Insider Trading April 3, 2026

Monolithic Power Executive Sells $33,493 in Stock; Holds Remains Substantial

EVP Maurice Sciammas executed a 30-share sale under a 10b5-1 plan as Monolithic Power posts quarterly beat and several analyst price-target increases

By Nina Shah MPWR
Monolithic Power Executive Sells $33,493 in Stock; Holds Remains Substantial
MPWR

Maurice Sciammas, Executive Vice President for Worldwide Sales & Marketing at Monolithic Power Systems Inc (MPWR), sold 30 shares on April 1, 2026, for $1,116.44 per share, yielding $33,493. The sale was made under a Rule 10b5-1 trading plan adopted on November 19, 2025. After the transaction, Sciammas directly holds 178,644 shares and also controls substantial indirect holdings across multiple family trusts and accounts. The move comes after Monolithic Power posted fourth-quarter 2025 results that beat consensus and prompted several analyst price-target increases.

Key Points

  • Maurice Sciammas sold 30 shares of MPWR on April 1, 2026, at $1,116.44 per share for $33,493.
  • The sale was executed under a Rule 10b5-1 trading plan adopted on November 19, 2025; Sciammas retains substantial direct and indirect holdings across multiple trusts and accounts.
  • Monolithic Power beat fourth-quarter 2025 estimates with EPS of $4.79 and revenue of $751.2 million, prompting several brokerages to raise price targets and maintain or reiterate positive ratings.

Maurice Sciammas, who serves as Executive Vice President, Worldwide Sales & Marketing at Monolithic Power Systems Inc (NASDAQ:MPWR), completed a sale of 30 shares of the company's common stock on April 1, 2026.

The shares were sold at $1,116.44 apiece, producing total proceeds of $33,493. The disposition was carried out pursuant to a Rule 10b5-1 trading plan that Sciammas adopted on November 19, 2025.

Following the transaction, Sciammas directly holds 178,644 shares of Monolithic Power Systems. In addition to his direct holdings, he retains indirect positions through multiple trusts and accounts. The reported indirect holdings include: the Clement Sciammas Trust (1,239 shares); The Joseph Roger Sciammas 2020 Irrevocable Trust (1,699 shares); the Rosalind Sciammas Family 2021 Trust (2,000 shares); the Rosalind Sciammas Brokerage Account (1,299 shares); various Sciammas GRATs (26,660 shares); The Patrick Francis Sciammas 2020 Irrevocable Trust (1,699 shares); By Sciammas Trust 2020 (4,015 shares); the Peter Rafferty and Eric Toothill 2021 Trust (1,000 shares); The Chloe Liliane Sciammas 2020 Irrevocable Trust (1,699 shares); the Clement Sciammas Family 2021 Trust (5,000 shares); and the Sciammas Family Trust (49,460 shares).

The sale represents a small fraction of the combined direct and indirect positions listed above. The Rule 10b5-1 framework under which this trade was executed is commonly used by insiders to plan trades in advance.


Separately, Monolithic Power Systems reported fourth-quarter 2025 results that surpassed analyst expectations. The company posted earnings per share of $4.79 versus a consensus forecast of $4.73, and reported quarterly revenue of $751.2 million compared with an anticipated $740.23 million.

Following the earnings release, several brokerages updated their views on the shares. KeyBanc raised its price target to $1,500 from $1,300 and maintained an Overweight rating, citing the strong quarter and first-quarter guidance. TD Cowen lifted its price target to $1,350 from $1,250, describing the results as a "solid beat and raise" and expressing a positive view on Enterprise Data growth. Needham increased its target to $1,300 from $1,250, noting solid performance and an improved Enterprise Data outlook. Truist Securities reiterated a Buy rating, pointing to recent design wins.

In addition to analyst activity, the company is noted in InvestingPro content for having recorded eight consecutive years of dividend increases; InvestingPro subscribers have access to 16 additional ProTips for MPWR and a Pro Research Report.


This account records the transaction details and the attendant analyst responses. The article does not provide information about any market reaction to the insider sale or further company guidance beyond the reported quarter and the analysts' commentary.

Risks

  • The article does not disclose any market reaction to the insider sale, so the immediate impact on MPWR's share price is unknown - this affects market participants and equity traders.
  • Analyst price-target changes reflect expectations but are not guarantees; future company performance may differ from these revised forecasts - relevant to investors in semiconductors and technology-related equities.
  • The report does not include additional forward-looking guidance from the company beyond the fourth-quarter results; limited forward disclosure increases uncertainty for forecasting and valuation models used by investors and analysts.

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