Form 4 for MPWR Monolithic Power Systems
Accepted 2026-05-27 17:07:11 ET · period of report 2026-05-22 · accession 0001214659-26-006798 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-05-27 17:07 | 2026-05-22 | MPWR | Tseng Saria | EVP, GC | G - Gift | $0.00 | -200 | 156.8K | -0.1% | $0 | |
| 2026-05-27 17:07 | 2026-05-22 | MPWR | Tseng Saria | EVP, GC | S - Sale | $1,586.43 | -5,000 | 151.8K | -3% | -$7.93M |
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 | 2026-05-22 | G | D | 200 | $0.00 | 156,783 | D | — | — | (F1) The reported transaction involved a transfer of securities from the reporting person's direct holdings to an individual who is not an immediate family member sharing the same household. No funds were exchanged and no sale of shares occurred in the transfer. Following the completion of the transfer, the reporting person no longer retains any pecuniary interest in the shares. |
| 2 | Common | Common Stock | 2026-05-22 | S | D | 5,000 | $1,586.43 | 151,783 | D | — | — |