Equiniti / AST is a transfer agent firm based in New York, New York that equiniti trust company, llc (eq) is an sec-registered stock transfer agent and a new york state-chartered limited liability trust company. it was formerly named american stock transfer & trust company (ast); after equiniti group and ast were combined under siris capital ownership in 2021, the surviving entity was renamed equiniti trust company in 2023. eq provides transfer agency and registrar services, dividend disbursement, proxy and shareholder engagement, employee plans and private company solutions, and the ast brand now redirects to eq. in 2024 the sec charged eq over internal control and cybersecurity failures tied to 2022 and 2023 cyber intrusions, and it paid a civil penalty of 850,000 dollars. in may 2025 eq completed its acquisition of notified. They serve clients in United States. Equiniti / AST is listed on The Token Playbook's vetted provider registry at thetokenplaybook.com/registry/equiniti-ast-eqast-50d76489.