | |
| 2.61 | 2.65 | 2.58 | 2.62 | 0.00% | |
| 2.56 | 2.62 | 2.54 | 2.62 | +3.56% | |
| 2.41 | 2.61 | 2.41 | 2.53 | +4.55% | |
| 2.40 | 2.53 | 2.39 | 2.42 | +0.41% | |
| 2.48 | 2.50 | 2.36 | 2.41 | -4.74% | |
| 2.49 | 2.54 | 2.40 | 2.53 | +4.12% | |
| 2.75 | 2.78 | 2.42 | 2.43 | -10.00% | |
| 2.81 | 2.81 | 2.63 | 2.70 | -1.10% | |
| 2.56 | 2.85 | 2.56 | 2.73 | +5.00% | |
| 2.77 | 2.77 | 2.51 | 2.60 | -2.26% | |
| 2.52 | 2.79 | 2.50 | 2.66 | +4.31% | |
| 2.72 | 2.74 | 2.48 | 2.55 | -4.85% | |
| 2.75 | 2.82 | 2.61 | 2.68 | +0.37% | |
| 2.70 | 2.77 | 2.67 | 2.67 | -1.11% | |
| 2.67 | 2.80 | 2.66 | 2.70 | +2.27% | |
| 2.56 | 2.66 | 2.51 | 2.64 | +2.33% | |
| 2.69 | 2.76 | 2.58 | 2.58 | -3.37% | |
| 2.61 | 2.80 | 2.60 | 2.67 | 0.00% | |
| 2.75 | 2.79 | 2.64 | 2.67 | -4.64% | |
| 3.07 | 3.07 | 2.78 | 2.80 | -8.50% | |
| 3.06 | 3.10 | 3.01 | 3.06 | +2.68% | |
| 3.09 | 3.23 | 2.95 | 2.98 | -3.56% | |
| 3.13 | 3.29 | 3.05 | 3.09 | -1.28% | |
| 3.02 | 3.19 | 3.00 | 3.13 | +2.62% | |
| 3.28 | 3.44 | 3.01 | 3.05 | -6.15% | |
| 3.00 | 3.25 | 2.97 | 3.25 | +11.68% | |
| 3.17 | 3.27 | 2.72 | 2.91 | -5.83% | |
| 3.37 | 3.45 | 3.02 | 3.09 | -8.85% | |
| 3.44 | 3.45 | 3.26 | 3.39 | -0.29% | |
| 3.38 | 3.45 | 3.27 | 3.40 | +2.41% | |
| 3.22 | 3.37 | 3.11 | 3.32 | +1.22% | |
| 3.49 | 3.49 | 3.20 | 3.28 | -2.96% | |
| 3.49 | 3.50 | 3.23 | 3.38 | -2.03% | |
| 3.35 | 3.47 | 3.28 | 3.45 | +2.68% | |
| 3.18 | 3.45 | 3.17 | 3.36 | +2.44% | |
| 3.40 | 3.49 | 3.03 | 3.28 | -2.67% | |
| 3.49 | 3.55 | 3.30 | 3.37 | — |
Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the CMMB chart for longer ranges.