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 OwnershipAll the details
Dates, kept separate
Transaction date
May 29, 2026
Reporting period
Not applicable
Filed with the SEC
Jun 2, 2026
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
0001214659-26-007088
Filed / recorded
Jun 2, 2026, 10:36 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
May 29, 2026
Transaction code
G
Shares / units
12,472
Price per share
$0.00
Acquired / disposed
Disposed (D)
Shares owned after
12,625
Ownership form
Indirect — Various Sciammas GRATs
Amendment
No
Footnotes from the filing
The reported transaction involved distributions of securities from the various GRATs, of which the reporting person is a trustee, to individuals who are not immediate family members sharing the same household. No funds were exchanged and no sale of shares occurred in the distributions. Following the completion of the distributions, neither the GRATs nor the reporting person retains any pecuniary interest in the shares.