Hsing Michael

CEO, DirectorMONOLITHIC POWER SYSTEMS INC (MPWR) · full profile →Form 4 · filed May 20, 2026
Net Selling
Open-Market Buys
$0
Open-Market Sells
$59.3M
Net Open-Market Flow
-$59.3M
Transactions
13
13 non-derivative · 0 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
May 18, 2026Sell(S)3K$1503.05$4.4M853K
May 18, 2026Sell(S)3K$1462.61$5.0M885K
May 18, 2026Sell(S)6K$1467.62$8.5M879K
May 18, 2026Sell(S)5K$1472.84$7.4M874K
May 18, 2026Sell(S)4K$1476.96$6.0M870K
May 18, 2026Sell(S)6K$1482.51$8.5M864K
May 18, 2026Sell(S)7K$1486.76$9.9M857K
May 18, 2026Sell(S)862$1491.48$1.3M857K
May 18, 2026Sell(S)608$1499.46$912K856K
May 18, 2026Sell(S)4K$1507.70$5.7M849K
May 18, 2026Sell(S)551$1513.11$834K849K
May 18, 2026Sell(S)352$1518.15$534K848K
May 18, 2026Sell(S)130$1521.43$198K848K

Transaction Codes

S
Open-market sale

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001214659-26-006625) within minutes of acceptance. Every field above traces to the original document. Verify it directly: