Airbnb (ABNB) 10% Owner Nathan Blecharczyk Sells Shares

What Happened

• Nathan Blecharczyk (reported as a 10% owner) converted a total of 74,852 Class B shares into Class A shares (one‑for‑one) and then disposed of 70,775 Class A shares in open‑market sales on Aug 28 and Aug 31, 2026. Proceeds from the sales totaled approximately $13.45 million. He also made a gift of 4,077 shares on Aug 31.
• The conversion entries reflect the Class B → Class A one‑for‑one conversion described in the filing; some conversion/disposition lines are reported at $0 because they reflect the conversion mechanics rather than a cash sale.

Key Details

• Transaction dates: Aug 28, 2026 and Aug 31, 2026; Form 4 filed Sept 1, 2026 (appears timely).
• Sales (open market) — totals and weighted avg prices:
  • Aug 28: 45,215 shares at $190.58 (weighted) — $8,617,143 (prices ranged $190.00–$190.96).
  • Aug 28: 11,945 shares at $191.20 (weighted) — $2,283,889 (prices ranged $191.00–$191.36).
  • Aug 31: 1,887 shares at $185.67 — $350,361 (range $185.51–$185.92).
  • Aug 31: 4,042 shares at $186.38 — $753,355 (range $186.00–$186.96).
  • Aug 31: 3,728 shares at $187.68 — $699,683 (range $187.06–$187.92).
  • Aug 31: 3,719 shares at $188.51 — $701,053 (range $188.03–$188.97).
  • Aug 31: 239 shares at $189.05 — $45,182 (range $189.02–$189.075).
• Conversions: 57,160 shares converted on Aug 28 and 17,692 on Aug 31 (total 74,852 Class B → Class A).
• Gift: 4,077 shares gifted on Aug 31 (no cash proceeds).
• Net sold shares: 70,775; gross proceeds ≈ $13,450,666.
• Footnotes: Sales and the gift were made pursuant to a Rule 10b5‑1 trading plan adopted Aug 28, 2025. Footnotes disclose weighted‑average pricing ranges and the Class B → Class A conversion rule.
• Shares owned after transaction: not specified in the Form 4.

Context

• The filing shows conversions of Class B to Class A common stock (F1)—a mechanical one‑for‑one conversion of voting class shares—and then sales/gift of the resulting Class A shares. The $0 entries for some conversion lines reflect the conversion accounting rather than a cash sale.
• The sales were executed under a pre‑existing Rule 10b5‑1 plan (F2), which typically schedules trades ahead of time; the gift does not necessarily indicate market sentiment.
• As a 10% owner (noting beneficial ownership status), these transactions are significant in size but are reported as planned dispositions rather than discretionary buys.