Airbnb Co-Founder Nathan Blecharczyk Sells 88,479 Shares via 10b5-1 Plan

This Form 4 filing reports that Nathan Blecharczyk, Airbnb's Chief Strategy Officer and co-founder, sold 88,479 shares of Class A Common Stock through a pre-arranged Rule 10b5-1 trading plan. The transactions occurred on June 24-25, 2026, with sales executed at weighted average prices ranging from $145.09 to $147.09 per share, generating approximately $12.8 million in proceeds. The sales were accompanied by conversions of Class B Common Stock to Class A Common Stock on a one-to-one basis. Blecharczyk remains a significant shareholder with over 45.8 million Class B shares and 81,631 Class A shares. The transactions were executed pursuant to a trading plan adopted on August 28, 2025, indicating planned rather than discretionary sales.