Stock FAQs

I hold a stock certificate for International Mobile Machines Corporation (or InterDigital Communications Corporation). How do I change it to InterDigital, Inc.?
How do I make changes to my InterDigital account?
What is the CUSIP for InterDigital's Common Stock?
Does InterDigital pay a dividend?
When was InterDigital's initial public offering and what was the opening price?
Did InterDigital's stock trade under any symbols other than IDCC?
Do you have another question that hasn't been answered?