The U.S. (SEC has exposed a nefarious insider trading ring led by Roy Cook, a former board member of Tallgrass Energy LP. This scheme, which involved Cook and four of his close associates, capitalizes on confidential information ahead of a public takeover announcement by Blackstone Infrastructure Partners. The culprits have been ordered to cough up more than $2.2 million in a settlement that encompasses disgorgement, prejudgment interest, and hefty civil penalties.