 CRYSTAL LAKE, Ill.--BUSINESS WIRE--AptarGroup, Inc. NYSE:ATR, a global leader in drug delivery, consumer product dispensing and active material science solutions, today reported first quarter results for 2021. First Quarter 2021 Summary Reported sales grew 8; core sales excluding acquisitions and currency effects increased 1 Strong demand for our innovative food dispensing closures, the passing through of resin costs and currency effects drove double digit growth in reported sales and c 