Transaction · 0001214659-26-011363

Tseng Saria

Tseng Saria, EVP, GC, reported a transaction classified as gift at MONOLITHIC POWER SYSTEMS, INC. involving 2000.000000 shares for an estimated $0.00. Reported holdings after the transaction were 142218.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

giftSEC transaction code GEVP, GC
MPWRMONOLITHIC POWER SYSTEMS, INC.
Filing timeSep 02
Trade dateAug 31, 2026
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$1,219.35
Pre-filing
1mo ago +17.0%1w ago +5.4%1d ago +3.0%
Returns since
7d +0.0%30d +0.0%90d +0.0%180d +0.0%1y +0.0%

MPWR price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
MPWR since 2026-09-02Filed yesterday · 1 day of post-filing data
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
gift
Code G
Identifier
0001214659-26-011363
Common Stock
Transaction date
Aug 31, 2026
Filed Sep 02, 2026, 09:26 PM · 2d delay
Shares
2.00k sh
$0 per share
Estimated value
$0
Computed from shares × price
Holdings after
142k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Direct Ownership
-6score
Filing-only score

-6

Compact filing score computed from stored Form 4 facts. Version v1.

Mixed or weak signal

This filing has a negative filing-only score. It may be less informative as an insider-activity signal and needs extra context.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

EVP & General Counsel

Officer YesDirector No10% NoOther No
Footnotes & amended
  1. F1

    2,000 shares were transferred from the reporting person's direct holdings to C&T Family Irrevocable Trust, of which the reporting person is a trustee. No funds were exchanged and no sale of shares occ…

  2. F2

    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 occur…

Original filing · 0001214659-26-011363
Related transactions

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Same reporting owner
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