The domain name Solo.com just sold for $133,000 on Sedo.com
The domain name originally registered in 1994 has been under privacy for years.
Back when it was not under privacy the W7 Media Inc was the registered owner of the domain back in 2007 according to DomainTools.com
According to their site:
“W7 Media invests heavily in intellectual property, namely domain names and provides a number of IP related services to its corporate clients.”
They are located in Blaine, WA
So they could be the seller
The domain name is currently in Sedo escrow.