Anthera Pharmaceuticals (ANTH) Stock Price, News & Analysis

Company Overview

Anthera Pharmaceuticals, trading on the OTC Markets under the symbol ANTH, is a clinical-stage biopharmaceutical company focused on the discovery, development and commercialization of novel therapies for patients suffering from serious and rare inflammatory and autoimmune diseases. The company’s research and development efforts center on both biologic and small-molecule approaches designed to modulate key pathways in immune system dysfunction. Anthera’s strategy includes advancing lead candidates through late-stage clinical trials while exploring additional indications for its pipeline assets.

The company’s most advanced asset, blisibimod, is a selective antagonist of B-cell activating factor (BAFF) that has been evaluated in clinical studies for systemic lupus erythematosus (SLE) and primary immune thrombocytopenia (ITP). Anthera has also pursued early-stage programs in fibrotic conditions and cardiovascular diseases, leveraging its proprietary protein engineering platform to generate novel candidates with potential best-in-class attributes. Collaboration agreements with academic institutions and contract research organizations support Anthera’s efforts to accelerate development timelines and broaden the clinical assessment of its technologies.

Founded in the mid-2000s and headquartered in Hayward, California, Anthera has conducted multi-center trials across North America and Europe. The company’s management team comprises professionals with extensive experience in immunology, clinical operations and regulatory affairs, reflecting a commitment to rigorous clinical development and systematic advancement of its pipeline. Anthera’s operations include in-house research capabilities as well as strategic partnerships aimed at bridging the gap between laboratory discovery and commercial availability for patients in need.

Key Stats

• Today's Range: $0.0010 to $0.0010
• 50-Day Range: N/A
• 52-Week Range: $0.0001 to $0.0010
• Volume: N/A
• Average Volume: 10,436 shs
• Market Capitalization: N/A
• P/E Ratio: N/A
• Dividend Yield: N/A
• Price Target: N/A
• Consensus Rating: N/A

ANTH Stock Analysis - Frequently Asked Questions

How have ANTH shares performed this year?

Anthera Pharmaceuticals' stock was trading at $0.0001 at the beginning of 2025. Since then, ANTH stock has increased by 900.0% and is now trading at $0.0010.

How were Anthera Pharmaceuticals' earnings last quarter?

Anthera Pharmaceuticals, Inc. (OTCMKTS:ANTH) released its quarterly earnings results on Monday, March, 5th. The biopharmaceutical company reported ($0.73) earnings per share (EPS) for the quarter, topping analysts' consensus estimates of ($0.82) by $0.09.

When did Anthera Pharmaceuticals' stock split?

Anthera Pharmaceuticals's stock reverse split on Monday, May 1st 2017.The 1-8 reverse split was announced on Friday, April 28th 2017. The number of shares owned by shareholders was adjusted after the market closes on Friday, April 28th 2017. An investor that had 100 shares of stock prior to the reverse split would have 13 shares after the split.

How do I buy shares of Anthera Pharmaceuticals?

Shares of ANTH stock can be purchased through any online brokerage account. Popular online brokerages with access to the U.S. stock market include Charles Schwab, E*TRADE, Fidelity, and Vanguard Brokerage Services.

What other stocks do shareholders of Anthera Pharmaceuticals own?

Based on aggregate information from My MarketBeat watchlists, some other companies that Anthera Pharmaceuticals investors own include Ocular Therapeutix (OCUL), Novavax (NVAX), Arena Pharmaceuticals (ARNA), Bristol Myers Squibb (BMY), Dynavax Technologies (DVAX), Synergy Pharmaceuticals (SGYP) and Inovio Pharmaceuticals (INO).

Company Calendar

• Last Earnings: 3/05/2018
• Today: 10/11/2025
• Fiscal Year End: 12/31/2025

Industry, Sector and Symbol

• Stock Exchange: OTCMKTS
• Sector: Medical
• Industry: MED - BIOMED/GENE
• Sub-Industry: Pharmaceutical Products
• Current Symbol: OTCMKTS:ANTH
• CIK: 1316175
• Web: www.anthera.com
• Phone: (410) 350-1839
• Fax: 510-856-5597
• Employees: 20
• Year Founded: N/A

Profitability

• EPS (Trailing Twelve Months): N/A
• Trailing P/E Ratio: N/A
• Forward P/E Ratio: N/A
• P/E Growth: N/A
• Net Income: N/A
• Net Margins: N/A
• Pretax Margin: N/A
• Return on Equity: N/A
• Return on Assets: N/A

Debt

• Debt-to-Equity Ratio: N/A
• Current Ratio: N/A
• Quick Ratio: N/A

Sales & Book Value

• Annual Sales: N/A
• Price / Sales: N/A
• Cash Flow: N/A
• Price / Cash Flow: N/A
• Book Value: N/A
• Price / Book: N/A

Miscellaneous

• Outstanding Shares: N/A
• Free Float: N/A
• Market Cap: N/A
• Optionable: Not Optionable
• Beta: 1.74