What Changed
Price Move History
- Daily moves over 5%
- 84 252 sessions, September 30, 2025 to September 30, 2026
- Largest daily move
- +93.8% close of March 19, 2026
- 1-year change
- -62.7% closing prices, September 30, 2025 to September 30, 2026
- 5-year change
- -94% closing prices, September 30, 2021 to September 30, 2026
Company Description
Serina Therapeutics, Inc. (SER) Company Overview
Serina Therapeutics, Inc. is a clinical-stage biotechnology company developing its proprietary POZ Platform™ drug optimization technology. The company develops a pipeline of wholly owned drug product candidates for neurological diseases and other indications, with SER-252 as its main product candidate for advanced Parkinson’s disease. Serina trades on the NYSE American under the symbol SER and is headquartered in Huntsville, Alabama, on the campus of the HudsonAlpha Institute of Biotechnology.
Serina’s business is centered on research and development of its POZ technology. The company’s reported segment relates to research and development of the POZ platform, and the available company profile describes grant revenue as the segment’s revenue source. As a clinical-stage biotechnology company, Serina’s value proposition is tied to drug candidate development, platform validation, clinical study progress, and potential partnership uses of its polymer technology.
POZ Platform Drug Optimization Technology
The POZ Platform™ is based on a synthetic, water-soluble, low-viscosity polymer called poly(2-oxazoline). Serina describes the technology as engineered to provide greater control in drug loading and more precision in the rate of release of attached drugs delivered through subcutaneous injection. The platform is intended to improve the integrated efficacy and safety profile of multiple modalities, including small molecules, RNA-based therapeutics, and antibody-based drug conjugates.
The company’s approach focuses on therapeutic agents that are typically well-understood and marketed drugs but may be limited by pharmacokinetic profiles, including toxicity, side effects, or short half-life. Serina believes POZ technology can help drugs with narrow therapeutic windows maintain more desirable and stable blood levels. The company also describes the platform as addressing limitations of polyethylene glycol and other biocompatible polymers.
SER-252 and Advanced Parkinson’s Disease
SER-252 is Serina’s lead product candidate for advanced Parkinson’s disease. Company materials describe SER-252 as designed to provide sustained apomorphine exposure. The candidate is being evaluated in a Phase 1b registrational study in patients with advanced Parkinson’s disease, and company updates have discussed safety monitoring, tolerability review, pharmacokinetic observations, and exploratory motor-function measures.
SER-252 is important to Serina because it is the company’s main named clinical program and is directly linked to the POZ Platform’s drug optimization thesis. The program gives investors and researchers a way to evaluate whether the platform can improve the delivery profile of a known therapeutic agent in a neurological disease setting.
Pipeline Scope and Platform Applications
Serina states that it is developing a pipeline of wholly owned drug product candidates for neurological diseases and other indications. Beyond small molecules, the company has described potential applications across RNA-based therapeutics and antibody-based drug conjugates. Serina has also presented work involving lipid nanoparticle drug delivery formulations built on the POZ Platform, including ionizable POZ lipids for oligonucleotide payload delivery.
The company has described additional applications of POZ technology through out-licensing, co-development, or other partnership arrangements. Company materials also identify a non-exclusive license agreement with Pfizer, Inc. to use Serina’s POZ polymer technology in lipid nanoparticle drug delivery formulations. These disclosures show that Serina’s platform strategy includes both wholly owned drug candidates and external uses of its polymer technology.
What Makes Serina’s Model Distinct
Serina is a platform-focused biotechnology company built around polymer-based drug optimization rather than a single traditional small-molecule discovery program. Its materials emphasize control over drug loading, precision in release rate, subcutaneous delivery, and pharmacokinetic improvement for therapeutic agents whose limitations may include toxicity, side effects, or short half-life. That focus gives the company a clear technical theme: changing how known or well-understood therapeutic agents are delivered and released.
The company’s current public identity is also closely tied to neurological disease development. SER-252 for advanced Parkinson’s disease is the main named program, while the POZ Platform provides the broader scientific foundation for additional drug candidates and partnership applications.
Key SER Stock Research Topics
- Clinical development: SER-252 study progress, safety review, tolerability observations, and pharmacokinetic data are central company updates.
- Platform validation: Investors often focus on whether POZ technology produces the release profile and exposure pattern Serina is seeking.
- Pipeline expansion: Serina has described wholly owned drug candidates for neurological diseases and other indications.
- Partnership applications: Company materials discuss out-licensing, co-development, other partnership arrangements, and a non-exclusive Pfizer license involving POZ polymer technology for lipid nanoparticle delivery formulations.
- Regulatory filings: Serina’s filings include quarterly reports, material event reports, financing-related disclosures, governance updates, and securities registration materials.
Stock Performance
Serina Therapeutics (SER) closed at $2.00 on September 30, 2026. Over the past 12 months, the price has lost 62.7%.
SER Metrics & Rankings
Price returns through September 30, 2026. Month-to-date and YTD include the first trading day. Ranking links may use different dates.
Latest News
Serina Therapeutics has 10 recent news articles, with the latest published 7 days ago. Of the recent coverage, 2 articles coincided with positive price movement and 8 with negative movement. Key topics include earnings, management. View all SER news →
SEC Filings
Serina Therapeutics has filed 10 recent SEC filings, including 5 Form 8-K, 1 Form 3, 1 Form 4, 1 Form EFFECT. The most recent filing was submitted on September 9, 2026. SEC filings provide transparency into a company's financial condition, material events, and regulatory compliance. View all SER SEC filings →
Insider Radar
Insider buying activity at Serina Therapeutics over the past 90 days may reflect management confidence in the company's direction. Institutional investors and analysts often monitor insider purchases as a potential bullish indicator for the stock.
Financial Highlights
Serina Therapeutics generated $130K in revenue in FY2025, operating income reached -$24.0M (-18478.5% operating margin), and net income was -$19.2M, reflecting a -14755.4% net profit margin. Diluted earnings per share stood at -$1.91. The company generated -$18.0M in operating cash flow. The current ratio was 1.71, measuring current assets divided by current liabilities.
Upcoming Events
SAD TFL data release
Topline SAD results
Top-line data readout
Topline SAD data
Listing compliance cure deadline
Deadline to regain NYSE compliance
Serina Therapeutics has 6 upcoming scheduled events. The next event, "SAD TFL data release", is scheduled for January 1, 2027 (in 92 days). Investors can track these dates to stay informed about potential catalysts that may affect the SER stock price.
Short Interest History
Short interest in Serina Therapeutics (SER) currently stands at 119.4 thousand shares, up 70.3% from the previous reporting period, representing 1.0% of the float. Since September 2025, short interest has increased by 103.8%.
Days to Cover History
Days to cover for Serina Therapeutics (SER) currently stands at 1.4 days, up 9.1% from the previous period. The ratio is the reported short interest divided by the average daily trading volume. Since September 2025, the figure has decreased by 38.7%. Across the settlements charted above, it has ranged from 1.0 to 8.6 days.
SER Company Profile & Sector Positioning
Serina Therapeutics (SER) operates in the Biotechnology industry within the broader Healthcare sector and is listed on the NYSE.
Investors comparing SER often look at related companies in the same sector, including vTv Therapeutics Inc. (VTVT), PolyPid Ltd. (PYPD), Jupiter Neurosciences, Inc. (JUNS), Relmada Therapeutics, Inc. (RLMD), and MAIA Biotechnology, Inc. (MAIA). Comparing financial metrics, valuation ratios, and stock performance across these peers can help investors evaluate SER's relative position within its industry.