What Is Regulation M?

Regulation M, which was adopted in 1996, is designed to prevent market manipulation by participants in a securities offering by regulating certain activities.  In general, Regulation M restricts distribution participants (underwriters, placement agents and their affiliates), issuers, selling security holders and their affiliates, from bidding for, purchasing, or attempting to induce other to bid for or purchase, certain securities during an applicable restricted period.  Regulation M also prohibits any person that has sold short a security that is the subject of a registered offering from purchasing securities in the offering from an underwriter, or broker or dealer participating in the offering if the short sale took place during a specified period prior to the pricing of the registered offering.

Although a large part of Regulation M relates to underwriter and broker dealer conduct and due diligence obligations, it is helpful for issuers and selling security holders to understand the rules as pertains to them.  Regulation M consists of six