[144] Silicon Motion Technology CORP SEC Filing

Rhea-AI Filing Summary

Silicon Motion Technology Corp (SIMO) reported a Form 144 notice proposing the sale of 12,500 American Depositary Shares (ADS), representing an aggregate market value of $1,125,000, on 09/17/2025 through Pershing LLC on NASDAQ GS. The shares to be sold match restricted stock awards previously granted by the company between 02/05/2021 and 02/10/2025, totaling 12,500 ADS acquired as equity compensation in five tranches of 2,200, 2,500, 2,800, 2,500 and 2,500 ADS. The filer reports no sales of the issuer's securities in the past three months and certifies they are not aware of undisclosed material adverse information regarding the issuer.

Insights

Financial Analyst

TL;DR Notice of proposed sale of 12,500 ADS worth $1.125M from vested restricted stock awards; appears routine and compensatory.

The Form 144 indicates an insider or related person intends to sell shares received as equity compensation over multiple grant dates (2021–2025). The aggregate size of the proposed sale is $1,125,000 and will be executed through Pershing LLC on NASDAQ GS on 09/17/2025. There are no reported sales in the past three months, suggesting this is not part of frequent trading. From a market-impact perspective, the disclosed amount is explicit but materiality for investors depends on company float and average daily volume, which are not provided in this notice.

Corporate Governance Expert

TL;DR This is a standard Rule 144 disclosure for selling vested restricted shares; compliance steps appear followed.

The filer identifies the securities as restricted stock awards issued by Silicon Motion Technology and confirms the sale will follow Rule 144 procedures. The filing includes acquisition dates and confirms payment was equity compensation, meeting disclosure expectations. The filer also affirms no undisclosed material adverse information. No governance red flags (such as accelerated insider selling or clustered sales) are evident from the notice alone.

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

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

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

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
ADS	Pershing LLC One Pershing Plaza Jersey City NJ 07399	12500	1125000.00	35150000	09/17/2025	NASDAQ GS

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 *
ADS	02/05/2021	Restricted Stock Award	Silicon Motion Technology			2200	02/05/2021	Equity Compensation
ADS	02/10/2022	Restricted Stock Award	Silicon Motion Technology			2500	02/10/2022	Equity Compensation
ADS	02/10/2023	Restricted Stock Award	Silicon Motion Technology			2800	02/10/2023	Equity Compensation
ADS	02/14/2024	Restricted Stock Award	Silicon Motion Technology			2500	02/14/2024	Equity Compensation
ADS	02/10/2025	Restricted Stock Award	Silicon Motion Technology			2500	02/10/2025	Equity Compensation

* 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

Date of Notice

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

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What is being sold in the Form 144 filed for SIMO?

The filing proposes sale of 12,500 ADS of Silicon Motion Technology (SIMO), representing an aggregate market value of $1,125,000.

When is the proposed sale date for the SIMO ADS?

The approximate date of sale listed in the notice is 09/17/2025 via NASDAQ GS through Pershing LLC.

How were the ADS being sold originally acquired?

All 12,500 ADS were acquired as restricted stock awards granted by Silicon Motion Technology between 02/05/2021 and 02/10/2025 as equity compensation.

Did the filer report any securities sold in the past three months?

No. The filing states "Nothing to Report" for securities sold during the past three months.

Through which broker will the SIMO ADS be sold?

The broker named in the filing is Pershing LLC, One Pershing Plaza, Jersey City, NJ.