Airbnb Co-Founder Nathan Blecharczyk's Stock Transactions and Gift

This Form 4 filing reports significant stock transactions by Airbnb co-founder and Chief Strategy Officer Nathan Blecharczyk on July 6-8, 2026. Blecharczyk converted 17,692 shares of Class B Common Stock to Class A Common Stock and subsequently sold 13,615 Class A shares through multiple transactions at weighted average prices ranging from $147.86 to $149.24 per share, generating approximately $2 million in proceeds. Additionally, he gifted 65,230 Class A shares on July 8, 2026. All sales and the gift were executed pursuant to a Rule 10b5-1 trading plan adopted on August 28, 2025. Following these transactions, Blecharczyk's direct holdings decreased to 81,631 Class A shares, while he maintains indirect ownership of over 45.7 million Class B shares through a trust. The Class B shares are convertible to Class A on a one-to-one basis and carry enhanced voting rights.