Hsing Michael sold MPWR

May 18, 2026 · Form 4 insider transaction

Hsing Michael sold 3,424 shares of Monolithic Power Systems, Inc. at $1462.61 per share, a transaction worth $5.01M. 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
3,424
Price
$1462.61
Total value
$5.01M
RoleOfficer, Director
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateMay 18, 2026
Filing dateMay 20, 2026
Shares owned after884,839
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 $1,459.96 to $1,464.86. 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.; Ending balance includes 29 shares acquired on February 17, 2026 through the Company's qualified ESPP program.

View the original Form 4 on SEC EDGAR