InsiderTrades

Form 4 for MPWR Monolithic Power Systems

Accepted 2025-08-12 00:00:00 ET · period of report 2025-08-11 · accession 0001214659-25-011873 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
2025-08-12 2025-08-11 MPWR Xiao Deming EVP, Gbl Ops G - Gift $0.00 -945 120.7K -0.8% $0
I 2025-08-12 2025-08-11 MPWR Xiao Deming EVP, Gbl Ops G - Gift $0.00 +945 4,336 +28% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-08-11 G D 945 $0.00 120,660 D — — (F2) 945 shares were transferred from the reporting person's direct holdings to Christopher Chao Xiao Trust. No funds were exchanged and no sale of shares occurred in the transfer.
2 Common Common Stock 2025-08-11 G A 945 $0.00 4,336 I Christopher Chao Xiao Trust — — (F1) 945 shares were received by Christopher Chao Xiao Trust from the reporting person. No funds were exchanged and no sale of shares occurred in the transfer.