Airbnb CSO Nathan Blecharczyk's Stock Transactions Under Rule 10b5-1 Plan

This Form 4 filing reports multiple stock transactions by Airbnb Chief Strategy Officer Nathan Blecharczyk, who is also a director and 10% owner. The transactions occurred on May 19-20, 2026, and were executed pursuant to a Rule 10b5-1 trading plan adopted on August 28, 2025. Blecharczyk sold 4,084.139 shares of Class A Common Stock at $134.40 per share on May 19, reducing his direct holdings to 84,370.093 shares. On the same day, he acquired 450 shares of Class A Common Stock through a trust at $0.00 per share (via conversion of Class B shares), bringing his indirect holdings to 12,370 shares. Additionally, he sold 450 shares of Class B Common Stock through conversion. On May 20, he sold another 2,739 shares of Class A Common Stock at $131.40 per share, leaving his direct holdings at 81,631.093 shares. The Class B shares are convertible to Class A shares on a one-to-one basis and have special voting rights.