The brother-in-law, a Trump appointee, sold between $97,000 and $280,000 worth of stock. Burr is under federal investigation over whether he traded on non-public information gathered through his work in the Senate.
The Republican of North Carolina, who is under investigation for his stock trading, regularly flips health care stocks even as he pushes for legislation to help the industry.
The investigation comes after ProPublica reported that the North Carolina lawmaker unloaded a significant portion of his total stock holdings before the coronavirus sell-off in the stock market.
After ProPublica’s report that Richard Burr dumped stocks after reassuring the public about coronavirus readiness, he said he welcomed an ethics investigation.