| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Ansberry Jennifer I | EVP, GENERAL COUNSEL & SECY | 22801 SAINT CLAIR AVENUE, CLEVELAND | /s/ Susan K. Prewitt, Attorney-in-Fact | 18 Feb 2026 | 0001704834 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | LECO | Common Shares | Tax liability | $136,561 | -465 | -2.4% | $293.68 | 18,708 | 13 Feb 2026 | Direct | F1 |
| transaction | LECO | Common Shares | Options Exercise | $1,217,775 | +10,657 | +57% | $114.27 | 29,365 | 17 Feb 2026 | Direct | F1 |
| transaction | LECO | Common Shares | Sale | $2,239,050 | -7,757 | -26% | $288.65 | 21,608 | 17 Feb 2026 | Direct | F1, F2 |
| transaction | LECO | Common Shares | Sale | $694,043 | -2,400 | -11% | $289.18 | 19,208 | 17 Feb 2026 | Direct | F1, F3 |
| transaction | LECO | Common Shares | Sale | $145,189 | -500 | -2.6% | $290.38 | 18,708 | 17 Feb 2026 | Direct | F1, F4 |
| 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 | -10,657 | -100% | $0.000000 | 0 | 17 Feb 2026 | Common Shares | 10,657 | $114.27 | Direct | F5 |
| Id | Content |
|---|---|
| F1 | Total includes 20 shares held as Joint Tenants with Reporting Person's spouse. |
| F2 | This transaction was executed in multiple trades at prices ranging from $288.02 to $289.01. 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 $289.02 to $289.385. 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 | This transaction was executed in multiple trades at prices ranging from $290.29 to $290.40. 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. |
| F5 | Exercisable in equal installments on the first, second and third anniversaries of the date of grant. |