Sentry is an open-source application monitoring and error-tracking platform for developers and software teams. It helps detect, diagnose, and resolve software issues faster, and serves 90K organizations globally.
Access to pre-IPO shares is available to accredited investors through UpMarket.
Sentry shares are not on public exchanges. UpMarket provides accredited investors access through secondary market transactions.
Confirm eligibility under SEC Rule 501 of Regulation D. Income or net worth threshold applies.
Complete KYC/AML onboarding. Typically 1–2 business days. Licensed rep assigned on signup.
Full offering memoranda and risk disclosures provided before any commitment is required.
Review and sign subscription agreement. All documents handled digitally through the platform.
Wire transfer or ACH. $50K minimum. Funds held in custodial account until close.
Pre-IPO investments are illiquid, speculative, and involve risk of total loss of capital.
| Date | Round | PPS (split-adj.) | Valuation |
|---|---|---|---|
| Feb 2024 | Debt Financing | ||
| 2023 | Series E | ||
| Feb 2021 | Series D | $1B |
Sentry announced a $60 million Series D led by Accel with participation from NEA and BOND. The company said the round valued it at $1 billion and brought total funding to $127 million.
Clay’s funding dossier says Sentry has raised $217 million across six funding rounds. The same dataset lists a current valuation of $3 billion, implying substantial market expansion since its 2021 Series D.
In its Series D announcement, Sentry described itself as the market leader in application monitoring. The release ties that position to investor support from Accel, NEA, and BOND in a $60 million round.
Interested in Sentry stock? Fill out the form above or sign up directly. Subject to availability. Accredited investors only.
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No. As of March 2026, Sentry is a private company and does not trade on any public stock exchange. Accredited investors can access Sentry shares through UpMarket, a FINRA-registered broker-dealer that specializes in pre-IPO investments.
Sentry does not have a public stock price because it is privately held. The most recent known share price comes from its last funding round. Pre-IPO share prices on the secondary market may differ from the last round price depending on supply, demand, and market conditions.
Yes. Accredited investors can indicate interest in Sentry shares through UpMarket by filling out the form on this page or creating an account at upmarket.co. All pre-IPO offerings are subject to availability and require a $50,000 minimum investment. UpMarket is a FINRA-registered broker-dealer and has brokered more than $500M in alternative investments since 2019.
Pre-IPO investments carry significant risks. Sentry shares are illiquid, meaning there is no public market to sell them quickly. There is no guaranteed exit timeline or return. The investment is speculative in nature, and investors should be prepared for the possibility of total loss. Valuations of private companies can fluctuate substantially between funding rounds. Investors should consult their financial advisor and review all offering documents before investing.
In a pre-IPO transaction, accredited investors purchase shares from existing shareholders (such as employees, early investors, or other holders) through secondary market platforms. The company itself does not issue new shares in these transactions. UpMarket facilitates these trades as a FINRA-registered broker-dealer, handling compliance, documentation, and settlement on behalf of both parties.
There are two primary exit paths for pre-IPO holdings: selling your shares on the secondary market to another buyer, or holding until the company completes an IPO or is acquired. Both paths are subject to transfer restrictions, company approval (right of first refusal), and market conditions. The timing of any exit is unpredictable, and investors should plan for a multi-year holding period.
The minimum investment for most pre-IPO offerings on UpMarket is $50,000. This amount may vary depending on the specific offering and share availability. There are no fees to create an UpMarket account or browse available investments. Investors only pay transaction-related fees when they complete an investment.
UpMarket's valuation estimate of is derived from a proprietary model that incorporates multiple data sources: funding round data (Caplight), revenue estimates (Sacra), secondary market pricing, and public company comparables. The model applies a private company discount to the public comp multiple to account for illiquidity and information asymmetry. This estimate is not investment advice and may differ substantially from the price at which shares actually trade.
Sentry’s open-source application monitoring and error-tracking platform helps developers detect, diagnose, and resolve software issues faster, and raised $60M at a $1B valuation in its Series D — accredited investors can access Sentry stock through UpMarket.