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Buy Day today: Good (62) Broad market participation · no major macro event
SER

Serina Therapeutics Inc

Healthcare · Biotechnology

2.20$ +2.8% vs. previous close Closing price · As of: Sep 17, 2026

Ownership

Ownership Structure

Who owns Serina Therapeutics Inc (SER)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 43.9% of the shares are freely tradable; institutional investors hold 9.8%.

Institutional ownership ?Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings. 9.8%
Insiders ?Share of the stock held by the executives, founders and major shareholders of the company itself. 29.7%
Float ?Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders. 43.9%
Short % of float ?Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices. 0.3%
Shares Outstanding ?Total number of shares issued. Price times share count gives market cap. 25Mio.

Largest Shareholders

No ownership data is available for this stock yet.

Insider holdings

Insider holdings SER
Person Role Shares Value As of Type
Brannan Stephen K. Director 1,000 2,200 $ Jul 7, 2026 direct

Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.

Insiders

Insider Transactions

Insider Transactions
Date Person Role Type Shares Price Value
Jul 7, 2026 Brannan Stephen K. Director Buy 1,000 2.03 2,030

Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →

Data as of: September 17, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)

Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.

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