How to Buy Serina Therapeutics Stock

Serina Therapeutics Inc

AgeX Therapeutics, Inc. operates as a biotechnology company. The company is headquartered in Alameda, California and currently employs 12 full-time employees.

Serina Therapeutics stock last closed at $1.61, up 6.62% from the previous day, and has decreased 70.35% in one year. It has overperformed other stocks in the Biotechnology industry by 0.06 percentage points. Serina Therapeutics stock is currently +31.97% from its 52-week low of $1.22, and -79.65% from its 52-week high of $7.91.

There are currently 15M SER shares outstanding. The market capitalization of SER is $24.15M. In the last 24 hours, 95,000 SER shares were traded.

How to Buy Serina Therapeutics Stock

Wondering how to invest in Serina Therapeutics stock? Here's how.

  1. Decide where to buy Serina Therapeutics stock: You need to decide on an online brokerage, but don't worry - we've sifted through dozens of stock brokerages and apps to help you determine where to buy Serina Therapeutics stock.
  2. Sign up for your brokerage account: Sign up for 0% fee trading with the highest-rated brokerage we've found.
  3. Deposit money your brokerage account: Pick your payment method and add your information.
  4. Research Serina Therapeutics stock: The Serina Therapeutics ticker symbol is SER. Is Serina Therapeutics stock a good investment? Should you buy shares of SER? How do SER's underlying business fundamentals look? Do top analysts think Serina Therapeutics is a good buy? Why has SER's stock price moved recently? (Hint: Our stock research website can help you figure out if SER is a good stock to buy).
  5. Execute your SER trade: Decide if you will purchase SER shares at the current market price or use a limit order to buy SER stock at a given price.
  6. Keep an eye on your investment in SER: Create a watchlist to important notifications about your new investment in Serina Therapeutics shares.

Step 1: Decide where to buy Serina Therapeutics stock

You will need a brokerage account in order to access the NYSEMKT market and buy SER stock.

A brokerage account is an investment account that enables you to buy and sell a variety of financial instruments, such as stocks, bonds, mutual funds, and ETFs.

Our favorite brokerage: eToro

Based on our research, eToro is the best place to buy stocks. eToro gives you:

  • You can invest in stocks with zero commissions: Invest without commissions.
  • Buy fractional shares: Even if you don't have the money to buy a full share, you can still purchase the stock.
  • Access to world financial markets: From Technology to Real Estate, New York to Tokyo (for US users, only US stocks are available) — you can fill your portfolio with stocks from the globe's leading stock exchanges.
  • Social investing: eToro has a community with more than 20 million users around the world. Talk to, learn from, and copy the crypto trades of top investors.
  • Security: eToro is a regulated and licensed brokerage platform.
  • Buy other assets: Such as ETFs and cryptocurrencies.

Get $10 towards your stock purchase by opening an account with eToro now. This offer is only for US users.

Open eToro Account
eToro securities trading is offered by eToro USA Securities, Inc. (“the BD”), member of FINRA and SIPC. Cryptocurrency is offered by eToro USA LLC (“the MSB”) (NMLS: 1769299) and is not FDIC or SIPC insured. Investing involves risk, and content is provided for educational purposes only, does not imply a recommendation, and is not a guarantee of future performance. https://www.wallstreetzen.com is not an affiliate and may be compensated if you access certain products or services offered by the MSB and/or the BD.

Step 2: Sign up for your brokerage account

Now that you've chosen the best brokerage, you need to fill out some personal details so you are able to buy SER today.

How to Set Up a New Account on eToro

  1. Click here to get started.
    eToro is a multi-asset investment platform. The value of your investments may go up or down. Your capital is at risk.
  2. Enter your personal info to create a new trading account.
  1. Submit your info by hitting the "Create Account" button.
  2. Get started with eToro today
    eToro is a multi-asset investment platform. The value of your investments may go up or down. Your capital is at risk.

Step 3: Deposit money your brokerage account

Now that you have filled out your info on a investment app, your next step is to transfer the money for your investment:

Check out the tutorial below for more details transferring funds into your brokerage account.

Get started with eToro today
eToro is a multi-asset investment platform. The value of your investments may go up or down. Your capital is at risk.

Step 4: Research Serina Therapeutics stock

Once you have selected the best place to buy Serina Therapeutics stock, it's absolutely critical to research their stock before you invest, so you truly understand the risk as well as the opportunity.

Overview of key SER info

SER Price
$1.61
1w %
-1.23%
1y %
-70.35%
5y %
-96.19%
P/E
-0.81x
P/B
1.37x
P/S
146.36x
PEG
N/A
Revenue
$130.00k
Earnings
-$21.56M
Fore. Rev. Growth
-100%
Fore. Earn. Growth
N/A
Market Cap
$24.15M
Next Earnings
N/A
Next Dividend
N/A

Serina Therapeutics Overview

WallStreetZen was built to help part-time investors do better fundamental analysis.

You can see all of the due diligence checks on SER's stock page.

What is the fair value of SER stock?

You can use a variety of different financial metrics, analyses, models, and charts to gauge SER's true value.

Using relative valuations ratios:

  • SER may be undervalued based on its P/B ratio of 1.37x, relative to Biotechnology industry P/B ratio of 4.72x

You can access more valuation analysis on SER's stock here.

A look at SER Cashflows and Balance Sheet

Pros:

  • There are more short-term assets than short-term liabilities on the SER balance sheet.
  • There are more short-term assets than long-term liabilities on the SER balance sheet.
  • SER has cash burn of 18285000. It has sufficient cash and short-term investments to cover this for at least one year.
  • Total SER debt is lower than 5 years ago, relative to shareholder equity.

Cons:

  • SER has $24.53M in cash and short term investments. This is not sufficient to cover its annual cash burn of $18.29M.
  • SER has a relatively high debt to equity ratio of 0.55.
  • SER profit margin has gone down from -1,841.2% to -16,583.1% in the past year.

You can dive deeper into what analysts are forecasting on the Serina Therapeutics stock forecast page.

SER Trading Indicators

SMA10
1.67
SMA20
1.77
SMA50
1.93
SMA100
2.1
SMA200
3.35
MACD
-0.11
MACD Signal
-0.09
MACD Histogram
-0.02
RSI
42.2
Stochastic %K
21.97
Stochastic %D
28.38
StochRSI %K
37.38
StochRSI %D
40.72

SER Growth Numbers

Last year, SER revenue was $130.00k. Over the last five year, SER's revenue has increased by -16.9% per year. This was slower than the Biotechnology industry average of 29.7%.

Find out more about SER's earnings and revenue performance here.

Latest Insiders Trades at SER

In the past year, executives and large shareholders at SER have bought more shares than they have sold.

Gregory Bailey, Director of SER, was the latest SER insider to buy. They bought $115,753.98 worth of SER shares on Mar 31, 2026.

Get more info about who owns SER stock here.

Does SER provide a stable income stream?

No, Serina Therapeutics doesn't provide an income stream by paying out dividends.

Get analysis from other investors

One of the major reasons eToro is our favorite brokerage is because of its social trading community.

Click below to see what other investors have to say.

Step 5: Execute your SER trade

There are two primary options:

  • Market order: A market order is an order to buy or sell a security at the best possible price.
    Market orders are generally fine.
  • Limit order: A limit order allows you to buy or sell a security at a specific price (or better).
    If you want to be sure you're buying or selling at a given dollar amount limit, place a limit order.

Click the Open Trade button and your broker will execute the order.

If you require additional info about buying stocks on eToro, click the helpful video below:

Open eToro Account

Step 6: Keep an eye on your investment in SER

Now that you own some SER shares, you'll want to keep up with your new investment.

Add SER to a watchlist to get the latest updates about your SER stock.

SER Feed

How to Buy Stock in Serina Therapeutics

To reiterate, here are the 6 steps to buy stock in Serina Therapeutics:

  1. Decide where to buy Serina Therapeutics stock
  2. Sign up for your brokerage account
  3. Deposit money your brokerage account
  4. Research Serina Therapeutics stock
  5. Execute your SER trade
  6. Keep an eye on your investment in SER

If you require a online brokerage, eToro is our recommended venue.

Get Started with eToro Today
eToro is a multi-asset investment platform. The value of your investments may go up or down. Your capital is at risk.

If you would like to keep an eye on your new investment in Serina Therapeutics, create your watchlist below.

NYSEMKT: SER
$1.61+0.10 (+6.62%)
Updated May 19, 2026
Open eToro Account
Your capital is at risk.
NYSEMKT: SER
$1.61+0.10 (+6.62%)
Updated May 19, 2026
Open eToro Account
Your capital is at risk.

FAQ

How much does it cost to buy one Serina Therapeutics share?

As of May 19, 2026, it costs $1.61 to buy one share of Serina Therapeutics stock.

Remember, eToro's fractional share buying allows you to buy partial shares of stocks and ETFs. Even if you only have $0.81, you can buy 0.5 shares of SER.

Get Started with eToro Today
eToro is a multi-asset investment platform. The value of your investments may go up or down. Your capital is at risk.

What is the best way to buy Serina Therapeutics stock?

One way to place an order for Serina Therapeutics stock is with a brokerage account.
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.

Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.