Did Markwayne Mullin buy Monolithic Power Systems stock?

Common questions

Did Markwayne Mullin buy Monolithic Power Systems stock?

Yes. Markwayne Mullin disclosed 3 purchases of Monolithic Power Systems (MPWR) stock between Jan 5, 2026 and Feb 4, 2026, in STOCK Act reports. Added together, the disclosed ranges come to $45K-$150K.

How big were Markwayne Mullin's Monolithic Power Systems trades?

STOCK Act reports give a range for each trade, such as $15K-$50K, never an exact amount. Added together, the disclosed ranges come to $45K-$150K.

Did Markwayne Mullin make these Monolithic Power Systems trades personally?

Not always. The STOCK Act requires members to report trades by themselves, a spouse and dependent children. The owner column of each linked filing says whose trade it was.

Does Markwayne Mullin still own Monolithic Power Systems stock?

This page lists reported trades, not holdings. A purchase can have been sold since, and the filings shown do not say what is held today.

When did Markwayne Mullin report these trades?

The latest filing is dated Mar 2, 2026. The STOCK Act gives members of Congress 45 days to report a trade, so a filing can trail the trade by weeks. Every row shows both dates.

Where does this data come from?

From periodic transaction reports filed under the STOCK Act with the Secretary of the Senate. Every trade links to the original filing.