MPWR EVP sells 30 shares in preplanned trade
MONOLITHIC POWER SYSTEMS INC EVP Maurice Sciammas reported a small preplanned insider sale through a family trust.
Rhea-AI Filing Summary
MONOLITHIC POWER SYSTEMS INC EVP Maurice Sciammas reported a small preplanned insider sale through a family trust. A trust named Clement Sciammas Trust sold 30 shares of common stock at $1,533.95 per share in an open-market transaction made pursuant to a Rule 10b5-1 trading plan adopted on 11/19/2025. Following this sale, that trust held 1,179 shares indirectly, while Sciammas also reported 166,644 shares held directly, suggesting this was a minor, routine disposition relative to his overall reported holdings.
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 ($46K)
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Sale | Common Stock | 30 | $1,533.95 | $46K |
| 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 — 1,179 shares (Indirect, Clement Sciammas Trust);
Common Stock — 166,644 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 — 919 shares (Indirect, Rosalind Sciammas Brokerage Account);
Common Stock — 51,023 shares (Indirect, Sciammas Family Trust);
Common Stock — 12,625 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)
Footnotes (1)
- F1. This transaction was made pursuant to a Rule 10b5-1 trading plan adopted on 11/19/2025.
Key Figures
Shares sold: 30 shares
Sale price per share: $1,533.95/share
Trust holdings after sale: 1,179 shares
+3 more
6 metrics
Shares sold
30 shares
Open-market sale by Clement Sciammas Trust
Sale price per share
$1,533.95/share
Price for the 30 shares sold
Trust holdings after sale
1,179 shares
Clement Sciammas Trust post-transaction balance
Direct holdings
166,644 shares
Common stock held directly by Maurice Sciammas
Sell transactions
1 transaction
transactionSummary sellCount
Net buy/sell shares
-30 shares
Net effect of reported buy and sell activity
Key Terms
Rule 10b5-1 trading plan, open-market sale, indirect ownership, GRATs
4 terms
Rule 10b5-1 trading plan regulatory
"This transaction was 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 disposition"
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
"direct_or_indirect: "I" and nature_of_ownership describing various trusts and accounts"
GRATs financial
"nature_of_ownership: "Various Sciammas GRATs" indicating grantor retained annuity trusts"
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
What insider transaction did MPWR executive Maurice Sciammas report on this Form 4?
Maurice Sciammas reported an indirect sale of 30 shares of Monolithic Power Systems common stock. The sale was executed by the Clement Sciammas Trust, an entity associated with him, and was disclosed as an open-market transaction under a pre-established Rule 10b5-1 trading plan.
AI-generated analysis. How Rhea-AI works. Not financial advice.
