Monolithic Power EVP sells 30 shares via trust
Monolithic Power Systems EVP Maurice Sciammas, through the Clement Sciammas Trust, sold 30 shares of common stock in an open-market transaction at $1,116.44 per share on April 1, 2026.
Rhea-AI Filing Summary
Monolithic Power Systems EVP Maurice Sciammas, through the Clement Sciammas Trust, sold 30 shares of common stock in an open-market transaction at $1,116.44 per share on April 1, 2026.
The trust held 1,239 shares after the sale as indirect ownership. Sciammas also held 178,644 shares directly, while other related trusts and accounts held additional indirect positions, including 49,460 shares in the Sciammas Family Trust and 26,660 shares in various Sciammas GRATs. The sale was made under a Rule 10b5-1 trading plan adopted on November 19, 2025.
Positive
- None.
Negative
- None.
Insider Trade Summary 10b5-1
Net Seller: 30 shares
Net Sell
12 txns
Insider
Sciammas Maurice
Role
EVP, WW Sales & Marketing
Sold
30 shs ($33K)
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Sale | Common Stock | 30 | $1,116.44 | $33K |
| 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 — 1,239 shares (Indirect, Clement Sciammas Trust);
Common Stock — 178,644 shares (Direct);
Common Stock — 1,699 shares (Indirect, The Joseph Roger Sciammas 2020 Irrevocable Trust);
Common Stock — 2,000 shares (Indirect, Rosalind Sciammas Family 2021 Trust);
Common Stock — 1,299 shares (Indirect, Rosalind Sciammas Brokerage Account);
Common Stock — 26,660 shares (Indirect, Various Sciammas GRATs);
Common Stock — 1,699 shares (Indirect, The Patrick Francis Sciammas 2020 Irrevocable Trust);
Common Stock — 4,015 shares (Indirect, By Sciammas Trust 2020);
Common Stock — 1,000 shares (Indirect, Peter Rafferty and Eric Toothill 2021Trust);
Common Stock — 1,699 shares (Indirect, The Chloe Liliane Sciammas 2020 Irrevocable Trust);
Common Stock — 5,000 shares (Indirect, Clement Sciammas Family 2021 Trust);
Common Stock — 49,460 shares (Indirect, Sciammas Family Trust)
Footnotes (1)
- F1. These transactions were made pursuant to a Rule 10b5-1 trading plan adopted on 11/19/2025.
Key Figures
Shares sold: 30 shares
Sale price per share: $1,116.44 per share
Trust holdings after sale: 1,239 shares
+3 more
6 metrics
Shares sold
30 shares
Open-market sale on April 1, 2026 via Clement Sciammas Trust
Sale price per share
$1,116.44 per share
Common stock sale on April 1, 2026
Trust holdings after sale
1,239 shares
Clement Sciammas Trust indirect ownership following transaction
Direct holdings
178,644 shares
Direct common stock position of Maurice Sciammas after transaction
Sciammas Family Trust holdings
49,460 shares
Indirect holdings in Sciammas Family Trust
Various Sciammas GRATs holdings
26,660 shares
Indirect holdings in various Sciammas GRATs
Key Terms
Rule 10b5-1 trading plan, open-market sale, indirect ownership, GRATs, +1 more
5 terms
Rule 10b5-1 trading plan regulatory
"These transactions were made pursuant to a Rule 10b5-1 trading plan adopted on 11/19/2025."
A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.
open-market sale financial
"transaction_action: "open-market sale" for the 30-share transaction."
An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.
indirect ownership financial
"ownership_type: "indirect" and nature_of_ownership: "Clement Sciammas Trust"."
GRATs financial
"nature_of_ownership: "Various Sciammas GRATs" for one indirect holding entry."
Form 4 regulatory
"INSIDER FILING DATA (Form 4) describing the reported transactions."
Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
What insider transaction did MPWR executive Maurice Sciammas report?
Maurice Sciammas reported an open-market sale of 30 MPWR shares. The sale was executed at $1,116.44 per share through the Clement Sciammas Trust, leaving that trust with 1,239 shares of Monolithic Power Systems common stock as indirect ownership.
Was the MPWR insider sale made under a Rule 10b5-1 trading plan?
Yes, the insider sale was made under a Rule 10b5-1 trading plan. The filing notes that the transactions were executed pursuant to a pre-arranged plan adopted on November 19, 2025, indicating the trades were scheduled in advance rather than timed discretionarily.
AI-generated analysis. How Rhea-AI works. Not financial advice.
