Insider trade

Officer reported a gift or transfer of 4,530 MPWR shares

Traded Nov 13, 2025 · Filed Nov 14, 2025

Monolithic Power SystemsMPWR

4,530
Shares

Why it stands out

Gift or transfer — classified separately from trades.

Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell

View the official recordSEC Form 4 — Statement of Changes in Beneficial Ownership

All the details

Dates, kept separate

Transaction date: Nov 13, 2025
Reporting period: Not applicable
Filed with the SEC: Nov 14, 2025

OfficerIndirect holdingGift / transfer

Context

Classification

gift transfer

Code G — gift, bequest or transfer

Planned / mechanical clue

None found in footnotes

Only flagged when a footnote says so; never inferred

Source receipt

Record ID

0001214659-25-016758

Filed / recorded

Nov 14, 2025, 11:31 PM UTC

Added to OQRO

Oct 2, 2026, 12:28 PM UTC

Parser

form4-xml-v1

Data quality

Verified: identifiers matched exactly

Issuer

MONOLITHIC POWER SYSTEMS INC

Issuer CIK

1280452

Ticker

MPWR

Reporting person

Maurice Sciammas

Relationship

Officer

Officer title

EVP, WW Sales & Marketing

Security

Common Stock

Table

Non-derivative (Table I)

Transaction date

Nov 13, 2025

Transaction code

G

Shares / units

4,530

Price per share

$0.00

Acquired / disposed

Disposed (D)

Shares owned after

26,660

Ownership form

Indirect — Various Sciammas GRATs

Amendment

No

Footnotes from the filing

4,530 shares were transferred from two GRATs, on which the reporting person is a Trustee, to the Sciammas Family Trust, on which the reporting person is a Trustee. No funds were exchanged, and no sale of shares occurred in the transfer.

Around the same time

10mo ago

12KShares

Gift or transfer — classified separately from trades.

Why it stands out Official record

CFO sold ~$36K of Monolithic Power Systems

Scheduled in advance10mo ago

CFO sold ~$36K of Monolithic Power Systems

Scheduled in advance10mo ago