Holder plans Rule 144 sale of 200 shares

An affiliated holder of the issuer’s common stock has filed a notice of proposed sale under Rule 144 to sell 200 shares, with an aggregate market value of $240,000, on the NASDAQ around February 10, 2026.

Rhea-AI Filing Summary

An affiliated holder of the issuer’s common stock has filed a notice of proposed sale under Rule 144 to sell 200 shares, with an aggregate market value of $240,000, on the NASDAQ around February 10, 2026. The filing states that 47,900,000 shares of this class were outstanding at the time of the notice.

The 200 shares to be sold were received on May 28, 2025 through two GRAT distributions from Maurice Sciammas, originally acquired as 81 shares on May 2, 2018 and 119 shares on May 7, 2014. The seller represents they are not aware of undisclosed material adverse information about the issuer’s operations.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does the MPWR Form 144 filing disclose about planned share sales?

The Form 144 notice discloses a planned Rule 144 sale of 200 shares of the issuer’s common stock, with an aggregate market value of $240,000, to be sold on the NASDAQ around February 10, 2026.

How many MPWR shares are outstanding according to this Rule 144 notice?

The notice states that 47,900,000 shares of the issuer’s common stock were outstanding when the filing was made. This figure provides context for the planned Rule 144 sale of 200 shares relative to the issuer’s total common stock base.

How were the 200 MPWR shares in the Form 144 filing originally acquired?

The 200 common shares were received via GRAT distributions from Maurice Sciammas on May 28, 2025, originating from prior acquisitions of 81 shares on May 2, 2018 and 119 shares on May 7, 2014, as detailed in the filing’s acquisition table.

On which exchange will the MPWR Rule 144 shares be sold and what is their value?

The filing indicates the common stock is to be sold on the NASDAQ, through UBS Financial Services Inc., with an aggregate market value of $240,000 for the 200 shares covered by this Rule 144 notice.

What representation does the seller make in the MPWR Rule 144 notice?

The seller represents that they do not know of any material adverse information about the issuer’s current or prospective operations that has not been publicly disclosed, as part of the standard certification language included in the Rule 144 notice.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 02/10/2026 - 01:47 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001360833
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Monolithic Power Systems Inc
SEC File Number	000-51026
Address of Issuer	1555 PALM BEACH LAKES BLVD WEST PALM BEACH FLORIDA 33401
Phone	561-839-3999
Name of Person for Whose Account the Securities are To Be Sold	The Sciammas Trust DTD 06/08/2018
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Member of immediate family of any of the foregoing

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common stock	UBS Financial Services Inc 1000 Harbor Blvd 3rd Floor Weehawken NJ 07086	200	240000	47900000	02/10/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common stock	05/28/2025	GRAT Distribution	Maurice Sciammas		05/02/2018	81	05/02/2018	NA
Common stock	05/28/2025	GRAT Distribution	Maurice Sciammas		05/07/2014	119	05/07/2014	NA

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks	Clement Sciammas is the trustee of The Sciammas Trust DTD 06/08/2018. He is the sibling of Maurice Sciammas, an affiliate of Monolithic Power Systems, Inc.
Date of Notice	02/10/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/JOSEPH CASSIDY, for UBS Financial Services Inc, as attorney-in-fact for The Sciammas Trust DTD 06/08/2018
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)