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Proof

Proof is a transaction management platform offering identity verification, e-signature, and online notarization to secure digital business transactions.

Secondary Market Price

Updated: 
Jan 2026
Current Preferred Price
Date:
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Prospect Projected Preferred
Current FMV
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Prospect Projected FMV
$1.2B
Company Valuation
Updated: 
Jan 2026
Cybersecurity
Industry
Boston, MA
Headquarters
2015
Year Founded
410+
Employee Count

How Proof Measures Up

To help you manage your Proof equity, Prospect has run the company through our machine learning model.

Prospect Rating

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This rating reflects our belief in this company's potential to grow to that many times its current value in 4 years. For an employee with stock, this rating suggests a potential return on equity, but it also comes with some risk.

Exit Risk

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Our rating is a reflection of the likelihood of this company achieving a liquidity event for its employees based on the quality of investors, funding stage, founders, and more.

Funding Stage

Series D

A company’s funding stage reflects how established it is, how quickly it is scaling, and the average impact an employee may have when joining.

Est val $1.2B
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Jan 28, 2026

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Prospect Projected Future Proof Prices

Prospect’s machine learning model has been trained on the same data top-tier investors use to project the likely range of outcomes for Proof's equity. Create a free account to view 10th-90th percentile projections over 2, 4, and 6 years.

Powerful tools to earn more from your equity

Company Description

Proof is a software company that provides a transaction management platform focused on identity verification. Headquartered in Boston, MA, the company offers services including online notarization, e-signature, and fraud prevention to industries like real estate, automotive, finance, and HR. More than 7,000 businesses use its platform. The company was founded in 2015 by Pat Kinsel and was originally known as Notarize, focusing primarily on e-notary services before expanding its offerings.

The company is expanding its application in various sectors; for instance, Auto Approve integrated Proof into its customer portal for real-time visibility, and credit unions have adopted its products to reduce fraud. Recent developments include a funding round with State Farm Ventures as an investor and CEO Pat Kinsel joining TechNet’s Executive Council. The company also participates in industry discussions, such as hosting a webinar on fraud in the retirement industry and collaborating on topics like candidate fraud in hiring.

Proof Notable Investors

  • State Farm Ventures
  • Canapi Ventures
  • Camber Creek
  • Polaris Partners
  • Lennar Corporation

Proof Founders

  • Co-Founder, Pat Kinsel
  • Co-Founder, Adam Pase

Peer Group Comparison

Vs Peer Group of >$4B Startups

Frequently Asked Questions

Is Anduril worth joining?

Joining Anduril as an employee is another way to acquire equity, typically through stock options included in compensation packages.

Is Proof worth joining?

Deciding whether to join Proof requires evaluating its business fundamentals, culture, and the specifics of your compensation package. Tools like Prospect can help you analyze the potential value of your equity stake to make a more informed career decision.

What should I do with my Proof stock?

Managing your Proof stock involves creating a strategy that aligns with your financial goals, which includes deciding when to exercise options and when to sell. Platforms like Prospect offer customized strategies for exercising options and selling shares to help maximize your post-tax returns.

Can you sell Proof stock?

As a private company, selling Proof stock is generally restricted to specific liquidity events like tender offers or secondary market sales, which are not always guaranteed. Tools from Prospect can help you navigate these opportunities by providing data and strategies for when and how much to sell.

How can I find the value of my Proof stock?

The value of private stock like Proof's is typically based on its latest 409A valuation or the price from a recent funding round. For a more forward-looking estimate, Prospect uses predictive models to help forecast your equity's potential future value.

What is Proof's equity worth?

The total worth of Proof's equity is tied to its overall company valuation, which is determined during events like fundraising rounds. To understand what your specific holdings might be worth, you can use platforms like Prospect to model different financial scenarios based on valuation projections.

What is Proof's stock ticker symbol?

As a private, pre-IPO company, Proof does not have a stock ticker symbol because its shares are not traded on a public exchange. A ticker symbol will only be assigned if and when the company decides to go public through an IPO.

Can I buy or sell Proof stock?

Buying stock in a private company like Proof is typically limited to employees receiving equity or accredited investors in specific funding rounds. Selling is also restricted, usually only possible during company-approved liquidity events like a tender offer or secondary sale.

What is the criteria to buy or invest in Proof stock?

To invest in a private company like Proof, you typically need to be an accredited investor, meeting specific income or net worth thresholds defined by regulators. Alternatively, employees can acquire stock as part of their compensation without needing to meet these investor criteria.

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