The governor’s campaign reported the gift from Peachtree Trust, one of four million-dollar donations Abbott received in June, in a new filing. But the campaign did not include any information on who is involved in the trust – which experts said could be a violation of campaign finance rules.

The trust did not appear to be publicly registered in Texas, and the governor’s campaign finance report only said that it was based in West Lake Hills. The donation appears to be the trust’s first-ever to a Texas official.

In response to questions from Hearst Newspapers, the campaign said the gift was from Gebbia and that it was filing an updated campaign finance report to disclose his identity.

It is unclear why Gebbia donated under the trust. Gebbia has given to Abbott under his own name before, including giving $1 million to the governor last year.