Xiao Deming 4

What Happened

• Xiao Deming, EVP, Global Operations at Monolithic Power Systems (MPWR), sold 22,875 shares on 2026-02-06 at $1,171.16 per share for a reported total of $26,790,370. The filing reports the sale was to cover taxes upon release of restricted stock units.

Key Details

• Transaction date and price: 2026-02-06 — 22,875 shares @ $1,171.16 each.
• Total reported proceeds: $26,790,370.
• Reason/footnote: Sale made to cover tax withholding on RSU release (per company equity incentive plan; footnote F1).
• Transaction type: Reported as an open-market or private sale (code S).
• Filing: Form 4 filed 2026-02-10 for the 2026-02-06 transaction — filed within the standard two business-day window (timely).
• Shares owned after transaction: Not specified in the provided filing details.

Context

• This was a tax-withholding sale tied to RSU vesting rather than a discretionary sell for investment reasons; such restricted-share sell-to-cover transactions are common and typically routine. Purchases or new grants are generally considered more informative about insider conviction than mandatory tax-withholding sales.