Airbnb Co-Founder Nathan Blecharczyk Sells $2.33M in Class A Shares Under 10b5-1 Plan

Executive Summary

On October 28, 2026, Airbnb, Inc. ($ABNB) co-founder, Chief Strategy Officer, and director Nathan Blecharczyk reported the conversion and disposition of 17,692 shares on October 26, 2026. Blecharczyk converted 17,692 shares of Class B Common Stock into Class A Common Stock, gifted 4,077 shares, and sold 13,615 shares across four tranches for total gross proceeds of approximately $2.33 million at a weighted average price of ~$170.81 per share.

Transaction Breakdown

1. Conversion: 17,692 Class B shares were converted to Class A Common Stock on a 1-for-1 basis (Code C).
2. Bona Fide Gift: 4,077 Class A shares were disposed of at $0 per share (Code G).
3. Open Market Sales:
   • 2,500 shares sold at a weighted average price of $169.7044 ($169.29–$169.995).
   • 5,401 shares sold at a weighted average price of $170.6529 ($170.04–$170.995).
   • 5,614 shares sold at a weighted average price of $171.44 ($171.005–$171.885).
   • 100 shares sold at $172.00.
   • Total Sold: 13,615 shares generating approximately $2,325,621.47.

Context and Trading Significance

• Rule 10b5-1 Plan: Both the gift and open-market sales were executed under a pre-established Rule 10b5-1 trading plan adopted on August 28, 2025.
• Remaining Position: Following the reported transactions, Blecharczyk continues to indirectly hold 20,567 Class A shares and 44,331,088 Class B shares via trust, along with 74,808.445 Class A shares held directly.
• Significance Assessment: Rated Low. The disposition represents a fractional portion (less than 0.05%) of Blecharczyk's overall multi-billion-dollar equity position in the company and was transacted under a pre-scheduled trading plan.