Hsing Michael's Form 4 filing
Monolithic Power Systems, Inc. (MPWR) · filed Feb 13, 2026
- Accession no.
- 0001214659-26-001738
- Filed
- Feb 13, 2026
- Trade date
- Feb 11, 2026
- Filing delay
- 2 days
- Rule 10b5-1 plan
- Checked
This filing lists 10 non-derivative transactions. Open-market sales total $39.2M. 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 |
|---|---|
| Hsing MichaelCIK 0001308676 | Director, Officer (CEO) |
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 |
|---|---|---|---|---|---|---|---|---|
| Feb 11, 2026 | Common Stock | SSaleDisposed | −363 | $1,158.71F2 | −$420,611.73 | 953,871 | Direct | |
| Feb 11, 2026 | Common Stock | SSaleDisposed | −1,366 | $1,163.71F3 | −$1,589,627.86 | 952,505 | Direct | |
| Feb 11, 2026 | Common Stock | SSaleDisposed | −1,533 | $1,167.62F4 | −$1,789,961.46 | 950,972 | Direct | |
| Feb 11, 2026 | Common Stock | SSaleDisposed | −1,987 | $1,172.92F5 | −$2,330,592.04 | 948,985 | Direct | |
| Feb 11, 2026 | Common Stock | SSaleDisposed | −2,799 | $1,177.67F6 | −$3,296,298.33 | 946,186 | Direct | |
| Feb 11, 2026 | Common Stock | SSaleDisposed | −1,542 | $1,182.82F7 | −$1,823,908.44 | 944,644 | Direct | |
| Feb 11, 2026 | Common Stock | SSaleDisposed | −2,104 | $1,188.17F8 | −$2,499,909.68 | 942,540 | Direct | |
| Feb 11, 2026 | Common Stock | SSaleDisposed | −6,079 | $1,192.67F9 | −$7,250,240.93 | 936,461 | Direct | |
| Feb 11, 2026 | Common Stock | SSaleDisposed | −14,578 | $1,197.20F10 | −$17,452,781.6 | 921,883 | Direct | |
| Feb 11, 2026 | Common Stock | SSaleDisposed | −649 | $1,202.28F11 | −$780,279.72 | 921,234 | 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.
- F2
The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $1,155.64 to $1,160.62 The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
Referenced by the price of 1 transaction in Table I.
- F3
The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $1,160.70 to $1,165.64 The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
Referenced by the price of 1 transaction in Table I.
- F4
The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $1,166.00 to $1,169.96. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
Referenced by the price of 1 transaction in Table I.
- F5
The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $1,170.10 to $1,175.09. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
Referenced by the price of 1 transaction in Table I.
- F6
The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $1,175.27 to $1,180.19. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
Referenced by the price of 1 transaction in Table I.
- F7
The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $1,180.29 to $1,185.29. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
Referenced by the price of 1 transaction in Table I.
- F8
The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $1,185.33 to $1,190.26. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
Referenced by the price of 1 transaction in Table I.
- F9
The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $1,190.39 to $1,195.37. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
Referenced by the price of 1 transaction in Table I.
- F10
The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $1,195.44 to $1,200.37. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
Referenced by the price of 1 transaction in Table I.
- F11
The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $1,200.46 to $1,203.86. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.
Referenced by the price of 1 transaction in Table I.