Rule 415 Love Machine 15 years ago Rule 4151982 SEC rule allowing companies to register security issues and stagger sale of same securities over two years.Random Finance Terms for the Letter SRoll OverRolloverRound LotRound-Trip Transactions CostsRound-TurnRule 144aRunRule 415Recommended for you:Rule 144aRound-Trip Transactions CostsRolloverRound Lot