AST Private Company Solutions Seals Alliance & Integration with Rialto Markets

Menlo Park, CA and New York, NY—February 09, 2023— AST Private Company Solutions, Inc. (AST PCS) and Rialto Markets LLC announce a new strategic alliance to provide primary market issuance capabilities and to facilitate a marketplace for investors to monetize their investments integrating Rialto Markets’ Alternative Trading System with AST PCS’s Astrella® platform.

Astrella was developed by AST PCS, the Silicon Valley-based business unit of global ownership data management leader Equiniti using transformative technology to build a cloud-based software-as-a-service (SaaS) platform. The solution brings together immutable audit trails, artificial intelligence (AI), and predictive analytics to support fast-growing private companies worldwide.  Astrella is built with an open API ecosystem to seamlessly integrate with leading secondary market providers like Rialto Markets.

“Rialto is thrilled to collaborate with Astrella to further enhance its offering to private companies by delivering premier cap table management services via Astrella. Rialto is committed to continuously improving operational efficiencies for private securities capital raising, investments, and trading. Partnering with Astrella further delivers these vital components of the private securities investment ecosystem,” states Shari Noonan, CEO and co-founder of Rialto Markets.

 AST PCS Head of Global Sales and Alliances Paul Arens adds, “We are delighted to join forces with Rialto Markets to provide our clients with access to the institutional marketplace for private capital. Immutable audit trails have the tremendous potential to improve market structure by enhancing transparency, streamlining workflows, and automating processes,” adding, “Astrella is the only provider with immutable audit trails in the management of the cap table and working together with Rialto Markets, Astrella allows issuers to manage and track the ownership history of each share from the time they are issued until exit.”

About Rialto Markets

Rialto Markets is a FINRA member Broker Dealer (Rialto Primary) and operates an alternative trading system (Rialto Secondary – Rialto MarketBoard™) for private securities including those issued as a Digital Asset Security. Rialto Primary supports companies issuing equity and debt securities through Reg A+, Reg CF, and Reg D exemptions. Rialto Markets is registered in all 50 states including those requiring a broker-dealer to issue Reg A+ securities.


Shari Noonan
Rialto Markets
[email protected] 

About AST Private Company Solutions, Inc.

Founded in 2019, AST PCS is an Equiniti affiliate serving private companies worldwide. Astrella, a cloud-based SaaS solution, allows private companies to manage their ownership data, including the cap table and employee equity plans, and connect directly with related service providers to support efficient workflow and access investors, advisors and employees. Visit