SIMO Form 144: Robert C. Fan reports multiple share sales

ROHM Semiconductor USA, Inc. affiliate Robert C. Fan reported multiple proposed sales of Common Stock on a Form 144.

Rhea-AI Filing Summary

ROHM Semiconductor USA, Inc. affiliate Robert C. Fan reported multiple proposed sales of Common Stock on a Form 144. The notice lists individual sales: 02/25/2026 500 shares for $72,502.07; 02/24/2026 1,000 shares for $140,000.00; and May 2026 trades totaling 1,000 shares with proceeds shown. The filing also records a 500-share purchase through Fidelity Brokerage on 05/24/2023.

Insights

Equity Markets Analyst

Routine Form 144; records proposed affiliate sales in several tranches.

The excerpt lists multiple proposed sales by Robert C. Fan with explicit per-trade share counts and gross proceeds on specific 2026 dates. These entries are transactional notices rather than company operational disclosures.

Cash-flow treatment and whether sales were completed are not stated; subsequent filings or broker confirmations would show execution details.

Key Figures

Sale - 02/24/2026: 1,000 shares Proceeds - 02/24/2026: $140,000.00 Sale - 02/25/2026: 500 shares +3 more

6 metrics

Sale - 02/24/2026 1,000 shares <date>02/24/2026</date>

Proceeds - 02/24/2026 <money>$140,000.00</money> <date>02/24/2026</date>

Sale - 02/25/2026 500 shares <date>02/25/2026</date>

Proceeds - 02/25/2026 <money>$72,502.07</money> <date>02/25/2026</date>

May 2026 trades (examples) 100 + 400 + 500 shares <date>05/18/2026</date> to <date>05/22/2026</date>

Purchase - 05/24/2023 500 shares <date>05/24/2023</date> purchased via Fidelity

Key Terms

Form 144, Open Market, Cash/Check

3 terms

Form 144 regulatory

"144: Securities Sold During The Past 3 Months"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Open Market market

"Common | 05/24/2023 | Purchased | Open Market"

An open market is a system where buying and selling of goods, services, or financial assets happen freely without restrictions or special controls. For investors, it means they can trade assets easily and quickly, which helps determine fair prices based on supply and demand. This environment encourages transparency and competition, making it easier to buy or sell with confidence.

Cash/Check financial

"05/24/2023 | Cash/Check"

FAQ

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

What does the SIMO Form 144 disclose about Robert C. Fan's transactions?

The Form 144 lists proposed sales by Robert C. Fan totaling multiple tranches of common stock on specific dates in 2026. It shows per-trade share counts and gross proceeds such as 1,000 shares for $140,000.00 on 02/24/2026.

How many shares and proceeds are shown for the largest single trade on the filing for SIMO?

The filing shows a 1,000-share entry on 02/24/2026 with gross proceeds of $140,000.00. Several May 2026 entries together equal 1,000 shares with listed proceeds across those trades.

Does the Form 144 indicate whether proceeds go to the issuer or to selling holders for SIMO?

The Form 144 entries report gross proceeds for each selling holder transaction, indicating proceeds associated with the selling holder. The excerpt does not state any proceeds are payable to the issuer or describe use of proceeds.

Is there any purchase activity disclosed for SIMO in the provided excerpt?

Yes, the excerpt records a 500-share purchase through Fidelity Brokerage Services executed on 05/24/2023 described as an open market purchase paid by Cash/Check. That purchase is listed separately from the 2026 sale notices.

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

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Accepted by SEC EDGAR 05/27/2026 - 04:01 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	0002134976
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	Silicon Motion Technology CORP
SEC File Number	000-51380
Address of Issuer	FLAT C, 19/F, WING CHEONG COMMERCIAL BLD NOS 19-25 JERVOIS STREET HONG KONG ISLAND HONG KONG 000
Phone	852 2307 4768
Name of Person for Whose Account the Securities are To Be Sold	Fan Robert C
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	Officer

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	Fidelity Brokerage Services LLC 245 Summer Street Boston MA 02110	500	136225.00	134244840	05/27/2026	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	05/24/2023	Purchased	Open Market			500	05/24/2023	Cash/Check

* 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
Robert C. Fan 690 N. MCCARTHY BLVD., Suite 200 Milpitas CA 95035	Common	02/25/2026	500	72502.07
Robert C. Fan 690 N. MCCARTHY BLVD., Suite 200 Milpitas CA 95035	Common	02/24/2026	1000	140000.00
Robert C. Fan 690 N. MCCARTHY BLVD., Suite 200 Milpitas CA 95035	Common	05/18/2026	100	24466.54
Robert C. Fan 690 N. MCCARTHY BLVD., Suite 200 Milpitas CA 95035	Common	05/19/2026	400	99964.99
Robert C. Fan 690 N. MCCARTHY BLVD., Suite 200 Milpitas CA 95035	Common	05/22/2026	500	134964.26

144: Remarks and Signature

Remarks	Shares sold out of account: FMT CO CUST IRA ROLLOVER FBO ROBERT CHENG-HUA FAN
Date of Notice	05/27/2026
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/ Christian Nasser as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Robert Fan
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)