Aileron Therapeutics Inchttps://pcaobus.org/form-ap-filings/38737/38737Aileron Therapeutics Inc387374/11/2019 8:12:37 AM2018fa847d1d-281d-421f-b4e7-55e20f6f98a8238PricewaterhouseCoopers LLP409193Aileron Therapeutics Inc1420565ALRN0023800798Karen L Pfeil0023800798True
PROTEOSTASIS THERAPEUTICS, INC.https://pcaobus.org/form-ap-filings/36824/36824PROTEOSTASIS THERAPEUTICS, INC.368243/26/2019 3:38:10 PM20184755c8d6-4138-4ae7-a916-6cdc75b971ec238PricewaterhouseCoopers LLP434314PROTEOSTASIS THERAPEUTICS, INC.1445283PTI0023800798Karen L Pfeil0023800798True