(Bloomberg) -- Convoy Inc., a Seattle-based trucking startup whose investors include Jeff Bezos and Bill Gates, is closing down its business after a four-month search for an acquirer failed, its founder and Chief Executive Officer Dan Lewis told employees in memo Thursday informing them, “Today is your last day at the company.”Most Read from BloombergWhere Does Israel Get Its 220,000 Barrels of Oil Every Day?Biden’s Influence Turns Israel's Ground War Plans Into ‘Something Different’Here’s What