Monolithic Power Systems insider receives 135,520 vested shares
Filing Impact
Filing Sentiment
Form Type
4
Rhea-AI Filing Summary
Monolithic Power Systems (MPWR) reported an insider transaction for EVP, WW Sales & Marketing, Maurice Sciammas. On October 25, 2025, the Compensation Committee certified the performance of previously granted market-based RSUs, resulting in an award of 135,520 shares. All awarded shares fully vested on the same date at a reported price of $0.
Following the transaction, Sciammas beneficially owns 237,849 shares directly. The ending balance includes 4 shares acquired on August 15, 2025 through the company’s ESPP. The filing also lists multiple indirect holdings across family trusts and accounts.
Positive
- None.
Negative
- None.
Insider Trade Summary
14 transactions reported
Mixed
14 txns
Insider
Sciammas Maurice
Role
EVP, WW Sales & Marketing
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Grant/Award | Common Stock | 135,520 | $0.00 | -- |
| holding | Common Stock | -- | -- | -- |
| holding | Common Stock | -- | -- | -- |
| holding | Common Stock | -- | -- | -- |
| holding | Common Stock | -- | -- | -- |
| holding | Common Stock | -- | -- | -- |
| holding | Common Stock | -- | -- | -- |
| holding | Common Stock | -- | -- | -- |
| holding | Common Stock | -- | -- | -- |
| holding | Common Stock | -- | -- | -- |
| holding | Common Stock | -- | -- | -- |
| holding | Common Stock | -- | -- | -- |
| holding | Common Stock | -- | -- | -- |
| holding | Common Stock | -- | -- | -- |
Holdings After Transaction:
Common Stock — 237,849 shares (Direct);
Common Stock — 9,481 shares (Indirect, Maurice Sciammas Trust FBO Oski Crew)
Footnotes (1)
- On October 25, 2022, the reporting person was granted market-based restricted stock units ("MSUs") subject to the achievement of five stock price targets and relative total stockholder return percentile rank over a three-year performance and vesting period. On October 25, 2025, the Company's Compensation Committee of the Board of Directors certified and approved the achievement of the performance criteria for the MSUs, which resulted in 135,520 shares being awarded to the reporting person. All of the shares fully vested on October 25, 2025, pursuant to the grant agreement. Ending balance includes 4 shares acquired on August 15, 2025 through the Company's qualified ESPP program.
