AVTR - Avantor 8.6M-share block reportedly up for offer January, 07 2020 06:40 PM Avantor Inc. Avantor (NYSE:AVTR) is 2.5% lower postmarket alongside news that a block of 8.6M shares are coming up for offer.More news on: Avantor, Inc., Healthcare stocks news, Stocks on the move, Read more ...