BAXTER INTERNATIONAL INC (BAX) · Initial Holdings (Form 3) SEC Filing

=== SEC Form 3 — Statement of Changes in Beneficial Ownership === Document Type: 3 Period of Report: 2026-04-01 --- Issuer --- Name: BAXTER INTERNATIONAL INC (BAX) CIK: 0000010456 --- Reporting Owner --- Name: Teaff James CIK: 0002127784 Role: Officer (President, CCS) --- Holdings --- [Holding #1] Security: Common Stock, $1 par value Ownership: D (Direct) [Holding #2] Security: Stock Option (Right to Buy) Ownership: D (Direct) Footnotes: [F1] The options became exercisable in three equal annual installments beginning on March 5, 2018, the first anniversary of the grant date. [Holding #3] Security: Stock Option (Right to Buy) Ownership: D (Direct) Footnotes: [F2] The options became exercisable in three equal annual installments beginning on March 4, 2019, the first anniversary of the grant date. [Holding #4] Security: Stock Option (Right to Buy) Ownership: D (Direct) Footnotes: [F3] The options became exercisable in three equal annual installments beginning on February 28, 2020, the first anniversary of the grant date. [Holding #5] Security: Stock Option (Right to Buy) Ownership: D (Direct) Footnotes: [F4] The options became exercisable in three equal annual installments beginning on March 22, 2021, the first anniversary of the grant date. [Holding #6] Security: Stock Option (Right to Buy) Ownership: D (Direct) Footnotes: [F5] The options became exercisable in three equal annual installments beginning on March 3, 2022, the first anniversary of the grant date. [Holding #7] Security: Stock Option (Right to Buy) Ownership: D (Direct) Footnotes: [F6] The options became exercisable in three equal annual installments beginning on March 2, 2023, the first anniversary of the grant date. [Holding #8] Security: Stock Option (Right to Buy) Ownership: D (Direct) Footnotes: [F7] The options became exercisable in three equal annual installments beginning on March 1, 2024, the first anniversary of the grant date. [Holding #9] Security: Stock Option (Right to Buy) Ownership: D (Direct) Footnotes: [F8] The options become exercisable in three equal annual installments beginning on March 1, 2027, the first anniversary of the grant date. --- Footnotes (Complete Index) --- F1: The options became exercisable in three equal annual installments beginning on March 5, 2018, the first anniversary of the grant date. F2: The options became exercisable in three equal annual installments beginning on March 4, 2019, the first anniversary of the grant date. F3: The options became exercisable in three equal annual installments beginning on February 28, 2020, the first anniversary of the grant date. F4: The options became exercisable in three equal annual installments beginning on March 22, 2021, the first anniversary of the grant date. F5: The options became exercisable in three equal annual installments beginning on March 3, 2022, the first anniversary of the grant date. F6: The options became exercisable in three equal annual installments beginning on March 2, 2023, the first anniversary of the grant date. F7: The options became exercisable in three equal annual installments beginning on March 1, 2024, the first anniversary of the grant date. F8: The options become exercisable in three equal annual installments beginning on March 1, 2027, the first anniversary of the grant date. --- Signature --- /s/ /s/ Kimberly Ollson, as attorney in-fact for James Teaff (2026-04-09)