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Serina Therapeutics, Inc. (SER)

Serina Therapeutics, Inc. at a glance — key fundamentals, SEC filings, insider buying and selling, and earnings dates.

Serina Therapeutics, Inc. (SER) is a Biotechnology company based in US with a market capitalization of $20M. Free cash flow was negative at -$18M. This page tracks SER's SEC filings, insider buying and selling, earnings dates, and key fundamentals in one place.

US · 12 employees · IPO Jan 21, 2000

Valuation

Valuation & price

$1.64 · as of May 17, 2026 · -72.5% vs 52w high

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P/E ratio

Latest-FY diluted EPS

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P/B ratio

Market cap ÷ book equity

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Dividend yield

Price — last 12 months

$5.97$3.65$1.34Jul 25Dec 25Jul 26Jul 7, 25$5.55Jul 9, 25$5.70Jul 11, 25$5.91Jul 15, 25$5.30Jul 17, 25$5.31Jul 21, 25$5.35Jul 23, 25$5.53Jul 25, 25$5.40Jul 29, 25$5.97Jul 31, 25$5.54Aug 4, 25$5.13Aug 6, 25$5.26Aug 11, 25$5.10Aug 13, 25$5.37Aug 15, 25$5.40Aug 19, 25$5.01Aug 21, 25$5.50Aug 25, 25$5.64Aug 27, 25$4.99Aug 29, 25$5.32Sep 3, 25$5.29Sep 5, 25$5.09Sep 9, 25$5.36Sep 11, 25$5.10Sep 16, 25$5.03Sep 18, 25$4.51Sep 22, 25$5.09Sep 24, 25$4.94Sep 26, 25$4.97Sep 30, 25$5.36Oct 2, 25$5.25Oct 6, 25$5.19Oct 8, 25$5.63Oct 10, 25$5.31Oct 14, 25$5.15Oct 16, 25$4.89Oct 21, 25$4.90Oct 23, 25$5.17Oct 27, 25$5.07Oct 29, 25$4.71Oct 31, 25$5.00Nov 4, 25$4.33Nov 6, 25$4.12Nov 10, 25$3.99Nov 12, 25$4.02Nov 14, 25$4.09Nov 18, 25$3.76Nov 20, 25$3.76Nov 25, 25$3.91Nov 28, 25$4.26Dec 2, 25$3.81Dec 4, 25$3.47Dec 8, 25$3.32Dec 10, 25$3.21Dec 12, 25$3.12Dec 16, 25$2.92Dec 18, 25$2.66Dec 22, 25$2.65Dec 24, 25$2.44Dec 29, 25$2.30Jan 2, 26$2.08Jan 6, 26$2.08Jan 8, 26$2.62Jan 12, 26$2.47Jan 14, 26$2.67Jan 16, 26$3.10Jan 21, 26$2.85Jan 23, 26$2.87Jan 27, 26$2.74Jan 29, 26$3.54Feb 2, 26$2.72Feb 4, 26$2.84Feb 9, 26$2.25Feb 11, 26$1.86Feb 13, 26$1.83Feb 18, 26$1.68Feb 20, 26$1.62Feb 24, 26$1.67Feb 26, 26$1.81Mar 2, 26$1.77Mar 4, 26$1.67Mar 6, 26$1.53Mar 10, 26$1.62Mar 12, 26$1.56Mar 17, 26$1.34Mar 19, 26$2.48Mar 23, 26$3.15Mar 25, 26$3.03Mar 27, 26$2.27Mar 31, 26$1.94Apr 2, 26$2.12Apr 7, 26$2.08Apr 9, 26$2.00Apr 13, 26$1.96Apr 15, 26$2.03Apr 17, 26$2.05Apr 22, 26$1.95Apr 24, 26$1.97Apr 28, 26$1.85Apr 30, 26$1.82May 4, 26$1.90May 6, 26$1.83May 8, 26$1.75May 12, 26$1.63May 14, 26$1.72May 18, 26$1.51May 20, 26$1.70May 22, 26$1.98May 28, 26$1.95Jun 1, 26$1.81Jun 3, 26$1.79Jun 5, 26$1.88Jun 9, 26$1.77Jun 11, 26$1.81Jun 15, 26$1.91Jun 17, 26$1.98Jun 22, 26$1.89Jun 24, 26$1.84Jun 26, 26$1.81Jul 2, 26$1.90
$1.2852-week range$5.97
Loading valuation history…

Fundamentals

Key fundamentals

$20M

Market cap

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Revenue growth (YoY)

-246.4%

Gross margin

-$18M

Free cash flow (USD)

-$2.9M

Net debt

Net cash position

38.5%

Share dilution

0/4

Graham criteria passed

Defensive-investor screen

Healthcare

Sector

Trajectory

Long-term trends

Revenue by year

2016 → 2025

FY 2016$1.7MFY 2017$1.4MFY 2018$1.4MFY 2019$1.7MFY 2020$54.0KFY 2021$3.5MFY 2022$500.0KFY 2023$3.2MFY 2024$56.0KFY 2025$0.00
$1.7M$0

Free cash flow by year

2016 → 2025

FY 2016$-8.4MFY 2017$-6.3MFY 2018$-9.9MFY 2019$-10.8MFY 2020$-7.8MFY 2021$-2.4MFY 2022$-2.1MFY 2023$-3.0MFY 2024$-17.2MFY 2025$-18.0M
-$8.5M-$18M

Gross margin by year

2021 → 2024

FY 2021-9.6%FY 2022100.0%FY 202397.2%FY 2024-246.4%
-9.6%-246.4%

Value screen

Graham defensive-investor tests

Computing the scorecard — refreshing any stale inputs…

4

Insider buys · 90 days

0

Insider sells · 90 days

Earnings

Last reported: May 14, 2026 (EPS $-0.58)

Next expected: not yet scheduled

On the tape

Recent SEC & insider activity

  • 8-K eventShare Increase ApprovedJun 24, 2026Filing
  • Insider buyInsider Buy $1KVenkatesan Jay · Director · $1KJun 22, 2026Filing
  • Insider buyInsider Buy $18KWILSON KAREN J · Director · $17.7KJun 15, 2026Filing
  • Insider buyInsider Buy $37KWILSON KAREN J · Director · $37KMay 26, 2026Filing
  • Insider buyInsider Buy $20KMarshall Richard Peter · Director · $20.1KMay 22, 2026Filing
  • FinancingSecurities RegistrationMay 22, 2026Filing
  • Quarterly report10-Q FiledMay 14, 2026Filing
  • 8-K eventEarnings ReleaseMay 14, 2026Filing
  • 8-K eventBylaw AmendmentApr 21, 2026Filing

Questions

Frequently asked questions

What is Serina Therapeutics, Inc.'s market cap?

Serina Therapeutics, Inc. (SER) has a market capitalization of $20M.

What is SER's P/E ratio?

A meaningful P/E ratio is not available for SER — the company's latest fiscal-year earnings per share is zero, negative, or not yet cached.

When did Serina Therapeutics, Inc. last report earnings?

SER last reported earnings on May 14, 2026; the next date is not yet scheduled.

Are insiders buying SER stock?

Yes — SEC Form 4 filings show 4 open-market insider buys and 0 sells at Serina Therapeutics, Inc. in the last 90 days.

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Timeline

Every filing, insider trade & earnings on a price-anchored timeline

Filing Analyzer

Search the actual 10-K / 10-Q text with AI research angles

News

Latest press coverage in one feed

Data: SEC EDGAR filings and cached fundamental data; prices and ratios use the most recent cached quote and statements (may lag by up to a day). Educational and research purposes only. Not investment advice.