Andrew Houston Sells Class A Common Stock

On October 12, 2026, Andrew Houston, Co-CEO, Director, and 10% owner of Dropbox, Inc., sold 29,500 shares of Class A Common Stock at a weighted average price of $35.0927 per share, pursuant to a Rule 10b5-1 trading plan. This transaction was executed in multiple trades at prices ranging from $35.00 to $35.20. Concurrently, 29,500 shares of Class B Common Stock were converted into 29,500 shares of Class A Common Stock at the election of Mr. Houston. Following these transactions, Mr. Houston directly owns 8,266,666 shares of Class A Common Stock, with additional shares held indirectly through various trusts.