| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| NAGARAJAN SUNDARAM | President and CEO, Director | 28601 CLEMENS ROAD, WESTLAKE | Jennifer L. McDonough on behalf of Sundaram Nagarajan | 25 Feb 2026 | 0001498509 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | NDSN | NDSN | Options Exercise | $6,905,778 | +41,800 | +64% | $165.21 | 106,624 | 24 Feb 2026 | Direct | F1, F2 |
| transaction | NDSN | NDSN | Sale | $12,258,268 | -41,800 | -39% | $293.26 | 64,824 | 24 Feb 2026 | Direct | F3 |
| holding | NDSN | NDSN | 8,000 | 24 Feb 2026 | Held in the Sundaram Nagarajan Irrevocable Insurance Trust dated December 5, 2023 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | NDSN | NDSN | Options Exercise | $12,258,268 | -41,800 | -100% | $293.26 | 0 | 24 Feb 2026 | NDSN | 41,800 | $165.21 | Direct | F3 |
| Id | Content |
|---|---|
| F1 | Exercise of reporting person's stock options that would otherwise expire11/25/2029 of which shares were sold to pay the exercise price, to cover withholding taxes, and to pay broker fees and commissions, pursuant to a broker-assisted cashless exercise and sale. |
| F2 | The total holdings include 127 Stock Equivalent Units and/or Restricted Share Units accrued from dividend payments pursuant to the Company's Stock Incentive and Award Plan. |
| F3 | Price reflected is the weighted-average sale price for shares sold. The shares were sold in multiple transactions, and the range of sale prices for the transactions reported was $291.64 to $295.04. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or any staff member of the Securities and Exchange Commission, upon request, information regarding the number of shares sold at each separate price. |