4th of July Box Office a Major Dud as Newcomers Fail to Ignite “Transformers: Age of Extinction” topped Friday's fizzled July 4 box office, as potential moviegoers found their fireworks elsewhere. The holiday is running nearly 40 percent behind last year, when “Despicable Me 2,” “The Long Ranger” and “The Heat” drove a $223 million weekend. The primary culprit was the calendar.