| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Hedlund Steven B | CHAIR, PRESIDENT & CEO, Director | 22801 SAINT CLAIR AVENUE, CLEVELAND | /s/ Susan K. Prewitt, Attorney-in-Fact | 12 Sep 2025 | 0001529684 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | LECO | Common Shares | Options Exercise | $1,110,247 | +12,387 | +22% | $89.63 | 68,253 | 11 Sep 2025 | Direct | |
| transaction | LECO | Common Shares | Sale | $1,034,639 | -4,260 | -6.2% | $242.87 | 63,993 | 11 Sep 2025 | Direct | F1 |
| transaction | LECO | Common Shares | Sale | $1,686,638 | -6,927 | -11% | $243.49 | 57,066 | 11 Sep 2025 | Direct | F2 |
| transaction | LECO | Common Shares | Sale | $293,236 | -1,200 | -2.1% | $244.36 | 55,866 | 11 Sep 2025 | Direct | F3 |
| holding | LECO | Common Shares | 2,457 | 11 Sep 2025 | by 401(k) |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | LECO | Employee Stock Option (Right to Buy) | Options Exercise | $0 | -12,387 | -100% | $0.000000 | 0 | 11 Sep 2025 | Common Stock | 12,387 | $89.63 | Direct | F4 |
| Id | Content |
|---|---|
| F1 | This transaction was executed in multiple trades at prices ranging from $242.10 to $243.09. 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. |
| F2 | This transaction was executed in multiple trades at prices ranging from $243.10 to $244.09. 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. |
| F3 | This transaction was executed in multiple trades at prices ranging from $244.16 to $244.53. 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. |
| F4 | Exercisable in equal installments on the first, second and third anniversaries of the date of grant. |