Airbnb Co-Founder & CSO Nathan Blecharczyk Sells ~$13.45M in Stock via Rule 10b5-1 Plan

Insider Transaction Summary

• Reporting Insider: Nathan Blecharczyk, Chief Strategy Officer, Director, and 10% Owner of Airbnb, Inc. ($ABNB).
• Filing Date: September 1, 2026 | Transaction Dates: August 28, 2026 – August 31, 2026.
• Overview of Transactions:
  • Conversions & Sales: Converted a total of 74,852 Class B shares to Class A Common Stock.
  • Open Market Sales: Sold 70,775 Class A shares across multiple tranches on August 28 and August 31, generating aggregate proceeds of approximately $13.45 million at prices ranging between $185.67 and $191.20 per share.
  • Bona Fide Gift: Gifted 4,077 shares of Class A Common Stock on August 31, 2026 ($0 value).
  • Trading Plan: All sales and gifts were executed pursuant to a pre-arranged Rule 10b5-1 trading plan adopted on August 28, 2025.

Post-Transaction Retained Ownership

• Class B Common Stock: 44,401,856 shares retained indirectly by trust (convertible 1-for-1 into Class A).
• Class A Common Stock: 20,567 shares held indirectly by trust; 74,808.445 shares held directly.
• Significance: Medium. While total transaction value is sizable (~$13.45M), it represents a routine liquidation via a pre-established Rule 10b5-1 plan and accounts for a minuscule fraction (<0.2%) of the insider's overall equity holding.