Confirmed: tickets can be transferred among team members. So if you have a company account it's time to promote everyone in your company to developer status ...

Quote from https://developer.apple.com/wwdc/more/: "Tickets may not be sold, resold, bartered, auctioned, or transferred in any way. As an exception to the foregoing, requests to transfer tickets among eligible team members may be submitted to Apple for consideration at wwdc@apple.com. Apple reserves the right to reject any transfer requests."