Sabin contributed $55,000 this year to a pro-DeSantis PAC, Friends of Ron DeSantis, which supported the Florida governor's successful bid for reelection, according to state campaign finance records.
Trump, meanwhile, has scheduled a primetime announcement Tuesday night, heavily hinting that it will be his presidential campaign launch.
Trump also endorsed dozens of winning House candidates, but many of those Republicans were in firmly red districts without a serious competitor.
Ross hosted a fundraiser for Trump at his Hamptons home in 2019 to raise money for Trump's campaign and the Republican National Committee.
While Levine didn't personally donate to Trump's races, he helped raise campaign cash for several other candidates Trump endorsed in the last cycle.