140 Kendrick Street
Needham, MA 02494
Transfer Agenda Information
Please contact PTC's Transfer Agent, American Stock Transfer Company(AST), for all shareholder-related questions, including:
• Stock certificates
• Change of address
• Consolidation of accounts
• Transfer of ownership
• Other account matters
AST Shareholder Services:
Via Email: firstname.lastname@example.org
Via Phone: AST's Call Center is open Monday through Friday, 8AM to 8PM ET.
(800) 937-5449 or (718) 921-8124
•Teletypewriter for the hearing impaired:
Please submit your question using the form below.