Hsing Michael sold MPWR
May 18, 2026 · Form 4 insider transaction
Hsing Michael sold 5,737 shares of Monolithic Power Systems, Inc. at $1482.51 per share, a transaction worth $8.51M. 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
5,737
Price
$1482.51
Total value
$8.51M
InsiderHsing Michael
RoleOfficer, Director
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateMay 18, 2026
Filing dateMay 20, 2026
Shares owned after864,152
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 $1,479.99 to $1,484.93. 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.