Group 1 - Safra Catz, CEO of Oracle, has become the largest stock seller among U.S. corporate insiders in 2025, selling $2.5 billion worth of stock in the first half of the year [1] - In Q2 alone, Catz exercised options and sold nearly 8.7 million shares, cashing out $1.83 billion, surpassing Jeff Bezos's $737 million in the same period [1] - Catz's stock sales were part of a pre-determined trading plan and coincided with a market rebound after trade-related fluctuations [1] Group 2 - Other notable insiders who made significant cash-outs include Michael Dell of Dell Technologies ($1.22 billion), David Baszucki of Roblox ($630.9 million), and Mark Stevens of Nvidia ($288.5 million) [2][3] - Overall, insider trading activity has slowed compared to last year, with 6,000 insiders selling a total of $36 billion in Q2, down from $62 billion in the same period last year [2]