In stock buybacks. Almost $100b in past 10 years. Could R&D with some of that money been productive to prevent future market loss and layoffs? We will never know. Keep looking.
Apparently company performance lags market when insiders and CEOs sell during buyback periods.
https://www.washingtonpost.com/business/economy/company-insiders-are-selling-stock-during-buyback-programs-and-making-additional-profits-when-stock-prices-jump-and-its-legal/2019/11/06/fc592f58-e493-11e9-a331-2df12d56a80b_story.html