Armata Pharmaceuticals (ARMP) closed at $2.85 on November 2, 2026, down 13.1% from the previous close, on volume of 85,278 shares (30-day average 104,398).
Data as of November 2, 2026.
2-Nov-2026
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Armata Pharmaceuticals Inc is a late clinical-stage biotechnology company focused on the development of high-purity and potent, pathogen-specific bacteriophage therapeutics for the treatment of antibiotic-resistant and difficult-to-treat bacterial infections using proprietary bacteriophage-based technology. It has completed three Phase 2 clinical trials to date. The Company operates and manages its business as one reportable operating segment, which is the business of developing pathogen-specific bacteriophage therapeutics for the treatment of antibiotic-resistant and difficult-to-treat acute and chronic bacterial infections using its proprietary bacteriophage-based technology.
Armata Pharmaceuticals trades on the AMEX stock market under the symbol ARMP.
As of November 2, 2026, ARMP stock price declined to $2.85 with 85,278 million shares trading.
ARMP has a beta of -0.16, meaning it tends to be less sensitive to market movements. ARMP has a correlation of 0.00 to the broad based SPY ETF.
ARMP has a market cap of $105.97 million. This is considered a Micro Cap stock.
Last quarter Armata Pharmaceuticals reported $3 million in Revenue and -$.27 earnings per share. This beat revenue expectation by $2 million and exceeded earnings estimates by $.18.
In the last 3 years, ARMP traded as high as $16.34 and as low as $.90.
The top ETF exchange traded funds that ARMP belongs to (by Net Assets): VTI, IWM, VXF, IWO, VTWO.
ARMP has underperformed the market in the last year with a price return of -42.5% while the SPY ETF gained +11.7%. ARMP has also underperformed the stock market ETF in the last 3 month and 2 week periods returning -40.4% and -15.4%, respectively, while the SPY returned +1.7% and -1.5%, respectively.
ARMP support price is $3.02 and resistance is $3.54 (based on 1 day standard deviation move). This means that using the most recent 20 day stock volatility and applying a one standard deviation move around the stock's closing price, stastically there is a 67% probability that ARMP shares will trade within this expected range on the day.
