Form 4 for MPWR Monolithic Power Systems
Accepted 2025-08-08 00:00:00 ET · period of report 2025-08-06 · accession 0001214659-25-011728 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| MI | 2025-08-08 | 2025-08-06 | MPWR | Sciammas Maurice | EVP, WW Sales, Marketing | G - Gift | $0.00 | 0 | 44.9K | 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 | 2025-08-06 | G | D | 2,000 | $0.00 | 13,727 | I Various Sciammas GRATs | — | — | (F2) 2,000 shares were transferred out of two Sciammas 2022 GRATs and two Sciammas 2022 Siblings GRATs, on which the reporting person is a Trustee, to the Sciammas Family Trust, on which the reporting person is a Trustee. No funds were exchanged and no sale of shares occurred in the transfer. |
| 2 | Common | Common Stock | 2025-08-06 | G | D | 1,418 | $0.00 | 9,481 | I Maurice Sciammas Trust FBO Oski Crew | — | — | (F3) 1,418 shares were transferred out of the Maurice Sciammas 2022 Trust for Oski Crew, on which the reporting person is a Trustee, to the Sciammas Family Trust, on which the reporting person is a Trustee. No funds were exchanged and no sale of shares occurred in the transfer. |
| 3 | Common | Common Stock | 2025-08-06 | G | D | 1,418 | $0.00 | 9,481 | I Christina Sciammas Trust FBO Oski Crew | — | — | (F4) 1,418 shares were transferred out of the Christina Sciammas 2022 Trust for Oski Crew, on which the reporting person is a Trustee, to the Sciammas Family Trust, on which the reporting person is a Trustee. No funds were exchanged and no sale of shares occurred in the transfer. |
| 4 | Common | Common Stock | 2025-08-06 | G | A | 4,836 | $0.00 | 44,930 | I Sciammas Family Trust | — | — | (F1) 4,836 shares were transferred to the Sciammas Family Trust, on which the reporting person is a Trustee, from two Sciammas 2022 GRATs, and two Sciammas 2022 Siblings GRATs, and two Sciammas 2022 Trusts for Oski Crew, on which the reporting person is a Trustee. No funds were exchanged and no sale of shares occurred in the transfer. |