Rule 10b-13

(redirected from Rule 10b13)

Rule 10b-13

An SEC rule prohibiting a company that has made a tender offer or an exchange offer for another company's stock or bonds from acquiring the stock or bonds by any other means until the offer expires. This rule exists to help ensure fair play in the market.

Rule 10b-13

An SEC rule that prohibits persons who make a tender or an exchange offer from acquiring the security from other sources until the offer has expired.