what changes were made to rule 105b 1 
in december 2022 the sec adopted amendments to the rule that increase disclosure requirements and add conditions to the use of the affirmative defense to insider trading liability including a cooling off period before trading can begin the bottom linerule 10b5 1 allows insiders to sell company stock by setting up a predetermined plan that specifies in advance the share price amount and transaction date the insider selling the stock and the broker carrying out the transaction must certify that they are not aware of any material nonpublic information mnpi 