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MONOLITHIC POWER SYSTEMS INC — Director's Dealing 2025
Dec 31, 2025
30057_dirs_2025-12-30_d6076b2e-b4dd-4564-8340-fe5b04622266.zip
Director's Dealing
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SEC Form 4 — Statement of Changes in Beneficial Ownership
Issuer: MONOLITHIC POWER SYSTEMS INC (MPWR)
CIK: 0001280452
Period of Report: 2025-12-24
Reporting Person: Tseng Saria (N/A)
Non-Derivative Transactions
| Date | Security | Code | Shares | Price | A/D | Holdings After | Ownership |
|---|---|---|---|---|---|---|---|
| 2025-12-24 | Common Stock | G | 1000 | — | Disposed | 166331 | Direct |
| 2025-12-24 | Common Stock | G | 1000 | — | Acquired | 1000 | Indirect |
Footnotes
F1: The reported transaction involved a transfer of securities by gift from the reporting person's direct holdings to a 501(c)(3) foundation. No funds were exchanged and no sale of shares occurred in the transfer of the shares.
F2: The reported transaction involved a transfer of securities by gift from the reporting person's direct holdings to a 501(c)(3) foundation. The reporting person is the president of the foundation and maintains management and investment control over the shares. No funds were exchanged and no sale of shares occurred in the transfer of the shares.