As part of an ongoing insider-trading probe, federal officials are subpoenaing Dean Foods for information on activist investor Carl Icahn, golfer Phil Mickelson and sports bettor William Walters, according to a Wall Street Journal report citing people familiar with the matter.
A Dean Foods spokesman declined to comment, other than to say, "We are reviewing this matter, and our practice is to offer our full support to any government investigation." Clorox declined to comment.
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—Ryan Ruggiero contributed to this report.