https://www.pfizer.com/news/hot-topics/an_open_letter_from_pfizer_chairman_and_ceo_albert_bourla
https://www.google.com/search?client=safari&rls=en&q=Pfizer+CEO&ie=UTF-8&oe=UTF-8
https://www.cnn.com/2020/11/11/investing/pfizer-ceo-albert-bourla-stock-sale-vaccine/index.html