Hsing Michael sold MPWR

February 11, 2026 · Form 4 insider transaction

Hsing Michael sold 363 shares of Monolithic Power Systems, Inc. at $1158.71 per share, a transaction worth $420.6K. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 2 days after the transaction.

Direction
Disposed (sell-side)
Shares
363
Price
$1158.71
Total value
$420.6K
RoleOfficer, Director
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateFebruary 11, 2026
Filing dateFebruary 13, 2026
Shares owned after953,871
OwnershipDirect
10b5-1 planYes
AmendedNo

Footnotes

These transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 8/25/2025.; The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $1,155.64 to $1,160.62 The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

View the original Form 4 on SEC EDGAR
Hsing Michael sold MPWR: February 11, 2026 | Insider Trading Screener