The tech website Gizmodo has been sold to a European media company, the latest brand from the publisher G/O Media to go out the door.

The buyer is Keleops Media, Jim Spanfeller, G/O Media’s chief executive, told the staff in an email on Tuesday. Mr. Spanfeller did not disclose the financial details of the sale, but said that it represented “a substantial premium from our original purchase price for the site.” A G/O Media spokesman declined to comment.