| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| KHILNANI VINOD M | Director | 6070 PARKLAND BLVD., MAYFIELD HEIGHTS | /s/Michelle R. Mekinda, as Attorney-In-Fact | 19 Feb 2026 | 0001204034 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MTRN | Common Stock | Sale | $363,637 | -2,446 | -14% | $148.67 | 15,219 | 17 Feb 2026 | Direct | F1, F2 |
| transaction | MTRN | Common Stock | Sale | $231,820 | -1,554 | -10% | $149.18 | 13,665 | 17 Feb 2026 | Direct | F2, F3 |
| holding | MTRN | Common Stock | 19,993 | 17 Feb 2026 | Held in Directors Deferred Compensation Plan. |
| Id | Content |
|---|---|
| F1 | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transaction at prices ranging from $148.340 to $148.970, inclusive. |
| F2 | The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (1) and (3) of this Form 4. |
| F3 | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transaction at prices ranging from $149.010 to $149.415, inclusive. |