Just sold "inkpositive.com" -- I get the feeling it was bought by a larger company

A few weeks ago I got an email asking if I was interested in selling one of my idle domain names -- inkpositive.com. "Sure," I said, and named a price that covered the hour of time it would take me to transfer the domain. The subsequent process (contract, escrow.com, "I can't tell you who my associate is...") makes me think I could have asked for a couple more hours worth of revenue...