Armata Pharmaceuticals Stock Price History
NYSE: ARMPHealth CareBiotechnology: Biological Products (No Diagnostic Substances)USD
3.63-0.23 (-5.96%)
At close: Oct 9, 4:00 PM ET · Delayed 15 min
ARMP price history at a glance
The price history for Armata Pharmaceuticals (ARMP) on this page begins on May 16, 1994, when the stock closed at $479,062.50; it most recently closed at $3.63 on October 5, 2026. The highest price in this record is $1,960,000.00, reached on February 14, 2000; the latest close is 100.0% below that peak. Across the 31 complete calendar years in the table, ARMP finished higher in 11 and lower in 20. Its best year was 2003 (+482.1%) and its worst was 2016 (-88.9%).
Over roughly 32 years the share price changed -100.0%, a -30.5% compound annual price return (excluding dividends). In the last 12 months alone, ARMP has gained 14.5%. 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 1994
- $1,960,000.00
- Date of high
- Feb 14, 2000
- Low since 1994
- $0.83
- Date of low
- Dec 26, 2022
- 52-week high
- $16.34
- 52-week low
- $3.14
- Last close
- $3.63
ARMP returns
1 week
+3.12%
1 month
-32.90%
3 months
-14.79%
6 months
-67.36%
Year to date
-42.20%
1 year
+14.51%
3 years
+76.21%
5 years
+5.22%
ARMP price return, excluding dividends.
ARMP annual returns
| Year | Year-end close | Return |
|---|---|---|
| 2026 | 3.63 | -44.66% |
| 2025 | 6.56 | +232.99% |
| 2024 | 1.97 | -39.20% |
| 2023 | 3.24 | +161.29% |
| 2022 | 1.24 | -77.37% |
| 2021 | 5.48 | +83.89% |
| 2020 | 2.98 | -3.87% |
| 2019 | 3.10 | -17.99% |
| 2018 | 3.78 | -73.27% |
| 2017 | 14.14 | -77.05% |
| 2016 | 61.60 | -88.94% |
| 2015 | 557.20 | -58.11% |
| 2014 | 1,330.00 | -65.45% |
| 2013 | 3,850.00 | +243.75% |
| 2012 | 1,120.00 | +45.45% |
| 2011 | 770.00 | -69.44% |
| 2010 | 2,520.00 | +28.57% |
| 2009 | 1,960.00 | -6.67% |
| 2008 | 2,100.00 | -81.37% |
| 2007 | 11,270.00 | -70.02% |
| 2006 | 37,590.00 | +9.59% |
| 2005 | 34,300.00 | -68.39% |
| 2004 | 108,500.00 | -31.72% |
| 2003 | 158,900.00 | +482.05% |
| 2002 | 27,300.00 | -85.56% |
| 2001 | 189,000.00 | -59.63% |
| 2000 | 468,125.00 | +69.84% |
| 1999 | 275,625.00 | +200.00% |
| 1998 | 91,875.00 | -56.25% |
| 1997 | 210,000.00 | -33.33% |
| 1996 | 315,000.00 | -20.00% |
| 1995 | 393,750.00 | +7.14% |
| 1994* | 367,500.00 | -23.29% |
* Partial year: the record begins after the start of 1994; return measured from the first available close.
2026 return is year to date.
ARMP daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 3.90 | 3.95 | 3.63 | 3.63 | -5.96% | |
| 3.79 | 3.91 | 3.60 | 3.86 | +1.31% | |
| 3.83 | 4.07 | 3.72 | 3.81 | -1.04% | |
| 3.69 | 3.93 | 3.66 | 3.85 | +5.19% | |
| 3.54 | 3.68 | 3.51 | 3.66 | +3.98% | |
| 3.40 | 3.55 | 3.32 | 3.52 | +6.34% | |
| 3.67 | 3.78 | 3.28 | 3.31 | -9.81% | |
| 3.57 | 3.74 | 3.53 | 3.67 | +2.23% | |
| 3.74 | 3.74 | 3.52 | 3.59 | -5.03% | |
| 3.66 | 3.85 | 3.55 | 3.78 | +1.07% | |
| 3.60 | 3.81 | 3.56 | 3.74 | +3.31% | |
| 3.70 | 3.83 | 3.53 | 3.62 | -0.55% | |
| 4.20 | 4.30 | 3.60 | 3.64 | -13.33% | |
| 4.27 | 4.56 | 4.14 | 4.20 | -1.41% | |
| 4.24 | 4.36 | 4.10 | 4.26 | +1.91% | |
| 4.07 | 4.40 | 4.00 | 4.18 | +1.95% | |
| 4.32 | 4.32 | 4.09 | 4.10 | +0.74% | |
| 4.40 | 4.44 | 3.99 | 4.07 | -7.50% | |
| 5.24 | 5.35 | 4.23 | 4.40 | -20.72% | |
| 6.17 | 6.64 | 4.73 | 5.55 | +3.16% | |
| 5.30 | 5.55 | 5.26 | 5.38 | +2.87% | |
| 5.39 | 5.74 | 5.12 | 5.23 | -3.33% | |
| 5.76 | 5.79 | 5.40 | 5.41 | -7.04% | |
| 5.76 | 5.88 | 5.59 | 5.82 | -0.34% | |
| 5.49 | 5.87 | 5.48 | 5.84 | +5.80% | |
| 5.53 | 5.62 | 5.20 | 5.52 | -0.18% | |
| 5.36 | 5.62 | 5.27 | 5.53 | +4.73% | |
| 5.51 | 5.68 | 5.19 | 5.28 | -4.17% | |
| 5.35 | 5.52 | 5.18 | 5.51 | +2.61% | |
| 5.37 | 5.45 | 4.99 | 5.37 | -1.10% | |
| 5.42 | 5.47 | 4.73 | 5.43 | -0.37% | |
| 5.59 | 5.59 | 5.30 | 5.45 | -1.98% | |
| 5.23 | 5.70 | 5.23 | 5.56 | +7.54% | |
| 5.10 | 5.26 | 4.86 | 5.17 | +1.37% | |
| 4.42 | 5.10 | 4.42 | 5.10 | +15.38% | |
| 4.98 | 5.17 | 4.12 | 4.42 | -12.82% | |
| 4.61 | 5.10 | 4.61 | 5.07 | +11.18% | |
| 4.44 | 4.67 | 4.44 | 4.56 | +1.79% | |
| 4.54 | 4.65 | 4.27 | 4.48 | -1.75% | |
| 4.79 | 4.93 | 4.40 | 4.56 | -5.39% | |
| 4.32 | 5.04 | 4.32 | 4.82 | +11.83% | |
| 4.26 | 4.42 | 3.96 | 4.31 | +1.41% | |
| 4.60 | 4.86 | 4.14 | 4.25 | -7.61% | |
| 4.92 | 4.92 | 4.52 | 4.60 | -2.34% | |
| 4.70 | 4.88 | 4.62 | 4.71 | +0.21% | |
| 4.67 | 4.78 | 4.60 | 4.70 | 0.00% | |
| 4.69 | 4.75 | 4.51 | 4.70 | +0.43% | |
| 5.09 | 5.70 | 4.64 | 4.68 | -7.33% | |
| 4.54 | 5.14 | 4.54 | 5.05 | +11.23% | |
| 4.76 | 4.84 | 4.52 | 4.54 | -5.02% | |
| 4.62 | 4.99 | 4.45 | 4.78 | +4.60% | |
| 4.70 | 4.96 | 4.56 | 4.57 | -3.38% | |
| 5.15 | 5.15 | 4.61 | 4.73 | -8.16% | |
| 4.66 | 5.22 | 4.36 | 5.15 | +10.52% | |
| 5.28 | 5.29 | 4.65 | 4.66 | -10.73% | |
| 5.19 | 5.50 | 5.17 | 5.22 | -0.38% | |
| 5.09 | 5.35 | 4.88 | 5.24 | +1.55% | |
| 4.86 | 5.25 | 4.62 | 5.16 | +1.98% | |
| 4.58 | 5.40 | 4.58 | 5.06 | +12.20% | |
| 3.81 | 4.55 | 3.80 | 4.51 | +19.95% | |
| 4.03 | 4.15 | 3.48 | 3.76 | -5.76% | |
| 3.97 | 4.09 | 3.86 | 3.99 | +1.79% | |
| 4.05 | 4.16 | 3.86 | 3.92 | -1.26% | |
| 4.29 | 4.30 | 3.90 | 3.97 | -6.81% | |
| 4.80 | 4.92 | 4.16 | 4.26 | -11.80% | |
| 5.05 | 5.24 | 4.79 | 4.83 | -5.29% | |
| 5.38 | 5.45 | 5.01 | 5.10 | -3.95% | |
| 5.46 | 5.73 | 5.29 | 5.31 | -2.39% | |
| 5.89 | 6.22 | 5.41 | 5.44 | -7.64% | |
| 5.90 | 6.24 | 5.70 | 5.89 | +0.17% | |
| 6.53 | 6.53 | 5.84 | 5.88 | -9.26% | |
| 6.43 | 6.67 | 6.35 | 6.48 | +0.31% | |
| 7.33 | 7.33 | 6.15 | 6.46 | -12.70% | |
| 6.57 | 7.63 | 6.57 | 7.40 | +13.85% | |
| 7.35 | 7.53 | 6.50 | 6.50 | -11.56% | |
| 6.90 | 7.40 | 6.51 | 7.35 | +4.85% | |
| 7.25 | 7.35 | 6.38 | 7.01 | +2.04% | |
| 7.20 | 7.20 | 6.87 | 6.87 | -2.97% | |
| 7.12 | 7.20 | 6.88 | 7.08 | +0.28% | |
| 6.91 | 7.15 | 6.76 | 7.06 | +3.98% | |
| 6.95 | 7.07 | 6.37 | 6.79 | -1.74% | |
| 7.48 | 7.64 | 6.90 | 6.91 | -8.84% | |
| 7.33 | 7.99 | 7.06 | 7.58 | +1.47% | |
| 7.50 | 8.05 | 7.23 | 7.47 | -1.19% | |
| 7.95 | 7.95 | 7.37 | 7.56 | -2.83% | |
| 7.66 | 8.00 | 6.71 | 7.78 | +2.77% | |
| 7.50 | 7.73 | 7.20 | 7.57 | +0.93% | |
| 7.73 | 7.94 | 7.15 | 7.50 | -2.47% | |
| 7.64 | 8.12 | 7.60 | 7.69 | +1.32% | |
| 7.90 | 7.93 | 7.49 | 7.59 | -4.17% | |
| 7.85 | 8.15 | 7.78 | 7.92 | +1.54% | |
| 8.17 | 8.34 | 7.66 | 7.80 | -4.53% | |
| 8.13 | 8.40 | 7.97 | 8.17 | +0.62% | |
| 7.93 | 8.46 | 7.63 | 8.12 | +1.88% | |
| 8.06 | 8.35 | 7.91 | 7.97 | -2.45% | |
| 8.35 | 8.92 | 8.00 | 8.17 | -2.27% | |
| 8.35 | 8.50 | 8.10 | 8.36 | +1.58% | |
| 8.01 | 8.35 | 7.50 | 8.23 | +1.35% | |
| 8.28 | 8.99 | 7.47 | 8.12 | -4.02% | |
| 7.52 | 8.89 | 7.00 | 8.46 | +11.32% | |
| 8.00 | 8.07 | 7.15 | 7.60 | -5.59% | |
| 8.20 | 8.61 | 7.50 | 8.05 | -1.83% | |
| 8.70 | 9.00 | 8.09 | 8.20 | -7.03% | |
| 8.95 | 9.22 | 8.57 | 8.82 | -2.00% | |
| 8.67 | 9.40 | 8.15 | 9.00 | +2.04% | |
| 8.40 | 9.14 | 8.17 | 8.82 | +6.27% | |
| 9.11 | 9.25 | 8.30 | 8.30 | -9.29% | |
| 9.17 | 9.54 | 8.12 | 9.15 | +0.99% | |
| 9.68 | 9.68 | 9.00 | 9.06 | -3.21% | |
| 9.99 | 10.95 | 9.36 | 9.36 | -4.97% | |
| 8.88 | 10.85 | 8.78 | 9.85 | +10.80% | |
| 9.96 | 10.26 | 8.89 | 8.89 | -10.92% | |
| 9.60 | 10.44 | 9.43 | 9.98 | +4.50% | |
| 9.66 | 10.85 | 9.17 | 9.55 | -2.15% | |
| 11.33 | 12.18 | 9.18 | 9.76 | -11.27% | |
| 12.57 | 12.98 | 9.60 | 11.00 | -14.86% | |
| 13.52 | 13.60 | 12.87 | 12.92 | -4.51% | |
| 13.66 | 14.24 | 13.26 | 13.53 | -2.73% | |
| 14.98 | 14.98 | 13.20 | 13.91 | -6.01% | |
| 12.50 | 14.88 | 12.50 | 14.80 | +18.40% | |
| 11.60 | 12.69 | 11.29 | 12.50 | +8.70% | |
| 11.38 | 11.86 | 11.22 | 11.50 | +1.05% | |
| 12.77 | 12.77 | 11.34 | 11.38 | -5.64% | |
| 12.87 | 13.18 | 12.05 | 12.06 | -6.37% | |
| 12.10 | 13.22 | 11.69 | 12.88 | +10.18% | |
| 11.01 | 12.31 | 11.01 | 11.69 | +5.13% | |
| 11.39 | 11.39 | 10.81 | 11.12 | -3.56% | |
| 12.00 | 12.28 | 10.66 | 11.53 | -4.87% | |
| 12.00 | 12.52 | 11.84 | 12.12 | +1.42% | |
| 10.79 | 12.00 | 10.30 | 11.95 | +13.27% | |
| 10.47 | 12.12 | 10.27 | 10.55 | +3.63% | |
| 10.56 | 10.73 | 10.18 | 10.18 | -3.60% | |
| 10.25 | 10.87 | 10.06 | 10.56 | +3.13% | |
| 8.69 | 10.24 | 8.67 | 10.24 | +19.21% | |
| 8.37 | 9.12 | 8.37 | 8.59 | +2.63% | |
| 9.09 | 9.09 | 8.25 | 8.37 | -10.48% | |
| 8.11 | 9.51 | 7.70 | 9.35 | +8.59% | |
| 8.45 | 9.52 | 8.31 | 8.61 | +4.87% | |
| 8.02 | 8.99 | 8.00 | 8.21 | +1.48% | |
| 8.30 | 8.60 | 7.53 | 8.09 | -3.58% | |
| 8.04 | 8.41 | 7.43 | 8.39 | +1.21% | |
| 8.34 | 8.63 | 7.95 | 8.29 | -2.93% | |
| 9.65 | 9.65 | 8.52 | 8.54 | -11.13% | |
| 9.69 | 10.00 | 9.58 | 9.61 | -0.83% | |
| 10.64 | 10.64 | 9.45 | 9.69 | -8.06% | |
| 10.70 | 11.33 | 10.36 | 10.54 | -0.85% | |
| 11.68 | 11.68 | 10.26 | 10.63 | -7.57% | |
| 11.98 | 11.98 | 11.24 | 11.50 | -3.85% | |
| 11.79 | 12.00 | 11.55 | 11.96 | +3.01% | |
| 10.52 | 11.61 | 10.13 | 11.61 | +9.53% | |
| 10.81 | 11.33 | 9.99 | 10.60 | -3.28% | |
| 11.60 | 11.66 | 10.78 | 10.96 | -5.60% | |
| 11.00 | 11.75 | 10.92 | 11.61 | +2.20% | |
| 11.49 | 11.49 | 10.69 | 11.36 | -0.53% | |
| 10.88 | 11.54 | 9.99 | 11.42 | +6.13% | |
| 10.85 | 11.81 | 10.50 | 10.76 | -0.65% | |
| 10.42 | 10.83 | 10.06 | 10.83 | +1.88% | |
| 12.19 | 12.23 | 10.05 | 10.63 | -10.37% | |
| 9.75 | 11.90 | 9.68 | 11.86 | +24.32% | |
| 8.78 | 9.59 | 8.66 | 9.54 | +9.28% | |
| 8.36 | 8.73 | 8.35 | 8.73 | +4.05% | |
| 8.15 | 8.49 | 8.06 | 8.39 | +3.71% | |
| 8.03 | 8.35 | 8.03 | 8.09 | -0.74% | |
| 8.17 | 8.17 | 7.85 | 8.15 | 0.00% | |
| 8.08 | 8.23 | 7.75 | 8.15 | -1.09% | |
| 8.07 | 8.36 | 7.80 | 8.24 | +3.00% | |
| 8.20 | 8.20 | 7.68 | 8.00 | -1.60% | |
| 7.79 | 8.40 | 7.67 | 8.13 | +3.96% | |
| 7.82 | 8.00 | 7.44 | 7.82 | +1.56% | |
| 8.11 | 8.11 | 7.70 | 7.70 | -4.70% | |
| 8.07 | 8.10 | 7.62 | 8.08 | -0.25% | |
| 7.83 | 8.22 | 7.71 | 8.10 | +4.52% | |
| 7.59 | 7.76 | 7.15 | 7.75 | +0.13% | |
| 6.74 | 7.80 | 6.32 | 7.74 | +15.52% | |
| 6.65 | 6.95 | 6.44 | 6.70 | +0.90% | |
| 6.64 | 6.82 | 6.12 | 6.64 | +2.79% | |
| 6.54 | 6.64 | 6.14 | 6.46 | -1.97% | |
| 6.09 | 6.60 | 6.09 | 6.59 | +7.68% | |
| 6.00 | 6.32 | 5.75 | 6.12 | +2.00% | |
| 6.10 | 6.15 | 5.80 | 6.00 | -3.07% | |
| 6.00 | 6.37 | 6.00 | 6.19 | +3.51% | |
| 6.11 | 6.33 | 5.85 | 5.98 | +1.18% | |
| 6.17 | 6.18 | 5.74 | 5.91 | -7.66% | |
| 6.35 | 6.56 | 6.16 | 6.40 | +0.31% | |
| 5.78 | 6.72 | 5.66 | 6.38 | +11.93% | |
| 6.34 | 6.34 | 5.68 | 5.70 | -10.24% | |
| 6.59 | 6.82 | 5.83 | 6.35 | -4.94% | |
| 7.08 | 7.51 | 5.89 | 6.68 | -5.25% | |
| 7.91 | 7.91 | 6.88 | 7.05 | -10.65% | |
| 6.68 | 7.95 | 6.61 | 7.89 | +18.11% | |
| 5.97 | 6.68 | 5.97 | 6.68 | +13.80% | |
| 6.38 | 6.55 | 5.87 | 5.87 | -7.56% | |
| 6.59 | 6.59 | 6.31 | 6.35 | -3.20% | |
| 6.59 | 6.59 | 6.38 | 6.56 | +4.46% | |
| 6.22 | 6.34 | 6.08 | 6.28 | +0.64% | |
| 6.40 | 6.46 | 6.11 | 6.24 | -1.89% | |
| 6.60 | 6.60 | 6.28 | 6.36 | -3.34% | |
| 6.40 | 6.59 | 6.34 | 6.58 | +2.65% | |
| 6.15 | 6.41 | 6.09 | 6.41 | +2.07% | |
| 6.24 | 6.28 | 6.10 | 6.28 | -1.41% | |
| 6.15 | 6.54 | 5.91 | 6.37 | +3.41% | |
| 5.44 | 6.32 | 5.03 | 6.16 | +14.07% | |
| 5.05 | 5.50 | 5.05 | 5.40 | -4.59% | |
| 5.49 | 5.74 | 5.29 | 5.66 | -1.05% | |
| 6.21 | 6.29 | 5.52 | 5.72 | -7.14% | |
| 5.78 | 6.39 | 5.78 | 6.16 | +4.41% | |
| 5.96 | 6.18 | 5.67 | 5.90 | +2.25% | |
| 5.78 | 6.09 | 5.75 | 5.77 | +1.76% | |
| 5.95 | 6.02 | 5.49 | 5.67 | -7.65% | |
| 5.51 | 6.18 | 5.50 | 6.14 | +11.64% | |
| 5.59 | 5.88 | 5.49 | 5.50 | -2.31% | |
| 5.90 | 6.09 | 5.63 | 5.63 | -5.22% | |
| 5.65 | 5.97 | 5.52 | 5.94 | -0.83% | |
| 5.34 | 5.99 | 5.34 | 5.99 | +12.81% | |
| 6.57 | 6.72 | 5.21 | 5.31 | -21.57% | |
| 7.05 | 7.25 | 6.62 | 6.77 | -7.64% | |
| 7.22 | 7.38 | 7.05 | 7.33 | +1.52% | |
| 7.26 | 7.40 | 7.10 | 7.22 | +1.69% | |
| 7.05 | 7.25 | 6.81 | 7.10 | +3.50% | |
| 7.01 | 7.15 | 6.82 | 6.86 | -2.42% | |
| 7.06 | 7.15 | 6.69 | 7.03 | -1.68% | |
| 7.37 | 7.44 | 6.52 | 7.15 | -2.05% | |
| 7.00 | 7.35 | 7.00 | 7.30 | +6.10% | |
| 6.58 | 7.20 | 6.53 | 6.88 | +2.53% | |
| 7.17 | 7.25 | 5.83 | 6.71 | -8.33% | |
| 6.38 | 7.32 | 6.00 | 7.32 | +14.73% | |
| 6.34 | 6.61 | 6.04 | 6.38 | -4.63% | |
| 6.70 | 6.93 | 6.41 | 6.69 | -0.89% | |
| 6.22 | 6.76 | 6.13 | 6.75 | +8.70% | |
| 6.01 | 6.89 | 5.81 | 6.21 | +7.44% | |
| 5.69 | 5.90 | 5.41 | 5.78 | +0.70% | |
| 5.58 | 5.93 | 5.40 | 5.74 | +1.41% | |
| 4.90 | 6.36 | 4.90 | 5.66 | +16.94% | |
| 4.68 | 5.03 | 4.66 | 4.84 | +0.21% | |
| 4.90 | 4.90 | 4.65 | 4.83 | -1.63% | |
| 5.08 | 5.08 | 4.70 | 4.91 | -1.01% | |
| 5.12 | 5.38 | 4.96 | 4.96 | -9.16% | |
| 5.08 | 5.59 | 4.96 | 5.46 | +9.42% | |
| 5.29 | 5.49 | 4.88 | 4.99 | -5.31% | |
| 5.97 | 6.04 | 5.20 | 5.27 | -13.04% | |
| 6.52 | 6.69 | 5.85 | 6.06 | -14.65% | |
| 5.97 | 7.10 | 5.06 | 7.10 | +0.71% | |
| 3.50 | 16.34 | 3.47 | 7.05 | +103.17% | |
| 3.49 | 3.50 | 3.45 | 3.47 | -0.29% | |
| 3.42 | 3.50 | 3.40 | 3.48 | +2.35% | |
| 3.49 | 3.49 | 3.40 | 3.40 | -2.58% | |
| 3.45 | 3.50 | 3.30 | 3.49 | +2.35% | |
| 3.17 | 3.50 | 3.14 | 3.41 | +3.96% | |
| 3.32 | 3.32 | 3.19 | 3.28 | -0.61% | |
| 3.30 | 3.30 | 3.16 | 3.30 | +4.10% | |
| 3.19 | 3.29 | 3.17 | 3.17 | — |
Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the ARMP chart for longer ranges.