Lightning AI stock

Private-market facts for current and former Lightning AI employees researching their stock.

Latest Round
Series B
Valuation
Not publicly disclosed
Founded
2019
Headquarters
New York, NY
Founders
William Falcon
Status
private

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Overview

Lightning AI develops the PyTorch Lightning framework and a cloud platform for building, training, and deploying AI models at scale.

Lightning AI outlook

Equity outlook90% data confidence
1x
Base scenario
3x
Upside scenario

For employees evaluating Lightning AI equity, a 1x base multiple suggests the stock may be close to fairly valued at current prices. The upside scenario at 3x is relatively close to the base case, suggesting more predictable but narrower range of outcomes.

These estimates reflect modeled return scenarios, not guaranteed outcomes. Actual results depend on company performance, market conditions, share class, and timing.

Illustrative model · v1.0.0 · Not investment advice

Selling Lightning AI shares

Why shareholders consider selling

Shareholders in Lightning AI may explore liquidity for a number of reasons — diversifying a concentrated position, funding a personal financial goal, or simply reducing exposure to a single private holding. As a private company, Lightning AI does not trade on a public exchange, meaning employees and early shareholders cannot simply sell through a brokerage. Extended private timelines can leave shareholders waiting years for an exit event, which is why some choose to explore secondary-market options.

Can you sell Lightning AI stock?

Whether a shareholder can sell typically depends on what they hold and how it was acquired. Vested and exercised shares are generally more straightforward than unexercised options or unvested RSUs. Most private companies, including those in the Artificial Intelligence sector, impose transfer restrictions such as rights of first refusal or board approval requirements. The specific terms governing Lightning AI shares would be outlined in the holder's equity agreement or the company's governing documents.

What affects the value of Lightning AI shares?

The price a buyer is willing to pay for private shares is shaped by several factors: overall demand for the stock, the company's financial performance, broader Artificial Intelligence market conditions, and any recent private-market transaction activity. Data points such as the company's Series B round can help frame expectations, though they do not guarantee a transaction price.

What should holders check before selling

  • The type of security held (common shares, preferred, options, RSUs)
  • Whether the equity is fully vested and, for options, whether it has been exercised
  • Any transfer restrictions, lock-up provisions, or company approval requirements
  • Estimated net proceeds after applicable taxes and transaction fees
  • Whether partial liquidity — selling a portion rather than the full position — may be a better fit

Tools for Lightning AI shareholders

Exploring equity in Lightning AI often raises questions about taxes, exercise timing, valuation, and exit outcomes. These tools can help you model different decisions using your own assumptions.

Latest funding round

Lightning AI most recently raised a Series B round . Total funding raised to date is approximately $58M.

Lead investors in this round include Index Ventures.

Founders & company background

Lightning AI was founded in 2019 by William Falcon and is headquartered in New York, NY.

Investors

Industry

Similar private companies

Latest Lightning AI news

Talk to a Lightning AI stock specialist

Get personalized guidance on your Lightning AI shares — including current market activity, pricing context, and liquidity options.

Speak with an expert

Frequently asked questions

Is Lightning AI still a private company?
Yes, Lightning AI is currently a private company.
What is Lightning AI's latest funding round?
Lightning AI's most recent known round is Series B.
What is Lightning AI's valuation?
Lightning AI's valuation has not been publicly disclosed.
Who are the investors in Lightning AI?
Notable investors include Index Ventures.
Can I sell my Lightning AI stock?
Private company shares can sometimes be sold on secondary markets. Speaking with a specialist who understands Lightning AI stock can help you evaluate your options.

Related pages

Last verified: 2026-04-13 · Lightning AI data compiled from funding disclosures, investor announcements, corporate filings, and public records.

Information on this page is compiled from publicly available sources and may be outdated or incomplete. This is not investment advice. Consult a qualified advisor before making financial decisions.