Idex (IEX)

=== SEC Form 3 — Statement of Changes in Beneficial Ownership === Document Type: 3 Period of Report: 2026-02-18 --- Issuer --- Name: IDEX CORP /DE/ (IEX) CIK: 0000832101 --- Reporting Owner --- Name: Tereso Tara M. CIK: 0002110295 Role: Officer (Group Executive, HST) --- Holdings --- [Holding #1] Security: COMMON STOCK Ownership: D (Direct) Footnotes: [F1] Includes 2,257 restricted shares, which vest as follows, subject to the Reporting Person?s continuous service through each such date: (i) 470 restricted shares vest on September 11, 2026, (ii) 987 restricted shares vest on September 16, 2026, and (iii) 800 restricted shares vest on February 20, 2028. [Holding #2] Security: OPTIONS (RIGHT TO BUY) Ownership: D (Direct) Footnotes: [F2] This option vests in four substantially equal annual installments beginning February 24, 2023, subject to the Reporting Person?s continuous service through each such date. [Holding #3] Security: OPTIONS (RIGHT TO BUY) Ownership: D (Direct) Footnotes: [F3] This option vests in four substantially equal annual installments beginning February 23, 2024, subject to the Reporting Person?s continuous service through each such date. [Holding #4] Security: OPTIONS (RIGHT TO BUY) Ownership: D (Direct) Footnotes: [F4] This option vests in four substantially equal annual installments beginning September 11, 2024, subject to the Reporting Person?s continuous service through each such date. [Holding #5] Security: OPTIONS (RIGHT TO BUY) Ownership: D (Direct) Footnotes: [F5] This option vests in four substantially equal annual installments beginning February 22, 2025, subject to the Reporting Person?s continuous service through each such date. [Holding #6] Security: OPTIONS (RIGHT TO BUY) Ownership: D (Direct) Footnotes: [F6] This option vests in four substantially equal annual installments beginning February 20, 2026, subject to the Reporting Person?s continuous service through each such date. --- Footnotes (Complete Index) --- F1: Includes 2,257 restricted shares, which vest as follows, subject to the Reporting Person?s continuous service through each such date: (i) 470 restricted shares vest on September 11, 2026, (ii) 987 restricted shares vest on September 16, 2026, and (iii) 800 restricted shares vest on February 20, 2028. F2: This option vests in four substantially equal annual installments beginning February 24, 2023, subject to the Reporting Person?s continuous service through each such date. F3: This option vests in four substantially equal annual installments beginning February 23, 2024, subject to the Reporting Person?s continuous service through each such date. F4: This option vests in four substantially equal annual installments beginning September 11, 2024, subject to the Reporting Person?s continuous service through each such date. F5: This option vests in four substantially equal annual installments beginning February 22, 2025, subject to the Reporting Person?s continuous service through each such date. F6: This option vests in four substantially equal annual installments beginning February 20, 2026, subject to the Reporting Person?s continuous service through each such date. --- Signature --- /s/ /s/ Sam Rayburn, by Power of Attorney (2026-02-23)