| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Hwang Donghyun Thomas | SVP, Global Sales | C/O MACOM TECHNOLOGY SOLUTIONS HOLDINGS, 100 CHELMSFORD STREET, LOWELL | /s/ Ambra R. Roth, Attorney-in-Fact | 27 Oct 2025 | 0001480330 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MTSI | Common Stock | Tax liability | $34,270 | -246 | -0.8% | $139.31 | 30,533 | 23 Oct 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Shares withheld by the Issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting of restricted stock units on October 23, 2025. |