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Arno Therapeutics, Inc. (ARNI) Stock Price & Analysis

Educational signal · not a buy or sell recommendation · How to read this

$0.0001 $0.00 (0.00%)
Vol: 800| 52-wk range: $0.0001 – $0.0002

Beta 1.55: the stock has moved about 55% more than the S&P 500.

Data from FMP · Methodology

For informational purposes only. Not financial advice. Machine-generated analysis by Stock Expert AI — model gemini-2.5-flash, generated Jun 14, 2026. Editorial oversight is systemic, not page-by-page. Editorially accountable: Sedat ANAK, Founder and Editor-in-Chief. Data sources: Financial Modeling Prep, Yahoo Finance, SEC EDGAR

Quick Answer

Arno Therapeutics, Inc. (ARNI) trades at $0.0001. Arno Therapeutics, Inc. is a biopharmaceutical company focused on developing cancer treatments, with a pipeline including Onapristone, AR-12, and AR-42 in various clinical and pre-clinical stages. Sector: Healthcare.

Price as of · Last analyzed: Jun 14, 2026
Arno Therapeutics, Inc. is a biopharmaceutical company focused on developing cancer treatments, with a pipeline including Onapristone, AR-12, and AR-42 in various clinical and pre-clinical stages. The company leverages licensing and co-development agreements to advance its drug candidates for solid tumors, hematological malignancies, and prostate cancer.

Analyst Coverage for ARNI: ARNI does not currently have published analyst price targets in our coverage universe. This is common for smaller-cap names with limited Wall Street coverage.

▶ Watch the ARNI film Every key number, told as a short cinematic story — just press play. ~2 min

No score published: we hold no usable price for this ticker, and a grade beside a missing price says nothing.

Arno Therapeutics, Inc. (ARNI) Healthcare & Pipeline Overview

CEODavid M. Tanen
Employees4
HeadquartersFlemington, US
IPO Year2008

Arno Therapeutics, Inc. is a biopharmaceutical entity specializing in oncology drug development, advancing pipeline candidates like Onapristone (Phase I/II), AR-12 (Phase I completed), and AR-42 (Phase I investigator-initiated) for various cancers. The company operates with a focused strategy, utilizing strategic licensing and co-development agreements to progress its therapeutic programs.

Data Provenance | Financial Data Quantitative Analysis Analysis: Jun 14, 2026

What Is the Investment Thesis for ARNI?

AI-written as of Jun 14, 2026 — figures and tone reflect the data available then, not today's score.

Arno Therapeutics, Inc. presents an investment thesis centered on its focused pipeline of oncology drug candidates, targeting significant unmet needs in cancer treatment. The company's lead candidate, Onapristone, is in Phase I/II clinical studies for breast, endometrial, and other solid tumors in post-menopausal women, alongside advanced castration-resistant prostate cancer in men. This dual indication strategy for a single asset could potentially broaden its market opportunity upon successful development. Additionally, AR-12, having completed Phase I for solid tumors and hematological malignancies, and AR-42, in Phase I investigator-initiated studies, offer further diversification within its oncology focus. The company's strategic license agreements with institutions like the University of Minnesota and Ohio State University Innovation Foundation, coupled with a co-development agreement with Leica Biosystems, provide external validation and resource leverage for its R&D efforts. While operating with a small team and an early-stage pipeline, successful progression through clinical trials represents a significant value driver, potentially attracting further investment or partnership opportunities in the high-value biotechnology sector.

Based on FMP financials and quantitative analysis

ARNI Key Highlights

AI-written as of Jun 14, 2026 — figures and tone reflect the data available then, not today's score.

Market Capitalization: Arno Therapeutics, Inc. currently holds a market capitalization of $0.00 billion, reflecting its early-stage development and OTC market presence.

  • Beta: The company exhibits a Beta of 1.55, indicating higher volatility compared to the broader market, which is common for biotechnology firms with early-stage pipelines.
  • Dividend Policy: Arno Therapeutics, Inc. does not currently pay a dividend, consistent with its status as a development-stage biopharmaceutical company focused on reinvesting capital into research and clinical trials.
  • Lean Operations: The company operates with a compact team of 4 employees, emphasizing a focused approach to its drug development programs and resource allocation.
  • Clinical Pipeline Progress: Key pipeline assets include Onapristone in Phase I/II clinical study, AR-12 having completed Phase I, and AR-42 in Phase I investigator-initiated study, demonstrating active progression in oncology development.

Who Are ARNI's Competitors?

ARNI is benchmarked below against 8 industry peers on price, market cap, and our AI MoonshotScore.

Company Price Change Market Cap MoonshotScore
ICCC ImmuCell Corporation $9.73 -0.15% $88.2M 77 5-pillar
RLYB Rallybio Corporation $17.12 +0.23% $90.6M 83 5-pillar
ALPX Alopexx, Inc. $9.96 -0.05% $119M 65 5-pillar
ORMP Oramed Pharmaceuticals Inc. $4.43 -1.27% $184M 76 5-pillar
ANTX AN2 Therapeutics, Inc. $5.57 -2.45% $206M 67 5-pillar
PLX Protalix BioTherapeutics, Inc. $2.69 -0.92% $218M 73 5-pillar
NAGE Niagen Bioscience Inc $2.73 -2.15% $222M 68 5-pillar
QTTB Q32 Bio Inc. $7.91 -3.89% $245M 67 5-pillar

AI Score by Stock Expert AI · Price data: FMP / Yahoo Finance

What Are ARNI's Key Strengths?

Focused pipeline of three distinct drug candidates (Onapristone, AR-12, AR-42) targeting significant unmet needs in oncology.

  • Multiple drug candidates are actively in clinical development (Phase I/II and Phase I), demonstrating ongoing progress.
  • Strategic license agreements with reputable institutions like the University of Minnesota and Ohio State University Innovation Foundation provide access to valuable intellectual property.
  • AR-12 has potential for diversified application beyond oncology, with pre-clinical studies in anti-microbial targets.

What Are ARNI's Weaknesses?

Very small operational team of 4 employees, which may limit the scope and speed of development activities.

  • All pipeline candidates are in early-stage clinical development (Phase I/II or Phase I), implying high risk and long timelines to market.
  • Operating on the OTC market, which typically entails lower liquidity and less stringent disclosure requirements compared to major exchanges.
  • No current commercialized products, meaning no recurring revenue streams and high reliance on external funding for R&D.

What Are the Key Risks for ARNI?

Weak fundamentals — a Piotroski F-Score of 2/9 flags soft profitability, leverage or efficiency.

  • Clinical trial failures for any of its pipeline candidates (Onapristone, AR-12, AR-42) could lead to significant delays, increased costs, or complete discontinuation of development programs.
  • Significant regulatory hurdles and delays in obtaining necessary approvals from health authorities like the FDA, which are common in the biopharmaceutical industry and can impact market entry timelines.
  • High research and development costs associated with advancing multiple drug candidates through clinical trials, without current revenue streams to offset these expenses.
  • Intense competition within the oncology drug development market from larger, more established pharmaceutical companies with greater financial and research resources.
  • Challenges in securing adequate additional funding or partnerships to sustain ongoing and future clinical development activities, given the company's early stage and small market capitalization.
  • Risks inherent to trading on the OTC market, including potential for low liquidity, high price volatility, and limited public disclosure, which can impact investor confidence and stock performance.

What Are ARNI's Competitive Advantages?

  • Proprietary drug candidates: Onapristone, AR-12, and AR-42 represent unique compounds with specific mechanisms of action targeting various cancers and potentially anti-microbial applications.
  • Intellectual property: Patents and regulatory exclusivities associated with its pipeline drugs, if granted, would provide a period of market protection.
  • Strategic licensing agreements: Partnerships with Invivis Pharmaceuticals, Inc., the Regents of the University of Minnesota, and the Ohio State University Innovation Foundation provide access to specialized research and intellectual property.
  • Co-development expertise: The co-development agreement with Leica Biosystems Newcastle Ltd. indicates specialized collaboration that could enhance product development and differentiation.

What Does ARNI Do?

Arno Therapeutics, Inc. is a biopharmaceutical company headquartered in Flemington, New Jersey, dedicated to the discovery and development of innovative products for the treatment of cancer and other life-threatening diseases. Established with a mission to address significant unmet medical needs in oncology, the company's operational model centers on advancing a targeted pipeline of drug candidates through various stages of clinical development. A cornerstone of its pipeline is Onapristone, a type 1 anti-progestin hormone blocker, which is currently undergoing a Phase I/II clinical study. This candidate is being evaluated for its potential efficacy in treating breast, endometrial, and other solid tumors in post-menopausal women, as well as advanced castration-resistant prostate cancer in men, representing a dual-pronged approach to hormone-sensitive cancers. Further diversifying its therapeutic portfolio, Arno Therapeutics is also developing AR-12, an orally available cancer treatment. AR-12 has successfully completed its Phase I clinical study for solid tumors and hematological malignancies, demonstrating initial safety and tolerability. Beyond oncology, AR-12 is also in pre-clinical studies exploring its potential for various anti-microbial targets, indicating a broader application strategy. The company's pipeline is further strengthened by AR-42, a novel orally available cancer therapy, which is currently in a Phase I investigator-initiated clinical study for the treatment of hematological malignancies and solid tumors. To support its research and development efforts, Arno Therapeutics has established several key strategic collaborations. These include license agreements with Invivis Pharmaceuticals, Inc., the Regents of the University of Minnesota, and the Ohio State University Innovation Foundation, providing access to proprietary technologies and compounds. Additionally, the company maintains a co-development agreement with Leica Biosystems Newcastle Ltd., highlighting its commitment to collaborative innovation in bringing new therapies to market. Operating with a lean team of four employees, Arno Therapeutics focuses its resources on the scientific and clinical progression of its specialized drug candidates.

What Products and Services Does ARNI Offer?

  • Develops biopharmaceutical products specifically for the treatment of cancer and other life-threatening diseases.
  • Advances Onapristone, a type 1 anti-progestin hormone blocker, through Phase I/II clinical studies for breast, endometrial, and other solid tumors in post-menopausal women.
  • Investigates Onapristone for advanced castration-resistant prostate cancer in men.
  • Develops AR-12, an orally available cancer treatment, which has completed Phase I clinical study for solid tumors and hematological malignancies.
  • Conducts pre-clinical studies for AR-12 to explore its potential as an anti-microbial treatment.
  • Advances AR-42, a novel orally available cancer therapy, through Phase I investigator-initiated clinical studies for hematological malignancies and solid tumors.
  • Engages in license agreements with academic institutions and pharmaceutical companies to access intellectual property and research capabilities.
  • Participates in a co-development agreement with Leica Biosystems Newcastle Ltd. to support product development.

How Does ARNI Make Money?

  • Focuses on research and development of novel drug candidates, aiming for future commercialization through direct sales or licensing partnerships.
  • Leverages intellectual property from its drug pipeline (Onapristone, AR-12, AR-42) to create therapeutic solutions for oncology and potentially anti-microbial targets.
  • Utilizes strategic license agreements with entities like Invivis Pharmaceuticals, Inc., University of Minnesota, and Ohio State University Innovation Foundation to acquire or develop promising compounds.
  • Engages in co-development agreements, such as with Leica Biosystems Newcastle Ltd., to share development costs, expertise, and potentially future revenues.
  • Relies on successful clinical trial outcomes to attract further investment, secure regulatory approvals, and ultimately generate revenue from drug sales or milestone payments from partners.

What Industry Does ARNI Operate In?

Arno Therapeutics, Inc. operates within the highly specialized and competitive biotechnology industry, specifically focusing on oncology drug development. This sector is characterized by substantial research and development investments, lengthy clinical trial processes, and stringent regulatory hurdles. The global oncology market is projected to continue its robust growth, driven by increasing cancer incidence, advancements in understanding disease mechanisms, and the demand for more targeted and effective therapies. Arno Therapeutics, with its pipeline of Onapristone, AR-12, and AR-42, positions itself as an early-stage player aiming to address specific cancer types, including breast, endometrial, prostate, solid tumors, and hematological malignancies. The competitive landscape includes numerous large pharmaceutical companies and smaller biotech firms, all vying for market share with novel therapies. Arno's strategy of leveraging licensing agreements and co-development partnerships is a common approach for smaller entities to mitigate risk and access broader expertise within this capital-intensive industry.

Who Are ARNI's Key Customers?

  • Future patients suffering from breast, endometrial, prostate, solid tumors, and hematological malignancies.
  • Healthcare providers, including oncologists and specialists, who would prescribe the company's approved therapies.
  • Potentially pharmaceutical companies for licensing or acquisition of drug candidates.
  • Research institutions and collaborators for co-development opportunities.
Model self-rating on this text: 66% (not a measure of the evidence) Updated: Jun 14, 2026

Research confidence

Low

Thin evidence — scoring coverage unknown. Treat this as a starting point, not a conclusion.

  • ● Scoring coverage unknown
  • ● No usable price
  • ● No filing on record
  • ● No analyst coverage

Company Profile

Arno Therapeutics, Inc. operates in the Biotechnology industry within the Healthcare sector. It is headquartered in Flemington, US. The company is led by CEO David M. Tanen. ARNI has traded publicly since 2008.

ROE 250%

Key Financial Metrics

Return on equity for Arno Therapeutics, Inc. stands at 250.4%, a gauge of how efficiently it converts shareholder capital into profit. A current ratio of 0.08 means current liabilities exceed short-term assets, a liquidity point worth watching.

F-Score 2/9

Financial Health

Arno Therapeutics, Inc.'s Piotroski F-Score is 2/9, a 9-point checklist of profitability, leverage and efficiency — flagging fundamental weakness worth scrutiny.

Net buying

Insider Activity

12 transactions · 9 purchases, 0 sales, 3 other transactions · 3 identified insiders · most recent available transactions. Purchases and sales use the reported transaction category. Other transactions include awards, exercises, gifts, withholding and unclassified activity; an acquisition or disposition alone is not a purchase or sale. These records do not establish intent.

ARNI Financials

Fundamental Snapshot

Return on Equity (TTM)
+250.4%
Current Ratio
0.1

Based on FMP financials and quantitative analysis

ARNI Latest News

ARNI Analyst Consensus

Consensus Rating

Aggregated Buy/Hold/Sell recommendations collected by Financial Modeling Prep for ARNI.

Price Targets

Wall Street price target analysis for ARNI.

ARNI MoonshotScore

MoonshotScore is Stock Expert AI's proprietary 0-100 research rating, not a buy or sell recommendation. No MoonshotScore is published for ARNI; grades run from A+ (80-100) to F (below 30).

ARNI OTC Market Information

Arno Therapeutics, Inc. trades on the 'OTC Other' tier of the OTC market. This tier is typically for companies that do not meet the reporting standards of OTCQX or OTCQB, or that choose not to provide information to OTC Markets Group. Companies in this tier often have limited public disclosure, which can make it challenging for investors to access comprehensive financial and operational data. Unlike companies listed on major exchanges like NYSE or NASDAQ, which adhere to strict listing requirements regarding financial health, corporate governance, and reporting, 'OTC Other' companies operate with minimal oversight, presenting increased risks for investors seeking transparency and liquidity. This tier is often considered the lowest and most speculative segment of the OTC market.

  • OTC Tier: OTC Other
Liquidity: Given Arno Therapeutics, Inc.'s listing on the 'OTC Other' tier and a reported market capitalization of $0.00 billion, the liquidity of its stock is likely very low. Investors may encounter significant challenges in buying or selling shares, as trading volumes can be minimal, leading to wide bid-ask spreads. This means there could be a substantial difference between the price a buyer is willing to pay and the price a seller is willing to accept. Such illiquidity can result in difficulty executing trades at desired prices and may contribute to heightened price volatility, making the stock less attractive for institutional investors requiring efficient market access.
OTC Risk Factors:
  • Limited Public Information: The 'OTC Other' tier implies minimal or unknown disclosure, making it difficult for investors to access current and comprehensive financial statements, business updates, and corporate governance information.
  • Low Liquidity and Volatility: Shares may trade infrequently and in small volumes, leading to wide bid-ask spreads and significant price fluctuations, making it challenging to buy or sell at a fair price.
  • Lack of Analyst Coverage: Companies in this tier typically receive little to no coverage from financial analysts, limiting independent research and valuation insights for investors.
  • Potential for Manipulation: The lack of transparency and low trading volume can make OTC Other stocks more susceptible to market manipulation schemes.
  • Difficulty in Valuation: Without consistent financial reporting and analyst coverage, accurately valuing the company's prospects and assets becomes highly speculative.
Due Diligence Checklist:
  • Verify any available financial statements, even if unaudited, to assess the company's cash position and burn rate.
  • Research all publicly available news, press releases, and corporate filings (if any) to understand recent developments and strategic initiatives.
  • Investigate the background and track record of management and key scientific personnel, as this information is crucial for early-stage biotech.
  • Thoroughly evaluate the scientific merit and clinical progress of each pipeline candidate, including trial design, patient enrollment, and preliminary data (if available).
  • Understand the competitive landscape for each therapeutic area the company is targeting and assess the potential market size.
  • Review any existing licensing or co-development agreements for their terms, milestones, and potential impact on future revenue or expenses.
  • Assess the company's funding strategy and runway, considering the high capital requirements for drug development.
Legitimacy Signals:
  • Active drug development pipeline with specific candidates (Onapristone, AR-12, AR-42) in various clinical and pre-clinical stages.
  • Established license agreements with reputable academic institutions (University of Minnesota, Ohio State University Innovation Foundation) and a pharmaceutical company (Invivis Pharmaceuticals, Inc.).
  • A co-development agreement with Leica Biosystems Newcastle Ltd., indicating external validation and collaboration.
  • A stated physical headquarters in Flemington, New Jersey, and a named CEO (David M. Tanen).
  • Clear focus on a specific, high-value therapeutic area (oncology) with defined drug targets and mechanisms.

ARNI Healthcare Stock FAQ

Given its OTC listing, what should investors know about trading ARNI stock?

Investors considering ARNI stock, which trades on the 'OTC Other' tier of the OTC market, should be aware of several critical factors.

Disclaimer: This content is for informational purposes only and does not constitute investment advice. Always do your own research and consult a financial advisor.

Official Resources

Price as of Analysis updated

MoonshotScore is not published for this security.

Data Sources & Methodology
Figures come from Financial Modeling Prep (FMP). If FMP has no figure for a ticker, a price or fundamental may come from a Yahoo Finance fallback, or a price from an Alpaca fallback. SEC EDGAR is used only for filing links and company identity details (legal name, address), never for figures. AI analysis by Stock Expert AI proprietary algorithms. Technical indicators via industry-standard calculations. Last updated: .
Data Provenance
Sources: Financial Modeling Prep (FMP) — Primary · Yahoo Finance — Fallback · Alpaca — Tertiary
Last fetched:
Cache TTL: Quote 5min · Profile 7d · Financials 7d · Insider 48h
How we use AI: Numbers are pulled directly from FMP & Yahoo Finance — our AI writes the analysis, it never edits the figures.
Data provided as-is for educational purposes. Not financial advice. Methodology

Data provided for informational purposes only.

Analysis Notes
  • Information limited by source data, particularly for CEO background, CEO title, and OTC disclosure status.
  • Word count for CEO background and track record could not be met due to 'Unknown' status as per content rules.
Data Sources
Financial Modeling Prep (FMP)Stock Expert AI proprietary analysis