CEO David Gibbs Reduces Stake in Yum! Brands by Over 5,000 Shares David Gibbs, CEO of Yum! Brands, recently sold 5,293 shares of the company’s stock, valued at $816,392. This marks a 3.24% reduction in his ownership. Despite the sale, Gibbs retains a significant stake, holding 157,893 shares. The transaction reflects ongoing insider activity within the company’s leadership.34