Form 4 for MPWR Monolithic Power Systems
Accepted 2025-09-23 00:00:00 ET · period of report 2025-09-18 · accession 0001214659-25-014032 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-09-23 | 2025-09-18 | MPWR | Tseng Saria | EVP, GC | S - Sale | $914.45 | -14.5K | 144.5K | -9% | -$13.27M |
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 | 2025-09-18 | S | D | 14,510 | $914.45 | 144,494 | D | — | — | (F1) This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 8/30/2024. (F2) Ending balance includes 27 shares acquired on February 17, 2025 through the Company's qualified ESPP program. |