Insider trade

Officer sold ~$3.56M of MPWR shares in the open market

Traded Nov 24, 2025 · Filed Nov 25, 2025

~$3.56M
Reported value · 3,976 sh @ $895.23: 144K
Holds after · shares reported: +52.4%
stock since the trade · S&P 500 +14.2%, $892.97 → $1,360.97 on Oct 1

Why it stands out

Monolithic Power Systems's WW Sales & Marketing sold $3.56M of Monolithic Power Systems shares. Nobody planned it ahead of time.

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: Nov 24, 2025
Reporting period: Not applicable
Filed with the SEC: Nov 25, 2025

Officer$1M+

Context

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$3,559,434

Shares × reported transaction price

Timing vs results

25 days after results of Oct 30, 2025, 73 days before results of Feb 5, 2026

Results dates are the company's own 8-K (Item 2.02). Many companies only let insiders trade in a window after results

Price at the time

Closed at $892.97 on Nov 24, 2025, 96% above its 52-week low and 19% below its high, after a 9% drop over the previous 30 trading days

52-week range $455.19 (Apr 8, 2025) to $1,105.05 (Oct 27, 2025), 67% of the way up, from 250 adjusted closes. 30 trading days earlier: $981.67 on Oct 13, 2025. Describes the past only, not a forecast

Planned / mechanical clue

None found in footnotes

Only flagged when a footnote says so; never inferred

Securities lawsuit open at the trade date

A securities lawsuit naming the company as a defendant was filed on Feb 4, 2025 in the U.S. District Court, W.D. Washington. A filing is an allegation, not a finding.

Waterford Township General Employees Retirement System v. Monolithic Power Systems Inc, docket 2:25-cv-00220, via CourtListener (court records). Nature of suit 850, company named as first defendant