BLEGEN THEODORE 4

What Happened

• Theodore Blegen, EVP and Chief Financial Officer of Monolithic Power Systems (MPWR), sold 21,725 shares on Feb 6, 2026 at $1,171.16 per share, generating approximately $25,443,531. The filing shows the sale was to cover taxes related to the release of restricted stock units under the company’s equity incentive plan.

Key Details

• Transaction date: 2026-02-06; Filing date (Form 4): 2026-02-10 (timely; within the usual two-business-day window).
• Sale details: 21,725 shares disposed at $1,171.16 each; total ≈ $25,443,531.
• Reason/footnote: Sale was to satisfy tax withholding obligations upon RSU vesting (per company equity incentive plan).
• Shares owned after the transaction: not specified in the provided filing.
• No 10b5-1 plan or other trading plan was noted in the supplied data.

Context

• This was a sale (often routine) to cover tax withholding on vested restricted stock units, which is a common administrative transaction and not necessarily an indication of a change in the insider’s view of the company. Purchases tend to be more informative about insider sentiment than routine sales for tax withholding.