Did Donald Trump buy Monolithic Power Systems stock?

Common questions

Did Donald Trump buy Monolithic Power Systems stock?

Yes. Donald Trump disclosed 7 purchases and 2 sales of Monolithic Power Systems (MPWR) stock between Mar 11, 2026 and Jul 17, 2026, in an OGE Form 278-T. Added together, the disclosed purchases come to $2.2M-$10.4M and the disclosed sales to $251K-$515K.

How big were Donald Trump's Monolithic Power Systems trades?

OGE filings report a range for each trade, such as $1K-$15K, never an exact amount. Added together, the disclosed purchases come to $2.2M-$10.4M and the disclosed sales to $251K-$515K.

Does Donald Trump 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 Donald Trump report these trades?

The latest filing is dated Sep 22, 2026. Officials have up to 45 days after a trade to report it, so a filing can trail the trade by weeks. Every row shows both dates.

Where does this data come from?

From periodic transaction reports (OGE Form 278-T) filed with the Office of Government Ethics. Every trade links to the original filing.