Steven P. Wallace - Initial Statement of Beneficial Ownership of Securities

This filing reports Steven P. Wallace's initial beneficial ownership of securities in Baxter International Inc. (BAX). Wallace, President of Advanced Surgery, directly holds 70,282 shares of common stock. Additionally, he holds several stock options with varying exercise prices and expiration dates. These options, granted on different dates, become exercisable in three equal annual installments. Key option grants include: 8,918 options exercisable starting June 1, 2023, at $74.47; 15,352 options exercisable starting March 1, 2024, at $39.06; 17,840 options exercisable starting March 6, 2026, at $35.44; and 25,862 options exercisable starting March 1, 2027, at $20.37. The filing is dated April 9, 2026.