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Promise Stock (PROM)
PromisePay provides a modern payment processing platform built for utilities and government agencies.
About Promise Stock
Founded
2017
Headquarters
Oakland, CA, US
Industries
Software, Artificial Intelligence, Data and Analytics
Promise Press Mentions
Stay in the know about the latest news on Promise
AI film school trains next generation of Hollywood moviemakers
cyprus-mail • Feb 21, 2026
Laid-off VFX artist finds new path through AI training
taiwansun • Feb 19, 2026
AI film school trains next generation of Hollywood moviemakers
indianexpress • Feb 15, 2026
AI film school trains next generation of Hollywood moviemakers
investing • Feb 14, 2026
AI film school trains next generation of Hollywood moviemakers
channelnewsasia • Feb 14, 2026
Promise Management
Leadership team at Promise
Co-founder
Diana Frappier
Co-founder & CEO
Phaedra Ellis-Lamkins

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Trading Promise Stock
How to invest in Promise stock?
Accredited investors can buy pre-IPO stock in companies like Promise through EquityZen funds. These investments are made available by existing Promise shareholders who sell their shares on our platform. Typically, these are early employees who need to fund a life event – house, education, etc. Accredited investors are then offered the opportunity to invest in this stock through a fund, like those used by hedge funds serving large investors. While not without risk, investing in private companies can help investors reach goals of portfolio diversification, access to potential growth and high potential return. Learn more about our Guided Investment process for buying Pre-IPO Shares.
How to sell Promise stock?
Shareholders can sell their Promise stock through EquityZen's private company marketplace. EquityZen's network includes over 430K accredited investors interested in buying private company stock. Learn more about the Shareholder liquidity process.
If I invest, how do I exit my investment?
There are two ways to exit your private company investment on EquityZen's marketplace. The first is if the company has an exit event like an IPO, merger or acquisition. In that case, we will distribute the shares and/or cash to you directly. The second way is through an Express Deal on EquityZen, if eligible. An Express Deal allows you to sell your allocation of private shares in a given private company to another investor on EquityZen's marketplace. See more information on Express Deals and pre-IPO exit information.
Why choose EquityZen?
Since 2013, the EquityZen marketplace has made it easy to buy and sell shares in private companies. EquityZen brings together investors and shareholders, providing liquidity to early shareholders and private market access to accredited investors. With low investment minimums through our funds and with more than 52K private placements completed across 450+ companies, EquityZen leads the way in delivering "Private Markets for the Public."




