Nathan Blecharczyk, Chief Strategy Officer and 10% owner of Airbnb, Inc. (NASDAQ:ABNB), filed a Form 4 on August 19, 2026, disclosing transactions in Class A Common Stock and Class B Common Stock dated August 17, 2026.

Key Highlights

  • Conversion: 17,692 shares of Class B Common Stock were converted into 17,692 shares of Class A Common Stock on August 17, 2026, held indirectly by trust.
  • First sale tranche: 9,133 shares of Class A Common Stock were disposed of at a weighted average price of $182.5383, in multiple transactions ranging from $182.02 to $182.95.
  • Second sale tranche: 4,482 shares of Class A Common Stock were disposed of at a weighted average price of $183.5084, in multiple transactions ranging from $183.18 to $183.715.
  • Gift: 4,077 shares of Class A Common Stock were gifted at $0 per share, all held indirectly by trust.
  • Post-transaction ownership: Following all reported transactions, Blecharczyk holds 20,117 shares of Class A Common Stock indirectly by trust and 81,631.093 shares directly, plus 45,009,109 shares of Class B Common Stock indirectly by trust.
  • 10b5-1 plan: The sales and gift were effected pursuant to a Rule 10b5-1 trading plan adopted on August 28, 2025, according to the filing.

Blecharczyk's August 2026 Transactions in Airbnb Securities

According to the filing, Nathan Blecharczyk, who serves as Chief Strategy Officer and is identified as a director and 10% owner of Airbnb, Inc. (NASDAQ:ABNB), reported a series of transactions in Class A Common Stock on August 17, 2026. All transactions involving the trust were effected indirectly through a trust structure. The conversion of 17,692 Class B shares into Class A shares was coded "C," reflecting the one-to-one convertibility feature described in the filing's footnotes.

The filing notes that Class B Common Stock "is convertible at any time at the option of the holder into the Issuer's Class A Common Stock on a one-to-one basis" and will automatically convert under specified conditions, including certain transfers, a supermajority vote of Class B holders, or the 20-year anniversary of the company's initial public offering. After the conversion, the filing reports two separate sale tranches totaling 13,615 shares, with weighted average prices of $182.5383 and $183.5084, respectively. Price range details are available upon request to the issuer, any security holder, or SEC staff, as stated in the footnotes.

The gift of 4,077 shares at $0 was also executed under the same Rule 10b5-1 plan adopted August 28, 2025. Following all reported transactions, Blecharczyk's directly held Class A Common Stock stands at 81,631.093 shares, while the indirectly held Class A position by trust was reduced to 20,117 shares. His indirect beneficial ownership of Class B Common Stock by trust remains at 45,009,109 shares, as reported in Table II.

What Was Disclosed

The filing discloses a conversion of 17,692 Class B shares into Class A shares, the sale of 13,615 Class A shares across two price tranches, and a gift of 4,077 Class A shares, all executed on August 17, 2026, under a pre-existing Rule 10b5-1 plan.