BRIEF-Iamgold Files For Mixed Shelf Of Up To $1 Billion - SEC Filing By: Reuters: Company News March 14, 2018 at 14:59 PM EDT * IAMGOLD CORP FILES FOR MIXED SHELF OF UP TO $1 BILLION - SEC FILING Source text: (http://bit.ly/2tKmGMO) Further company coverage: Read More >> Related Stocks: IAMGOLD Corporation