Form 4 for MPWR Monolithic Power Systems
Accepted 2025-12-30 00:00:00 ET · period of report 2025-12-24 · accession 0001214659-25-018632 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-12-30 | 2025-12-24 | MPWR | Tseng Saria | EVP, GC | G - Gift | $0.00 | -1,000 | 166.3K | -0.6% | $0 | |
| I | 2025-12-30 | 2025-12-24 | MPWR | Tseng Saria | EVP, GC | G - Gift | $0.00 | +1,000 | 1,000 | New | $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 | 2025-12-24 | G | D | 1,000 | $0.00 | 166,331 | D C&T Discovery Foundation | — | — | (F1) The reported transaction involved a transfer of securities by gift from the reporting person's direct holdings to a 501(c)(3) foundation. No funds were exchanged and no sale of shares occurred in the transfer of the shares. |
| 2 | Common | Common Stock | 2025-12-24 | G | A | 1,000 | $0.00 | 1,000 | I | — | — | (F2) The reported transaction involved a transfer of securities by gift from the reporting person's direct holdings to a 501(c)(3) foundation. The reporting person is the president of the foundation and maintains management and investment control over the shares. No funds were exchanged and no sale of shares occurred in the transfer of the shares. |