GrayMatter Robotics stock

Private-market facts for current and former GrayMatter Robotics employees researching their stock.

Latest Round
Series B
Valuation
Not publicly disclosed
Founded
2019
Headquarters
Los Angeles, CA
Founders
Ariyan Kabir, Brual Shah
Status
private
Employees
132 +31% YoY
Total Raised
$55M

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Overview

Develops AI-powered robotic systems that automate surface finishing tasks like sanding, polishing, and coating in manufacturing.

Selling GrayMatter Robotics shares

Why shareholders consider selling

Shareholders in GrayMatter Robotics 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, GrayMatter Robotics 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 GrayMatter Robotics 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 Robotics & Automation sector, impose transfer restrictions such as rights of first refusal or board approval requirements. The specific terms governing GrayMatter Robotics shares would be outlined in the holder's equity agreement or the company's governing documents.

What affects the value of GrayMatter Robotics 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 Robotics & Automation 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

Tools for GrayMatter Robotics shareholders

Exploring equity in GrayMatter Robotics 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

GrayMatter Robotics most recently raised a Series B round . Total funding raised to date is approximately $55M.

GrayMatter Robotics funding history

Grant 2020
$0M
Seed Round 2021
$4M
Grant 2021
$1M
Series A 2022
$20M
Series B 2024
$45M
Date Round Amount Lead investors
Jun 2024 Series B $45M Wellington Management
Aug 2022 Series A $20M Bow Capital
Oct 2021 Grant $1M National Science Foundation
Sep 2021 Seed Round $4M Stage Venture Partners, Calibrate Ventures
Aug 2020 Grant $256000 National Science Foundation

GrayMatter Robotics IPO & exit outlook

GrayMatter Robotics has not announced a confirmed IPO date or acquisition. At the Series B stage, most companies are still years away from a public listing or acquisition.

For employees holding equity, the timeline to liquidity is uncertain. Options to consider include:

Read our liquidity guide for a full comparison of paths to liquidity.

Founders & company background

GrayMatter Robotics was founded in 2019 by Ariyan Kabir, Brual Shah and is headquartered in Los Angeles, CA.

Industry

Similar private companies

Latest GrayMatter Robotics news

HII Launches HYPR Program with Path Robotics and GrayMatter Robotics to Accelerate Production at Scale
HII Launches HYPR Program with Path Robotics and GrayMatter Robotics to Accelerate Production at Scale
NATIONAL HARBOR, Md., April 20, 2026 (GLOBE NEWSWIRE) -- At the U.S. Navy League Sea-Air-Space Expo 2026, HII (NYSE: HII), together with Path Robotics and GrayMatter Robotics, introduced the High-Yield Production Robotics (HYPR) program. The program seeks to leverage a network of emerging physical AI technologies from Path Robotics and GrayMatter Robotics to rapidly accelerate advanced, adaptive automation solutions in the fabrication process of both crewed and uncrewed naval platforms.
The Manila TimesApr 20, 2026
What's Going On With Huntington Ingalls Stock Tuesday?
What's Going On With Huntington Ingalls Stock Tuesday?
Huntington Ingalls partners with GrayMatter Robotics to integrate AI into shipbuilding and boost efficiency and throughput.
BenzingaApr 7, 2026
HII Teams with GrayMatter Robotics to Integrate Physical AI into Manned and Unmanned Shipbuilding
HII Teams with GrayMatter Robotics to Integrate Physical AI into Manned and Unmanned Shipbuilding
CARSON, Calif., April 06, 2026 (GLOBE NEWSWIRE) -- HII (NYSE: HII) and GrayMatter Robotics (GMR) signed a memorandum of understanding (MOU) today to explore the integration of GMR’s Physical AI into shipbuilding operations that could accelerate throughput, strengthen the maritime industrial base, and augment the shipbuilding workforce. This will include bringing autonomous surface preparation, coating, and inspection technologies into shipbuilding. The MOU signing ceremony took place at GrayMatter Robotics’ headquarters and was attended by Eric Chewning, HII’s executive vice president of maritime systems and corporate strategy, and Ariyan Kabir, GrayMatter Robotics CEO and co-founder.
The Manila TimesApr 7, 2026

Talk to a GrayMatter Robotics stock specialist

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

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Frequently asked questions

Is GrayMatter Robotics a public or private company?
GrayMatter Robotics is a private company as of the most recent data available. Its shares do not trade on a public stock exchange. Employees and early shareholders who want liquidity may need to explore secondary-market options or wait for a future IPO or acquisition.
What is GrayMatter Robotics's valuation?
GrayMatter Robotics's valuation has not been publicly disclosed. Private company valuations are typically set during funding rounds and are not always reported publicly.
What is GrayMatter Robotics's stock price per share?
GrayMatter Robotics does not trade on a public exchange, so there is no single live stock price. Indicative pricing may be available through secondary-market platforms. The most recent known valuation data can help frame expectations, but common shares typically trade at a discount to the headline preferred-stock valuation.
When will GrayMatter Robotics IPO?
GrayMatter Robotics has not announced a confirmed IPO date. IPO timing depends on market conditions, company financials, and board decisions. Employees should plan around the possibility that liquidity may take years and consider whether secondary-market options or company-sponsored tender offers are available in the interim.
Can I sell my GrayMatter Robotics stock?
It depends on what you hold and your company's policies. Vested, exercised shares are generally eligible for secondary-market sales, subject to GrayMatter Robotics's transfer restrictions and right of first refusal (ROFR). Unexercised options and unvested RSUs typically cannot be sold. Some companies also run periodic tender offers that allow employees to sell a portion of their holdings at a set price. Check your equity agreement or speak with your stock plan administrator for GrayMatter Robotics-specific rules.
How much does it cost to exercise GrayMatter Robotics stock options?
The out-of-pocket cost equals your strike price multiplied by the number of shares you exercise. For ISOs, exercising may also trigger the Alternative Minimum Tax (AMT) based on the spread between your strike price and the current fair market value. For NSOs, the spread is taxed as ordinary income at exercise. Use our AMT Calculator and Stock Option Tax Calculator to model the cost for your specific situation.
What type of stock options does GrayMatter Robotics grant — ISOs or NSOs?
Most venture-backed companies grant ISOs (Incentive Stock Options) to U.S. employees where possible, with NSOs (Non-Qualified Stock Options) used for amounts exceeding the $100K annual ISO limit, for contractors, or for non-U.S. employees. Your specific grant type is listed in your option agreement. The distinction matters because ISOs can qualify for long-term capital gains treatment, while NSOs are taxed as ordinary income at exercise. See our ISO guide and NSO guide for the full breakdown.
What happens to my GrayMatter Robotics stock if the company is acquired?
In an acquisition, your equity outcome depends on the deal structure and your grant terms. Common scenarios include cash-out (your shares are bought at a set price per share), rollover (your shares convert into the acquirer's equity), or cancellation with an acceleration clause. If you have double-trigger acceleration, your unvested shares may accelerate only if you are also terminated. The liquidation preference stack determines how proceeds are divided — preferred shareholders are paid first, which can reduce or eliminate the payout to common shareholders in lower-value exits.
What is the difference between common and preferred GrayMatter Robotics stock?
Employees typically hold common stock (or options on common stock). Investors hold preferred stock, which usually comes with a liquidation preference — meaning investors get paid first in an exit before common shareholders receive anything. This distinction is critical when estimating what your shares might actually be worth in an exit.
What happens to my GrayMatter Robotics options if I leave?
When you leave a company, you typically have a limited post-termination exercise window — often 90 days — to exercise your vested options or they expire worthless. Some companies offer extended windows (up to 10 years). Unvested options are forfeited. If you hold ISOs and don't exercise within 90 days of leaving, they convert to NSOs, which changes the tax treatment. Review your option agreement for GrayMatter Robotics's specific terms, and use our Exercise Timing Planner to model the financial tradeoffs.

Related pages

Last verified: 2026-05-28 · GrayMatter Robotics data compiled from funding disclosures, 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.