Form 4 for MPWR Monolithic Power Systems
Accepted 2025-12-11 00:00:00 ET · period of report 2025-12-09 · accession 0001214659-25-017938 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-12-11 | 2025-12-09 | MPWR | Hsing Michael | CEO, Dir | G - Gift | $0.00 | -12.3K | 906.3K | -1% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2025-12-09 | G | D | 12,337 | $0.00 | 906,332 | D | — | — | (F1) The reported transaction involved a transfer of securities by gift from the reporting person's direct holdings to a 501(c)(3) foundation. The Company has determined that the reporting person does not have any management or investment control or any other pecuniary interest in the shares after the transfer. No funds were exchanged and no sale of shares occurred in the transfer. |