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MONOLITHIC POWER SYSTEMS INC — Director's Dealing 2025
Dec 11, 2025
30057_dirs_2025-12-11_4b51570c-52a9-4070-950c-8862f068e018.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: 2025-12-09
Reporting Person: Hsing Michael (N/A)
Non-Derivative Transactions
| Date | Security | Code | Shares | Price | A/D | Holdings After | Ownership |
|---|---|---|---|---|---|---|---|
| 2025-12-09 | Common Stock | G | 12337 | — | Disposed | 906332 | Direct |
Holdings (Non-Derivative)
| Security | Shares | Ownership |
|---|---|---|
| Common Stock | 133040 | Indirect |
| Common Stock | 12825 | 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. The Company has determined that the reporting person does not have any management or investment control or any other pecuniary interest in the shares after the transfer. No funds were exchanged and no sale of shares occurred in the transfer.