Amkor (AMKR) File 144: Proposed Sale of 11,792 Common Shares on NASDAQ

Rhea-AI Filing Summary

Form 144 notice for Amkor Technology, Inc. (AMKR) shows a proposed sale of 11,792 common shares by an insider through Morgan Stanley Smith Barney, with an aggregate market value of $294,800 based on the filing. The shares represent part of previously acquired awards (restricted stock and performance shares) granted by the issuer between August 2024 and February 2025. The filing states the approximate sale date as 09/09/2025 on the NASDAQ and confirms no securities were reported sold by this person in the past three months.

Positive

• Disclosed proposed sale amount: 11,792 shares with an aggregate market value of $294,800
• Clear provenance of shares: detailed acquisition dates and grant types (restricted stock and performance shares)
• Broker identified: Morgan Stanley Smith Barney LLC listed for execution on NASDAQ
• No recent sales reported: the filer reported "Nothing to Report" for sales in the past three months

Negative

• None.

Insights

Financial Analyst

TL;DR: Routine insider sale notice disclosing ~11.8k shares worth $295k, reflecting scheduled disposition of recently issued equity awards.

This Form 144 documents a proposed sale under Rule 144 rather than an open-market ad hoc sale; the securities originated from restricted stock and performance share grants dated between 08/13/2024 and 02/24/2025. The broker is identified and the planned execution date is provided, which improves transparency for investors monitoring insider activity. The size of the sale ($294,800) is modest relative to typical market-capitalization-scale insider transactions and the filing reports no sales in the prior three months.

Corporate Governance Expert

TL;DR: Disclosure aligns with Rule 144 reporting obligations and includes acquisition dates and grant types for the securities to be sold.

The filing lists acquisition types as restricted stock and performance shares, with acquisition and payment dates for each lot, satisfying Rule 144 transparency expectations. The signer affirms no undisclosed material adverse information. This filing is procedural and provides the necessary public record for compliance and insider-trading oversight.

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
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	11792	294800.00	247143055	09/09/2025	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	02/16/2025	Restricted Stock	Issuer			976	02/16/2025	Not Applicable
Common	02/19/2025	Performance Shares	Issuer			1469	02/19/2025	Not Applicable
Common	02/11/2025	Restricted Stock	Issuer			358	02/11/2025	Not Applicable
Common	02/24/2025	Restricted Stock	Issuer			1004	02/24/2025	Not Applicable
Common	08/13/2024	Performance Shares	Issuer			4073	08/13/2024	Not Applicable
Common	02/20/2025	Restricted Stock	Issuer			3912	02/20/2025	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

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 does the AMKR Form 144 disclose about the proposed sale?

The filing discloses a proposed sale of 11,792 common shares valued at $294,800, to be executed through Morgan Stanley Smith Barney on 09/09/2025 on NASDAQ.

What types of shares are being sold according to the AMKR filing?

The securities originated from restricted stock and performance share grants issued by the company between 08/13/2024 and 02/24/2025.

Does the Form 144 report any securities sold by the filer in the past three months?

No. The filing states "Nothing to Report" for securities sold during the past three months by the person for whose account the securities are to be sold.

Who is the executing broker listed on the AMKR Form 144?

The executing broker is listed as Morgan Stanley Smith Barney LLC, Executive Financial Services, 1 New York Plaza, 8th Floor, New York, NY 10004.

When were the shares acquired that are proposed for sale in the AMKR Form 144?

Acquisition dates listed include 08/13/2024, 02/11/2025, 02/16/2025, 02/19/2025, 02/20/2025, and 02/24/2025.