| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Sciammas Maurice | EVP, WW Sales & Marketing | 5808 LAKE WASHINGTON BLVD NE, KIRKLAND | /s/ Saria Tseng, attorney-in-fact for Mr. Maurice Sciammas | 06 Aug 2025 | 0001360833 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MPWR | Common Stock | Gift | $0 | +4,836 | +12.06% | $0 | 44,930 | 06 Aug 2025 | Sciammas Family Trust | F1 |
| transaction | MPWR | Common Stock | Gift | $0 | -2,000 | -12.72% | $0 | 13,727 | 06 Aug 2025 | Various Sciammas GRATs | F2 |
| transaction | MPWR | Common Stock | Gift | $0 | -1,418 | -13.01% | $0 | 9,481 | 06 Aug 2025 | Maurice Sciammas Trust FBO Oski Crew | F3 |
| transaction | MPWR | Common Stock | Gift | $0 | -1,418 | -13.01% | $0 | 9,481 | 06 Aug 2025 | Christina Sciammas Trust FBO Oski Crew | F4 |
| holding | MPWR | Common Stock | 1,699 | 06 Aug 2025 | The Chloe Liliane Sciammas 2020 Irrevocable Trust | ||||||
| holding | MPWR | Common Stock | 2,000 | 06 Aug 2025 | Rosalind Sciammas Family 2021 Trust | ||||||
| holding | MPWR | Common Stock | 102,325 | 06 Aug 2025 | Direct | ||||||
| holding | MPWR | Common Stock | 1,699 | 06 Aug 2025 | The Patrick Francis Sciammas 2020 Irrevocable Trust | ||||||
| holding | MPWR | Common Stock | 4,015 | 06 Aug 2025 | By Sciammas Trust 2020 | ||||||
| holding | MPWR | Common Stock | 5,000 | 06 Aug 2025 | Clement Sciammas Family 2021 Trust | ||||||
| holding | MPWR | Common Stock | 2,000 | 06 Aug 2025 | Peter Rafferty and Eric Toothill 2021Trust | ||||||
| holding | MPWR | Common Stock | 1,699 | 06 Aug 2025 | The Joseph Roger Sciammas 2020 Irrevocable Trust | ||||||
| holding | MPWR | Common Stock | 1,499 | 06 Aug 2025 | Clement Sciammas (Sibling) Brokerage Account |
| Id | Content |
|---|---|
| F1 | 4,836 shares were transferred to the Sciammas Family Trust, on which the reporting person is a Trustee, from two Sciammas 2022 GRATs, and two Sciammas 2022 Siblings GRATs, and two Sciammas 2022 Trusts for Oski Crew, on which the reporting person is a Trustee. No funds were exchanged and no sale of shares occurred in the transfer. |
| F2 | 2,000 shares were transferred out of two Sciammas 2022 GRATs and two Sciammas 2022 Siblings GRATs, on which the reporting person is a Trustee, to the Sciammas Family Trust, on which the reporting person is a Trustee. No funds were exchanged and no sale of shares occurred in the transfer. |
| F3 | 1,418 shares were transferred out of the Maurice Sciammas 2022 Trust for Oski Crew, on which the reporting person is a Trustee, to the Sciammas Family Trust, on which the reporting person is a Trustee. No funds were exchanged and no sale of shares occurred in the transfer. |
| F4 | 1,418 shares were transferred out of the Christina Sciammas 2022 Trust for Oski Crew, on which the reporting person is a Trustee, to the Sciammas Family Trust, on which the reporting person is a Trustee. No funds were exchanged and no sale of shares occurred in the transfer. |