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Sentry

Sentry provides application monitoring software with tools for error monitoring, session replay, tracing, profiling, release tracking, and performance monitoring.

$21.29

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
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Company Valuation
Updated: 
Jan 2026
Software
Industry
San Francisco, CA
Headquarters
2012
Year Founded
400+
Employee Count

How Sentry Measures Up

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

Prospect Rating

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 E

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.

$21.29
Est val --
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Jan 13, 2026

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Prospect Projected Future Sentry 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 Sentry'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

Sentry, legally known as Functional Software, Inc., develops application monitoring software that provides solutions for error monitoring, session replay, performance monitoring, and release tracking. The company's tools are used by over 4 million developers across 100,000 organizations in sectors that include gaming, AI, IoT, and security. Founded in 2011 by David Cramer and Chris Jennings, Sentry is headquartered in San Francisco and has offices in Seattle, Vienna, and Toronto. The company has raised $126.5 million in total funding, with its most recent round being a $90 million Series E in June 2022.

The company is exploring the role of artificial intelligence in the developer workflow, hosting discussions with leaders from Adobe and Unity on topics like AI-assisted debugging and future expectations for engineering teams. Recent product developments include the release of its Unity SDK 4.0.0, which introduced support for gaming consoles, structured logs, and user feedback features. In a recent customer case study, pool management software company Skimmer reported improved issue resolution and growth after implementing Sentry's platform.

Sentry Notable Investors

  • Accel
  • New Enterprise Associates
  • BOND
  • K5 Global

Sentry Founders

  • Co-Founder, David Cramer
  • Co-Founder, Chris Jennings

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 Sentry worth joining?

Deciding to join a private company like Sentry requires evaluating your entire compensation package, including the potential future value of its stock options. Tools like Prospect can help you model your equity's potential value to make a more informed career decision.

What should I do with my Sentry stock?

Managing private stock involves complex decisions around exercising options, minimizing taxes, and timing sales. Platforms such as Prospect provide personalized strategies and tax-optimization tools to help you maximize the value of your Sentry equity.

Can you sell Sentry stock?

As Sentry is a private company, you can typically sell shares only during specific liquidity events like tender offers or on secondary markets. Prospect offers tools to help you navigate these sales and identify which shares are the most tax-optimal to sell.

How can I find the value of my Sentry stock?

Valuing private stock can be challenging, but there are resources to help you estimate its worth. You can use a platform like Prospect, which leverages predictive models and secondary market data to project your equity's future value.

What is Sentry's equity worth?

The precise value of Sentry's private equity changes based on its latest 409A valuation and demand in private markets. To understand what your specific holdings might be worth after taxes, you can use tools from Prospect to model different financial scenarios.

What is Sentry's stock ticker symbol?

Because it is a private company, Sentry does not have a stock ticker symbol and its shares are not traded on public exchanges. A ticker symbol is only assigned when a company goes public through an initial public offering (IPO).

Can I buy or sell Sentry stock?

Selling private Sentry stock is generally possible during company-approved tender offers, while buying shares is typically restricted to accredited investors or employees exercising their options. Platforms like Prospect can help you optimize the tax implications and timing of selling shares or exercising options you already hold.

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

Investing in a private company like Sentry is usually limited to accredited investors or employees who receive equity as part of their compensation. If you are an employee, Prospect can provide personalized guidance on how to best manage your equity based on your financial goals.

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