Form 4 for MPWR Monolithic Power Systems
Accepted 2026-09-02 17:26:23 ET · period of report 2026-08-31 · accession 0001214659-26-011363 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-09-02 17:26 | 2026-08-31 | MPWR | Tseng Saria | EVP, GC | G - Gift | $0.00 | -2,000 | 142.2K | -1% | $0 | |
| I | 2026-09-02 17:26 | 2026-08-31 | MPWR | Tseng Saria | EVP, GC | G - Gift | $0.00 | +2,000 | 2,000 | 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 | 2026-08-31 | G | D | 2,000 | $0.00 | 142,218 | D | — | — | (F1) 2,000 shares were transferred from the reporting person's direct holdings to C&T Family Irrevocable Trust, of which the reporting person is a trustee. No funds were exchanged and no sale of shares occurred in the transfer. |
| 2 | Common | Common Stock | 2026-08-31 | G | A | 2,000 | $0.00 | 2,000 | I C&T Family Trust | — | — | (F2) 2,000 shares were received by C&T Family Irrevocable Trust, of which the reporting person is a trustee, from the reporting person's direct holdings. No funds were exchanged and no sale of shares occurred in the transfer. |