Transaction · 0001214659-26-001254

Tseng Saria

Tseng Saria, EVP, GC, reported a transaction classified as grant at MONOLITHIC POWER SYSTEMS INC involving 57170.000000 shares for an estimated $0.00. Reported holdings after the transaction were 223501.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

grantSEC transaction code AEVP, GC
MPWRMONOLITHIC POWER SYSTEMS INC
Filing timeFeb 06
Trade dateFeb 03, 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
$1,229.82
Pre-filing
1mo ago -23.9%1w ago -10.9%1d ago -4.6%
Returns since
7d -4.7%30d -16.8%90d +28.1%180d +9.4%1y +2.1%

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 2026-02-06Filed 209 days ago · 30 days of pre-filing context shaded
Loading…
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
grant
Code A
Identifier
0001214659-26-001254
Common Stock
Transaction date
Feb 03, 2026
Filed Feb 06, 2026, 12:29 AM · 3d delay
Shares
57.1k sh
$0 per share
Estimated value
$0
Computed from shares × price
Holdings after
223k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Direct Ownership Large Holdings Increase
-16score
Filing-only score

-16

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

    On February 7, 2023, the reporting person was granted performance-based restricted stock units ("PSUs") subject to the achievement of performance conditions over a three-year performance period. On Fe…

Original filing · 0001214659-26-001254
Related transactions

0 other filings

Same reporting owner
Recent company activity

0 recent txs

MPWR