| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Sciammas Maurice | EVP, WW Sales & Marketing | 1555 PALM BEACH LAKES BLVD., WEST PALM BEACH | /s/ Saria Tseng, attorney-in-fact for Mr. Maurice Sciammas | 19 Nov 2025 | 0001360833 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MPWR | Common Stock | Sale | $207,019 | -240 | -0.13% | $862.58 | 183,066 | 19 Nov 2025 | Direct | F1 |
| transaction | MPWR | Common Stock | Sale | $138,218 | -160 | -0.09% | $863.86 | 182,906 | 19 Nov 2025 | Direct | |
| transaction | MPWR | Common Stock | Sale | $34,636 | -40 | -0.02% | $865.89 | 182,866 | 19 Nov 2025 | Direct | |
| transaction | MPWR | Common Stock | Sale | $293,638 | -339 | -0.19% | $866.19 | 182,527 | 19 Nov 2025 | Direct | F2 |
| transaction | MPWR | Common Stock | Sale | $606,431 | -699 | -0.38% | $867.57 | 181,828 | 19 Nov 2025 | Direct | F3 |
| transaction | MPWR | Common Stock | Sale | $627,868 | -723 | -0.4% | $868.42 | 181,105 | 19 Nov 2025 | Direct | F4 |
| transaction | MPWR | Common Stock | Sale | $1,601,416 | -1,842 | -1% | $869.39 | 179,263 | 19 Nov 2025 | Direct | F5 |
| transaction | MPWR | Common Stock | Sale | $278,515 | -320 | -0.18% | $870.36 | 178,943 | 19 Nov 2025 | Direct | F6 |
| transaction | MPWR | Common Stock | Sale | $191,719 | -220 | -0.12% | $871.45 | 178,723 | 19 Nov 2025 | Direct | F7 |
| transaction | MPWR | Common Stock | Sale | $500,987 | -574 | -0.32% | $872.80 | 178,149 | 19 Nov 2025 | Direct | F8 |
| transaction | MPWR | Common Stock | Sale | $1,001,352 | -1,146 | -0.64% | $873.78 | 177,003 | 19 Nov 2025 | Direct | F9 |
| transaction | MPWR | Common Stock | Sale | $639,260 | -731 | -0.41% | $874.50 | 176,272 | 19 Nov 2025 | Direct | F10 |
| holding | MPWR | Common Stock | 1,699 | 19 Nov 2025 | The Joseph Roger Sciammas 2020 Irrevocable Trust | ||||||
| holding | MPWR | Common Stock | 2,000 | 19 Nov 2025 | Rosalind Sciammas Family 2021 Trust | ||||||
| holding | MPWR | Common Stock | 1,299 | 19 Nov 2025 | Rosalind Sciammas Brokerage Account | ||||||
| holding | MPWR | Common Stock | 49,460 | 19 Nov 2025 | Sciammas Family Trust | ||||||
| holding | MPWR | Common Stock | 26,660 | 19 Nov 2025 | Various Sciammas GRATs | ||||||
| holding | MPWR | Common Stock | 1,699 | 19 Nov 2025 | The Patrick Francis Sciammas 2020 Irrevocable Trust | ||||||
| holding | MPWR | Common Stock | 4,015 | 19 Nov 2025 | By Sciammas Trust 2020 | ||||||
| holding | MPWR | Common Stock | 5,000 | 19 Nov 2025 | Clement Sciammas Family 2021 Trust | ||||||
| holding | MPWR | Common Stock | 1,000 | 19 Nov 2025 | Peter Rafferty and Eric Toothill 2021Trust | ||||||
| holding | MPWR | Common Stock | 1,699 | 19 Nov 2025 | The Chloe Liliane Sciammas 2020 Irrevocable Trust | ||||||
| holding | MPWR | Common Stock | 1,499 | 19 Nov 2025 | Clement Sciammas Trust |
| Id | Content |
|---|---|
| F1 | The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $862.25 to $862.75. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price. |
| F2 | The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $866.16 to $866.51. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price. |
| F3 | The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $867.04 to $867.98. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price. |
| F4 | The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $868.00 to $868.94. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price. |
| F5 | The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $869.00 to $869.91. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price. |
| F6 | The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $870.07 to $870.98. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price. |
| F7 | The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $871.39 to $871.64. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price. |
| F8 | The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $872.74 to $872.89. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price. |
| F9 | The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $873.49 to $873.97. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price. |
| F10 | The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $874.09 to $874.90. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price. |