| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Vijayvargiya Jugal K. | President and CEO, Director | 6070 PARKLAND BLVD., MAYFIELD HEIGHTS | /s/Michelle R. Mekinda, as Attorney-In-Fact | 13 Feb 2026 | 0001541300 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MTRN | Common Stock | Award | $0 | +16,668 | +15% | $0.000000 | 130,253 | 12 Feb 2026 | Direct |