Silicon Motion (SIMO) director discloses initial ADS ownership stake

Rhea-AI Filing Summary

Silicon Motion Technology Corp director LIN KUAN-MING filed an initial Form 3 reporting beneficial ownership of 10,500 American depositary shares, held directly. Each American depositary share represents four ordinary shares of Silicon Motion Technology Corp.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider LIN KUAN-MING

Role Director

Type	Security	Shares	Price	Value
holding	American depositary shares	--	--	--

Holdings After Transaction: American depositary shares — 10,500 shares (Direct)

Footnotes (1)

1. [object Object]

Understanding Insider Trading Forms →

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

LIN KUAN-MING

(Last) (First) (Middle)

C/O SILICON MOTION TECHNOLOGY CORP.

FLAT C, 19/F, WING CHEONG COMMERCIAL BLD

(Street)

HONG KONG ISLAND 00000

(City) (State) (Zip)

TAIWAN, PROVINCE OF CHINA

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026

3. Issuer Name and Ticker or Trading Symbol
Silicon Motion Technology CORP [ SIMO ]

3a. Foreign Trading Symbol

5. If Amendment, Date of Original Filed (Month/Day/Year)

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
American depositary shares(1)	10,500	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Each American depositary share represents four ordinary shares, US$0.01 par value per share, of Silicon Motion Technology Corp.

	/s/ Kuan-Ming Lin	03/27/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)

FAQ

What does LIN KUAN-MING’s Form 3 for SIMO report?

The Form 3 reports LIN KUAN-MING’s initial beneficial ownership in Silicon Motion Technology Corp. It shows direct holdings of 10,500 American depositary shares, establishing his starting equity position as a director in the company’s securities.

How many Silicon Motion (SIMO) ADS does LIN KUAN-MING hold?

LIN KUAN-MING reports direct ownership of 10,500 American depositary shares. This figure appears as his total shares following the reported holding entry, providing a clear snapshot of his initial reported stake as of the Form 3 filing.

What does each Silicon Motion (SIMO) American depositary share represent?

Each Silicon Motion American depositary share represents four ordinary shares. The footnote specifies that every ADS corresponds to four ordinary shares with a par value of US$0.01, clarifying the relationship between the depositary shares and the underlying equity.

Is the Form 3 for SIMO reporting a new transaction or just holdings?

The Form 3 reflects a holding entry, not a new buy or sell transaction. Transaction data show a holding-type record with 10,500 American depositary shares reported directly, and no separate purchase, sale, or derivative exercise identified in the summary metrics.

Does LIN KUAN-MING hold Silicon Motion (SIMO) shares directly or indirectly?

The reported 10,500 American depositary shares are held directly. The ownership code is marked as “D” for direct ownership, and there is no indicated intermediary entity or indirect nature of ownership referenced in the provided information for this position.