Tseng Saria's Form 4 filing
Monolithic Power Systems, Inc. (MPWR) · filed Oct 17, 2025
- Accession no.
- 0001214659-25-015041
- Filed
- Oct 17, 2025
- Trade date
- Oct 15-16, 2025
- Filing delay
- 2 days
- Rule 10b5-1 plan
- Checked
This filing lists 3 non-derivative transactions. Open-market sales total $17.1M. It was filed 2 days after the trade.
Reporting owners
A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.
| Owner | Relationship to the company |
|---|---|
| Tseng SariaCIK 0001312593 | Officer (EVP & General Counsel) |
Non-derivative securities (Table I)
Acquisitions and disposals of common stock and similar shares, one row per line on the filing.
| Trade date | Security | Transaction | Shares | Price | Value | Shares after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Oct 15, 2025 | Common Stock | SSaleDisposed | −14,028 | $1,016.18 | −$14,254,973.04 | 130,466 | Direct | |
| Oct 16, 2025 | Common Stock | SSaleDisposed | −1,499 | $1,021.26 | −$1,530,868.74 | 128,967 | Direct | |
| Oct 16, 2025 | Common Stock | SSaleDisposed | −1,313 | $1,030.81 | −$1,353,453.53 | 127,654 | Direct |
Footnotes and remarks
Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.
No transaction price on this filing refers to a footnote.