Insider trade

Officer reported a gift or transfer of 25K MPWR shares

Traded Aug 4, 2026 · Filed Aug 7, 2026

Monolithic Power SystemsMPWR

25K
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: Aug 4, 2026
Reporting period: Not applicable
Filed with the SEC: Aug 7, 2026

OfficerGift / 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: 0001214659-26-009744
Filed / recorded

Aug 7, 2026, 12:31 AM 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

Aug 4, 2026

Transaction code

G

Shares / units

25,000

Price per share

$0.00

Acquired / disposed

Disposed (D)

Shares owned after

126,644

Ownership form

Direct

Amendment

No

Footnotes from the filing

25,000 shares were transferred from the reporting person's direct holdings to two GRATs, of which the reporting person is a trustee. No funds were exchanged and no sale of shares occurred in the transfer.

Around the same time

5w ago

2,000Shares

Gift or transfer — classified separately from trades.

Why it stands out Official record

5w ago

2,000Shares

Gift or transfer — classified separately from trades.

Why it stands out Official record

CFO sold ~$42K of Monolithic Power Systems

Automatic sale6w ago