Lin Yi-Chien Stock Purchase

On September 29, 2026, Lin Yi-Chien acquired 3,000 shares of Beyond Air, Inc. common stock at a weighted average price of $2.69 per share. On September 30, 2026, Lin Yi-Chien acquired an additional 2,000 shares at a weighted average price of $2.71 per share. On October 1, 2026, Lin Yi-Chien acquired 15,393 shares at a weighted average price of $2.80 per share. These purchases were made in multiple transactions at prices ranging from $2.67 to $2.85. Following these transactions, Lin Yi-Chien directly owns 145,393 shares of common stock. This filing is a Form 4, indicating a change in beneficial ownership.