Convoy, the Seattle-based freight startup that shut down last week, is being sold, according to a former Convoy employee familiar with the deal.

Last week, customers at the UPS Store in Seattle’s Interbay neighborhood got a pretty good demonstration of what the global supply chain looks like when you try to run it backward.

On Feb. 5, officials with the Northwest Seaport Alliance, the joint venture between the ports of Seattle and Tacoma, unveiled a tentative deal with Seattle-based Stevedoring Services of America Terminals, one of the world’s largest terminal operators, to manage a planned “big ship” loading facility on Terminal 5, just west of Harbor Island.