Transfer Agent Information

Please contact PTC's Transfer Agent, EQ also known as Equiniti (formerly known as AST), for all shareholder-related questions, including:

  • Stock certificates
  • Change of address
  • Consolidation of accounts
  • Transfer of ownership
  • Other account matters

EQ Shareholder Services:
(800) 937-5449
Outside US & Canada: (718) 921-8124(718) 921-8124

Call Center is open Monday through Friday, 8AM to 8PM ET.