Insider trade

Officer sold ~$7.93M of MPWR shares in the open market

Traded May 22, 2026 · Filed May 27, 2026

~$7.93M
Reported value · 5,000 sh @ $1,586.43: 152K
Holds after · shares reported: -14.4%
stock since the trade · S&P 500 +2.5%, $1,589.81 → $1,360.97 on Oct 1

Why it stands out

Monolithic Power Systems's & General Counsel sold $7.93M 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: May 22, 2026
Reporting period: Not applicable
Filed with the SEC: May 27, 2026

Officer$1M+

Context

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$7,932,150

Shares × reported transaction price

Timing vs results

22 days after results of Apr 30, 2026, 69 days before results of Jul 30, 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 $1,589.81 on May 22, 2026, within 5% of its 52-week high, after a 17% rise over the previous 30 trading days

52-week range $661.90 (May 30, 2025) to $1,661.10 (May 11, 2026), 93% of the way up, from 251 adjusted closes. 30 trading days earlier: $1,353.85 on Apr 10, 2026. 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