| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Whitehead Michael J | SVP, PRESIDENT, AMERICAS WELD | 22801 SAINT CLAIR AVENUE, CLEVELAND | /s/ Susan K. Prewitt, Attorney-in-Fact | 16 Sep 2025 | 0001747301 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | LECO | Common Shares | Sale | $233,229 | -1,000 | -9.8% | $233.23 | 9,177 | 16 Sep 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | This transaction was executed in multiple trades at prices ranging from $233.2221 to $233.29. The price reported reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. |