Silicon Motion (SIMO) Insider Files Rule 144 to Sell 6,000 ADS

Rhea-AI Filing Summary

Silicon Motion Technology Corporation (SIMO) Form 144 notifies a proposed sale of 6,000 ADS through Pershing LLC on NASDAQ GS with an aggregate market value of $509,100. The filing reports 35,150,000 ADS outstanding and an approximate sale date of 09/03/2025.

The securities were acquired as restricted stock awards from Silicon Motion Technology on 02/11/2022 (2,500 ADS), 02/13/2023 (2,800 ADS) and 02/16/2024 (700 ADS). The filer also reported three sales in the past three months totaling 8,000 ADS for gross proceeds of $631,365 across trades on 06/20/2025, 08/26/2025 and 08/28/2025.

Positive

• Planned sale disclosed transparently: 6,000 ADS with aggregate market value of $509,100 and broker identified as Pershing LLC
• Acquisition history provided: Restricted stock awards on 02/11/2022 (2,500 ADS), 02/13/2023 (2,800 ADS) and 02/16/2024 (700 ADS) showing equity compensation origin
• Prior sales disclosed: 8,000 ADS sold in the past three months for total gross proceeds of $631,365

Negative

• None.

Insights

Securities Analyst

TL;DR: Routine Rule 144 sale of 6,000 ADS by an insider; transaction size is negligible versus total outstanding shares.

The filing documents a planned sale of 6,000 ADS with an aggregate market value of $509,100, representing approximately 0.017% of 35,150,000 ADS outstanding. The securities were granted as restricted stock awards over 2022–2024 and are being routed through Pershing LLC. Recent reported disposals total 8,000 ADS for $631,365 in gross proceeds, indicating ongoing liquidity events by the holder. From a market-impact perspective, these transactions are small relative to the float and appear to be routine monetization of equity compensation rather than a material event.

Corporate Compliance/Risk Analyst

TL;DR: Filing meets Rule 144 disclosure elements; signer certifies absence of undisclosed material adverse information.

The Form 144 includes acquisition dates, nature of acquisition (restricted stock awards), broker details (Pershing LLC) and recent sales during the prior three months. The notice includes the statutory representation that the seller is not aware of undisclosed material adverse information. There are no statements in the filing indicating regulatory issues, contingent liabilities, or deviations from Rule 144 reporting requirements.

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	6000	509100.00	35150000	09/03/2025	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	02/11/2022	Restricted Stock Award	Silicon Motion Technology			2500	02/11/2022	Equity Compensation
ADS	02/13/2023	Restricted Stock Award	Silicon Motion Technology			2800	02/13/2023	Equity Compensation
ADS	02/16/2024	Restricted Stock Award	Silicon Motion Technology			700	02/16/2024	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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
HAN-PING SHIEH 24F., NO. 153, WENSHIN RD. HSINCHU COUNTY CHUPEI CITY F5 302	Silicon Motion Technology	06/20/2025	2000	143565.00
HAN-PING SHIEH 24F., NO. 153, WENSHIN RD. HSINCHU COUNTY CHUPEI CITY F5 302	Silicon Motion Technology	08/26/2025	2000	158600.00
HAN-PING SHIEH 24F., NO. 153, WENSHIN RD. HSINCHU COUNTY CHUPEI CITY F5 302	Silicon Motion Technology	08/28/2025	4000	329200.00

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 reported in the SIMO Form 144?

The Form 144 reports a proposed sale of 6,000 ADS with an aggregate market value of $509,100 to be executed through Pershing LLC on or about 09/03/2025.

How many ADS does Silicon Motion report outstanding in this filing?

The filing lists 35,150,000 ADS outstanding.

When and how were the ADS being sold acquired by the filer?

The ADS were received as restricted stock awards from Silicon Motion Technology on 02/11/2022 (2,500 ADS), 02/13/2023 (2,800 ADS), and 02/16/2024 (700 ADS).

Did the filer sell any SIMO shares recently?

Yes. The filer reported three sales in the past three months totaling 8,000 ADS with gross proceeds of $143,565, $158,600, and $329,200 respectively.

Through which broker will the proposed sale be executed?

The proposed sale is to be executed through Pershing LLC, One Pershing Plaza, Jersey City, NJ on NASDAQ GS.