Shareholder plans 10,000-share sale in Company (NASDAQ: AMKR) common stock

Rhea-AI Filing Summary

A holder of AMKR common stock has filed a notice of proposed resale under Rule 144, indicating an intent to sell 10,000 shares through Morgan Stanley Smith Barney LLC on or about 01/15/2026 on the NASDAQ. The filing lists an aggregate market value of about 531,394.00 for these shares, compared with 247,193,437 common shares outstanding.

The shares proposed for sale were acquired as restricted stock from the issuer on 02/24/2024 and 02/16/2024, in amounts of 6,272 and 3,728 shares. The person for whose account the securities are to be sold also reported prior sales of 10,000 shares on 12/15/2025 for gross proceeds of 448,039.00 and 10,000 shares on 11/17/2025 for gross proceeds of 316,791.00.

Insights

Equity Markets & Insider Transactions Analyst

Routine Rule 144 filing for a 10,000-share planned AMKR sale.

The notice describes a planned resale of 10,000 shares of AMKR common stock under Rule 144, using Morgan Stanley Smith Barney LLC as broker on NASDAQ around 01/15/2026. Rule 144 filings are typically administrative disclosures that allow affiliates or large holders to sell restricted or control securities in the public market subject to volume and other conditions.

The form shows the shares come from restricted stock awards acquired from the issuer on 02/24/2024 and 02/16/2024, and notes prior sales of 20,000 shares in the past three months with gross proceeds of 448,039.00 and 316,791.00. With 247,193,437 common shares outstanding, the planned 10,000-share sale is small in percentage terms, so on the information provided this appears to be a routine liquidity transaction rather than a thesis-changing event.

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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

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
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	10000	531394.00	247193437	01/15/2026	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	02/24/2024	Restricted Stock	ISSUER			6272	02/24/2024	Not Applicable
Common	02/16/2024	Restricted Stock	ISSUER			3728	02/16/2024	Not Applicable

* 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
GUILLAUME RUTTEN 2045 East Innovation Circle Tempe AZ 85284	Common	12/15/2025	10000	448039.00
GUILLAUME RUTTEN 2045 East Innovation Circle Tempe AZ 85284	Common	11/17/2025	10000	316791.00

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

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 does the AMKR Rule 144 filing disclose?

It discloses that a holder of AMKR common stock plans to sell 10,000 shares on or about 01/15/2026 on the NASDAQ through Morgan Stanley Smith Barney LLC.

How many AMKR shares are planned to be sold and what is their market value?

The filing lists 10,000 AMKR common shares to be sold with an aggregate market value of about 531,394.00.

How many AMKR shares are outstanding according to this notice?

The notice states that there are 247,193,437 AMKR common shares outstanding.

When and how were the AMKR shares being sold acquired?

The securities were acquired as restricted stock from the issuer on 02/24/2024 (6,272 shares) and 02/16/2024 3,728 shares), with payment described as not applicable.

What AMKR share sales has the holder made in the past three months?

The holder reported selling 10,000 AMKR common shares on 12/15/2025 for gross proceeds of 448,039.00 and another 10,000 shares on 11/17/2025 for 316,791.00.

Which broker is handling the proposed AMKR share sale under Rule 144?

The proposed sale will be handled by Morgan Stanley Smith Barney LLC Executive Financial Services, located at 1 New York Plaza, 8th Floor, New York, NY 10004.