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Serina Therapeutics (SER) Stock Price, News & Analysis

SER NYSE
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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

$1.94
-6.73%
0.14
Last updated: September 30, 2026 at 17:49
-62.7%
Performance 1 year
$49.3M

Serina Therapeutics (SER) closed at $2.00 on September 30, 2026. Over the past 12 months, the price has lost 62.7%.

See what a $1,000 investment in SER would be worth today

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 →

Insider Radar

Net Buyers
90-Day Summary
1,000
Shares Bought
0
Shares Sold
1
Transactions
Most Recent Transaction
Brannan Stephen K. (Director) bought 1,000 shares @ $2.03 on July 7, 2026

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.

Based on SEC Form 4 filings over the last 90 days.

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.

$130K
Revenue (FY2025)
-$19.2M
Net Income (FY2025)
-$18.0M
Operating Cash Flow

Upcoming Events

JAN
01
January 1, 2027 - June 30, 2027 Clinical

SAD TFL data release

SAD TFL data for SER-252 targeted in the first half of 2027, per company guidance; may inform safety profile.
JAN
01
January 1, 2027 - June 30, 2027 Clinical

Topline SAD results

Topline single-ascending dose results for SER-252 registrational arm under 505(b)(2); dosing begun
JAN
01
January 1, 2027 - June 30, 2027 Clinical

Top-line data readout

Top-line readout of single-ascending-dose arm of Phase 1b registrational study for SER-252; timing targeted H1 2027.
JAN
01
January 1, 2027 - June 30, 2027 Clinical

Topline SAD data

Topline single-ascending-dose results for SER-252 Phase 1b expected H1 2027; trial spans US, Australia, South Korea and Taiwan.
JUL
09
July 9, 2027 Regulatory

Listing compliance cure deadline

NYSE American granted cure period through 2027-07-09; failure to comply may trigger suspension/delisting
JUL
09
July 9, 2027 Regulatory

Deadline to regain NYSE compliance

End of 18-month cure period to regain NYSE American listing compliance; failure may trigger delisting.

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

Last 12 Months

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

Last 12 Months

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.

Frequently Asked Questions

What is the current stock price of Serina Therapeutics (SER)?

The current stock price of Serina Therapeutics (SER) is $1.94 as of September 30, 2026.

What is the market cap of Serina Therapeutics (SER)?

The market cap of Serina Therapeutics (SER) is approximately $49.3M. Learn more about what market capitalization means .

What is the revenue of Serina Therapeutics (SER) stock?

The FY2025 revenue of Serina Therapeutics (SER) is $130K, from its most recent completed fiscal year.

What is the net income of Serina Therapeutics (SER)?

The FY2025 net income of Serina Therapeutics (SER) is -$19.2M, from its most recent completed fiscal year.

What is the earnings per share (EPS) of Serina Therapeutics (SER)?

The diluted earnings per share (EPS) of Serina Therapeutics (SER) is -$1.91 for FY2025, its most recent completed fiscal year. Learn more about EPS .

What is the operating cash flow of Serina Therapeutics (SER)?

The operating cash flow of Serina Therapeutics (SER) is -$18.0M. Learn about cash flow.

What is the profit margin of Serina Therapeutics (SER)?

The net profit margin of Serina Therapeutics (SER) is -14755.4%. Learn about profit margins.

What is the operating margin of Serina Therapeutics (SER)?

The operating profit margin of Serina Therapeutics (SER) is -18478.5%. Learn about operating margins.

What is the current ratio of Serina Therapeutics (SER)?

The current ratio of Serina Therapeutics (SER) is 1.71, measuring current assets divided by current liabilities. Learn about liquidity ratios.

What is the operating income of Serina Therapeutics (SER)?

The operating income of Serina Therapeutics (SER) is -$24.0M. Learn about operating income.

What does Serina Therapeutics do?

Serina Therapeutics is a clinical-stage biotechnology company developing its proprietary POZ Platform drug optimization technology. The company is developing wholly owned drug product candidates for neurological diseases and other indications.

What is Serina’s POZ Platform?

The POZ Platform is based on a synthetic, water-soluble, low-viscosity polymer called poly(2-oxazoline). Serina describes the platform as engineered to control drug loading and provide more precise release of attached drugs delivered by subcutaneous injection.

What is SER-252?

SER-252 is Serina’s main product candidate for advanced Parkinson’s disease. Company materials describe it as designed to provide sustained apomorphine exposure.

What diseases does Serina Therapeutics focus on?

Serina develops drug product candidates for neurological diseases and other indications. Its main named program, SER-252, is focused on advanced Parkinson’s disease.

What therapeutic modalities does Serina say its platform can support?

Serina states that the POZ Platform has potential across multiple modalities, including small molecules, RNA-based therapeutics, and antibody-based drug conjugates.

Where is Serina Therapeutics headquartered?

Serina Therapeutics is headquartered in Huntsville, Alabama, on the campus of the HudsonAlpha Institute of Biotechnology.

What stock exchange does Serina Therapeutics trade on?

Serina Therapeutics trades on the NYSE American under the ticker symbol SER.

How does Serina describe the purpose of POZ technology?

Serina says POZ technology is intended to improve drug loading control and release-rate precision. The company believes the technology can help drugs with narrow therapeutic windows maintain more desirable and stable blood levels.

Does Serina have partnership applications for POZ technology?

Yes. Serina has described potential advancement of additional POZ applications through out-licensing, co-development, or other partnership arrangements, including a non-exclusive license agreement with Pfizer for POZ polymer technology in lipid nanoparticle drug delivery formulations.

How does Serina report its business segment?

The available company profile describes one reportable segment related to research and development of the POZ platform. That profile also describes grant revenue as the segment’s revenue source.