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
Aug 31, 2026
Reporting period
Not applicable
Filed with the SEC
Sep 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
0001214659-26-011363
Filed / recorded
Sep 2, 2026, 9:26 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
Saria Tseng
Relationship
Officer
Officer title
EVP & General Counsel
Security
Common Stock
Table
Non-derivative (Table I)
Transaction date
Aug 31, 2026
Transaction code
G
Shares / units
2,000
Price per share
$0.00
Acquired / disposed
Acquired (A)
Shares owned after
2,000
Ownership form
Indirect — C&T Family Trust
Amendment
No
Footnotes from the filing
2,000 shares were received by C&T Family Irrevocable Trust, of which the reporting person is a trustee, from the reporting person's direct holdings. No funds were exchanged and no sale of shares occurred in the transfer.