Form 4 Filing for OSI SYSTEMS INC

This Form 4 filing details transactions made by Victor S. Sze, General Counsel of OSI SYSTEMS INC. On August 24, 2026, Mr. Sze acquired 16,845 shares of Common Stock at a price of $206.73 per share, increasing his post-transaction holdings to 110,606 shares. This acquisition is subject to performance-based vesting. Subsequently, on the same day, he disposed of 14,999 shares of Common Stock at the same price of $206.73 per share. This disposal was part of a net settlement to cover tax withholdings, with no actual sale of shares. Following this transaction, his post-transaction shares are 95,607. Additionally, the filing indicates that following these transactions, Mr. Sze directly owns 5,388 shares of Common Stock, with the nature of ownership detailed in footnote F3.