Hsing Michael sold MPWR

May 18, 2026 · Form 4 insider transaction

Hsing Michael sold 6,688 shares of Monolithic Power Systems, Inc. at $1486.76 per share, a transaction worth $9.94M. The trade was recorded as open-market sale and disclosed on an SEC Form 4, filed 2 days after the transaction.

Direction
Disposed (sell-side)
Shares
6,688
Price
$1486.76
Total value
$9.94M
RoleOfficer, Director
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateMay 18, 2026
Filing dateMay 20, 2026
Shares owned after857,464
OwnershipDirect
10b5-1 planNo
AmendedNo

Footnotes

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 $1,484.95 to $1,489.73. 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