PTI - Proteostasis Therapeutics to merge with Yumanity Therapeutics August, 24 2020 07:55 AM Yumanity Therapeutics Inc Com Proteostasis Therapeutics (NASDAQ:PTI) and Yumanity Therapeutics Yumanity Therapeutics have entered into a definitive merger agreement.More news on: Proteostasis Therapeutics, Inc., Healthcare stocks news, Read more ...