Philadelphia Stock Transfer is a transfer agent firm based in Ardmore, Pennsylvania that philadelphia stock transfer, inc. is a stock transfer agent based in ardmore, pennsylvania, founded in 2011 by robert winterle, previously a vice president at stocktrans. the firm focuses on small public and private companies, providing stock transfer, recordkeeping, corporate action processing and proxy services, and it appears as transfer agent and registrar in numerous sec filings (cik 1535872). in 2022 the company was acquired by securitize through its pacific stock transfer subsidiary, and robert winterle is now listed publicly as former president. They serve clients in United States. Philadelphia Stock Transfer is listed on The Token Playbook's vetted provider registry at thetokenplaybook.com/registry/philadelphia-stock-transfer.