Form 4 for MPWR Monolithic Power Systems
Accepted 2026-08-06 20:31:18 ET · period of report 2026-08-04 · accession 0001214659-26-009744 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-08-06 20:31 | 2026-08-04 | MPWR | Sciammas Maurice | EVP, WW Sales, Marketing | G - Gift | $0.00 | -25.0K | 126.6K | -16% | $0 | |
| I | 2026-08-06 20:31 | 2026-08-04 | MPWR | Sciammas Maurice | EVP, WW Sales, Marketing | G - Gift | $0.00 | +25.0K | 36.1K | +226% | $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 | 2026-08-04 | G | D | 25,000 | $0.00 | 126,644 | D | — | — | (F1) 25,000 shares were transferred from the reporting person's direct holdings to two GRATs, 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 | 2026-08-04 | G | A | 25,000 | $0.00 | 36,062 | I Various Sciammas GRATs | — | — | (F2) 25,000 shares were received by two GRATs, 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. |