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MONOLITHIC POWER SYSTEMS INC — Director's Dealing 2025
Sep 2, 2025
30057_dirs_2025-09-02_114a6000-3dcd-4f01-9a48-efbbfcf3cc0d.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: 2025-08-29
Reporting Person: Elmiger Eugen J (N/A)
Non-Derivative Transactions
| Date | Security | Code | Shares | Price | A/D | Holdings After | Ownership |
|---|---|---|---|---|---|---|---|
| 2025-08-29 | Common Stock | S | 800 | $844.25 | Disposed | 20413 | Direct |
| 2025-08-29 | Common Stock | S | 700 | $845.54 | Disposed | 19713 | Direct |
| 2025-08-29 | Common Stock | S | 700 | $846.66 | Disposed | 19013 | Direct |
| 2025-08-29 | Common Stock | S | 900 | $847.30 | Disposed | 18113 | Direct |
| 2025-08-29 | Common Stock | S | 100 | $848.03 | Disposed | 18013 | Direct |
| 2025-08-29 | Common Stock | S | 800 | $849.41 | Disposed | 17213 | Direct |
Footnotes
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 $844.00 to $844.62. 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 $845.15 to $845.72. 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 $846.16 to $846.97. 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.
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 $847.19 to $847.44. 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.