Form 4 Filing for Ainos, Inc.

Yao-Chung Chiang, a director at Ainos, Inc., reported the acquisition of 500 shares of common stock on May 18, 2026, at a price of $1.65 per share, and an additional 2200 shares on May 19, 2026, at $1.68 per share. These transactions were made indirectly through a spouse. Following these transactions, the total number of shares held indirectly increased to 3529. The filing also notes that Mr. Chiang directly owns 90,880 shares, as previously disclosed. The transactions are marked as open market purchases.