Apellis Pharmaceuticals Faces Increased Bearish Sentiment Amid Options Activity
Written by Emily J. Thompson, Senior Investment Analyst
Updated: Mar 24 2026
0mins
Should l Buy APLS?
Source: Yahoo Finance
Apellis Pharmaceuticals Inc (APLS) experienced a significant price drop of 16.37% as it crossed below its 5-day SMA, reflecting heightened bearish sentiment among investors.
The surge in options volume, particularly the $25 strike put option expiring on January 16, 2026, which traded 7,553 contracts, indicates a strong expectation of further declines in APLS's stock price. This activity suggests that investors are increasingly betting against the stock, contributing to its downward movement.
The implications of this bearish sentiment could lead to increased volatility for APLS in the near term, as investors react to the heightened options activity and reassess their positions in light of market conditions.
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Analyst Views on APLS
Wall Street analysts forecast APLS stock price to rise
14 Analyst Rating
9 Buy
5 Hold
0 Sell
Moderate Buy
Current: 17.090
Low
19.00
Averages
31.69
High
48.00
Current: 17.090
Low
19.00
Averages
31.69
High
48.00
About APLS
Apellis Pharmaceuticals, Inc. is a commercial-stage biopharmaceutical company. The Company is focused on the discovery, development and commercialization of novel therapeutic compounds to treat diseases with high unmet needs through the inhibition of the complement system. SYFOVRE (pegcetacoplan injection) is the Company’s approved treatment for geographic atrophy secondary to age-related macular degeneration (GA). Its EMPAVELI (pegcetacoplan) is for the treatment of paroxysmal nocturnal hemoglobinuria (PNH). Its Aspaveli (pegcetacoplan) for the treatment of adults with PNH who are anemic after treatment with a C5 inhibitor for at least three months. Systemic pegcetacoplan has also been approved for the treatment of PNH in Japan, Saudi Arabia, Australia, the United Kingdom and other jurisdictions. Systemic pegcetacoplan is marketed under the trade name EMPAVELI in the United States, Saudi Arabia and Australia and Aspaveli in the European Union, Japan and the United Kingdom.
About the author

Emily J. Thompson
Emily J. Thompson, a Chartered Financial Analyst (CFA) with 12 years in investment research, graduated with honors from the Wharton School. Specializing in industrial and technology stocks, she provides in-depth analysis for Intellectia’s earnings and market brief reports.
- Acquisition Details: Biogen has agreed to acquire Apellis for $41 per share in cash, valuing the deal at approximately $5.6 billion, which is expected to enhance Biogen's market position in immunology and rare diseases while providing immediate revenue.
- Expanded Drug Portfolio: The acquisition adds two commercial medicines, EMPAVELI and SYFOVRE, to Biogen's portfolio, with projected combined net sales of $689 million by 2025 and a mid-to-high teens growth rate through at least 2028, significantly improving the company's long-term growth outlook.
- Significant Clinical Outcomes: EMPAVELI is the only FDA-approved treatment for C3G, demonstrating a 68% reduction in proteinuria in the VALIANT study, while SYFOVRE has shown substantial reductions in GA lesion growth in the OAKS and DERBY studies, further solidifying Biogen's expansion in nephrology.
- Future Outlook and Employee Integration: Biogen expects to integrate a significant portion of Apellis employees post-transaction, with plans to close the deal in Q2 2026, further enhancing the company's capabilities in treating kidney diseases with the anticipated launch of Felzartamab.
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- Falling Bond Yields: The 10-year Treasury note yield dropped to a one-week low of 4.30%, indicating market expectations that an end to the Iran conflict could lower energy prices and alleviate inflation concerns, further supporting stock market gains.
- Consumer Confidence Rises: The US March consumer confidence index unexpectedly increased by 0.8 to 91.8, surpassing expectations of a decline to 87.9, suggesting enhanced consumer confidence in economic prospects, which could drive spending and economic growth.
- Strong Chinese Economy: China's March manufacturing PMI rose to 50.4, exceeding expectations of 50.1, indicating signs of economic recovery that support global growth prospects and positively influence market performance.
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- Pipeline Expansion: This acquisition will introduce two approved drugs into Biogen's product portfolio, which is expected to provide robust support for the company's future revenue growth, particularly in applications within the neuroscience field.
- Strategic Market Shift: By acquiring Apellis, Biogen not only boosts its competitiveness in the biopharmaceutical market but also aims to optimize R&D efficiency through the integration of Apellis's technologies and resources, fostering the development of innovative drugs.
- Financial Impact: The transaction is expected to positively affect Biogen's financial status; although the acquisition cost is substantial at $5.6 billion, the anticipated market sales from the new drugs are expected to yield significant returns on investment.
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- Legal Investigation Launched: Halper Sadeh LLC is investigating Apellis Pharmaceuticals, Inc. (NASDAQ:APLS) regarding its sale to Biogen Inc. for $41.00 per share in cash and two contingent value rights of $2.00 each, potentially infringing on shareholder rights.
- Shareholder Rights Protection: The firm encourages shareholders of Apellis and Centessa Pharmaceuticals plc (NASDAQ:CNTA) to understand their legal rights, as the latter's deal involves $38.00 per share in cash plus a contingent value right worth up to $9.00, aiming to ensure fair treatment for shareholders.
- Asset Sale Impact: Allbirds, Inc. (NASDAQ:BIRD) sold its intellectual property and other assets for $39 million, and Halper Sadeh LLC may seek increased compensation and additional disclosures for shareholders to ensure transaction transparency.
- Global Investor Support: Halper Sadeh LLC represents investors worldwide, committed to combating securities fraud and corporate misconduct, having successfully recovered millions for defrauded investors in the past, highlighting its influence in protecting investor rights.
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- Acquisition Announcement: Biogen has agreed to acquire Apellis Pharmaceuticals for $5.6 billion, resulting in a 140% surge in Apellis' shares during Tuesday's pre-market trading, indicating strong market enthusiasm and a significant boost to Biogen's position in the rare disease treatment sector.
- Retail Sentiment: Following the acquisition news, retail sentiment around Apellis on Stocktwits trended bullish with high message volumes, reflecting investor optimism about the company's future prospects, which could further drive up its stock price.
- Business Expansion: This acquisition will enhance Biogen's rare disease treatment portfolio and accelerate its expansion into nephrology, signaling a strategic shift towards high-growth areas to capture increasing market demand.
- Investor Attention: As the acquisition progresses, market focus on Apellis has intensified, with investors likely to closely monitor the integration process and its impact on Biogen's overall performance, suggesting potential future stock price volatility.
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