Saria Tseng - 06 Feb 2026 Form 4 Insider Report for MONOLITHIC POWER SYSTEMS INC (MPWR)

Signature
/s/ Saria Tseng
Issuer symbol
MPWR
Transactions as of
06 Feb 2026
Net transactions value
-$26,790,370
Form type
4
Filing time
10 Feb 2026, 18:58:30 UTC
Previous filing
05 Feb 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Tseng Saria EVP & General Counsel 1555 PALM BEACH LAKES BLVD., WEST PALM BEACH /s/ Saria Tseng 10 Feb 2026 0001312593

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MPWR Common Stock Sale $26,790,370 -22,875 -10% $1171.16 200,626 06 Feb 2026 Direct F1
holding MPWR Common Stock 1,000 06 Feb 2026 C&T Discovery Foundation
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The reported sales were to cover taxes upon the release of restricted stock units, as required by the Company's equity incentive plan.