Perrigo Formulation Scientist interview questions

First call with Hiring manager for 30 mins- where you get insights of company, position you’re working on, salary, interview panel. Next I had call with technical manager- for about an hour with more insights on formulation,technical questions, (almost waited for about 3 weeks to know if I’m qualified for next series of interviews) followed by series of interviews group of people that interview lasted for about 5 hours in total including of presentation on topic of your choice.