Form 4 for MPWR Monolithic Power Systems
Accepted 2025-10-17 00:00:00 ET · period of report 2025-10-15 · accession 0001214659-25-015041 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M | 2025-10-17 | 2025-10-15+ | MPWR | Tseng Saria | EVP, GC | S - Sale | $1,017.77 | -16.8K | 127.7K | -12% | -$17.14M |
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 | 2025-10-15 | S | D | 14,028 | $1,016.18 | 130,466 | D | — | — | (F1) These transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 8/30/2024. |
| 2 | Common | Common Stock | 2025-10-16 | S | D | 1,499 | $1,021.26 | 128,967 | D | — | — | (F1) These transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 8/30/2024. |
| 3 | Common | Common Stock | 2025-10-16 | S | D | 1,313 | $1,030.81 | 127,654 | D | — | — | (F1) These transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 8/30/2024. |