| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Hsing Michael | CEO, Director | 5808 LAKE WASHINGTON BLVD NE, KIRKLAND | /s/ Saria Tseng, attorney-in-fact for Mr. Michael R. Hsing | 15 Aug 2025 | 0001308676 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MPWR | Common Stock | Sale | $2,149,271 | -2,603 | -0.31% | $825.69 | 832,295 | 15 Aug 2025 | Direct | F1 |
| transaction | MPWR | Common Stock | Sale | $2,112,065 | -2,555 | -0.31% | $826.64 | 829,740 | 15 Aug 2025 | Direct | F2 |
| transaction | MPWR | Common Stock | Sale | $3,209,898 | -3,878 | -0.47% | $827.72 | 825,862 | 15 Aug 2025 | Direct | F3 |
| transaction | MPWR | Common Stock | Sale | $328,141 | -396 | -0.05% | $828.64 | 825,466 | 15 Aug 2025 | Direct | F4 |
| transaction | MPWR | Common Stock | Sale | $3,401,574 | -4,101 | -0.5% | $829.45 | 821,365 | 15 Aug 2025 | Direct | F5 |
| transaction | MPWR | Common Stock | Sale | $1,743,966 | -2,100 | -0.26% | $830.46 | 819,265 | 15 Aug 2025 | Direct | F6 |
| transaction | MPWR | Common Stock | Sale | $1,624,056 | -1,953 | -0.24% | $831.57 | 817,312 | 15 Aug 2025 | Direct | F7 |
| transaction | MPWR | Common Stock | Sale | $1,257,181 | -1,510 | -0.18% | $832.57 | 815,802 | 15 Aug 2025 | Direct | F8 |
| transaction | MPWR | Common Stock | Sale | $445,853 | -535 | -0.07% | $833.37 | 815,267 | 15 Aug 2025 | Direct | F9 |
| transaction | MPWR | Common Stock | Sale | $166,984 | -200 | -0.02% | $834.92 | 815,067 | 15 Aug 2025 | Direct | |
| transaction | MPWR | Common Stock | Sale | $334,560 | -400 | -0.05% | $836.40 | 814,667 | 15 Aug 2025 | Direct | F10 |
| holding | MPWR | Common Stock | 133,040 | 15 Aug 2025 | by M Hsing 04 Trust | ||||||
| holding | MPWR | Common Stock | 12,825 | 15 Aug 2025 | ZH Family 2020 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 $825.06 to $825.86. 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 $826.12 to $826.98. 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. |
| 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 $827.06 to $827.98. 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 $828.07 to $828.84. 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 $829.23 to $829.86. 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 $830.01 to $830.97. 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. |
| 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 $831.00 to $831.87. 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 $832.05 to $832.90. 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. |
| 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 $833.20 to $833.50. 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 $836.11 to $836.50. 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. |