Sciammas Maurice's Form 4 filing
Monolithic Power Systems, Inc. (MPWR) · filed May 19, 2026
- Accession no.
- 0001214659-26-006583
- Filed
- May 19, 2026
- Trade date
- May 15, 2026
- Filing delay
- 4 days
- Rule 10b5-1 plan
- Checked
This filing lists 8 non-derivative transactions. Open-market sales total $18.7M. It was filed 4 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 |
|---|---|
| Sciammas MauriceCIK 0001360833 | Officer (EVP, WW Sales & Marketing) |
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 |
|---|---|---|---|---|---|---|---|---|
| May 15, 2026 | Common Stock | SSaleDisposed | −3,741 | $1,550.36F2 | −$5,799,896.76 | 174,903 | Direct | |
| May 15, 2026 | Common Stock | SSaleDisposed | −1,717 | $1,557.48F3 | −$2,674,193.16 | 173,186 | Direct | |
| May 15, 2026 | Common Stock | SSaleDisposed | −2,010 | $1,562.01F4 | −$3,139,640.1 | 171,176 | Direct | |
| May 15, 2026 | Common Stock | SSaleDisposed | −2,020 | $1,567.15F5 | −$3,165,643 | 169,156 | Direct | |
| May 15, 2026 | Common Stock | SSaleDisposed | −1,312 | $1,571.49F6 | −$2,061,794.88 | 167,844 | Direct | |
| May 15, 2026 | Common Stock | SSaleDisposed | −703 | $1,577.75F7 | −$1,109,158.25 | 167,141 | Direct | |
| May 15, 2026 | Common Stock | SSaleDisposed | −447 | $1,582.21F8 | −$707,247.87 | 166,694 | Direct | |
| May 15, 2026 | Common Stock | SSaleDisposed | −50 | $1,585.51F9 | −$79,275.5 | 166,644 | 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 $1,549.62 to $1,554.55. 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 $1,554.59 to $1,559.37. 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.
- 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 $1,559.61 to $1,564.59. 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 $1,564.75 to $1,569.67. 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 $1,569.78 to $1,574.53. 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 $1,574.9 to $1,579.7. 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 $1,579.97 to $1,584.43. 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 $1,585.17 to $1,586.76. 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.