IST Shareholder Services is a transfer agent firm based in Chicago, Illinois, USA that ist shareholder services was the trade name of illinois stock transfer company, a us transfer agent registered with the sec under file number 084-00115 (cik 49824) and based in chicago, illinois. it provided shareholder recordkeeping, certificate transfer, and paying agent services. in 2014 the sec brought a fraud enforcement action over misappropriation of more than us$1.3 million of client funds and obtained an asset freeze and a receiver, after which american stock transfer and trust acquired its assets. the firm withdrew its sec transfer agent registration through a form ta-w filed 2015-03-19. They serve clients in US. IST Shareholder Services is listed on The Token Playbook's vetted provider registry at thetokenplaybook.com/registry/ist-shareholder-services.