Insider plans sale of 5,316 AMKR shares

An insider of AMKR has filed a notice of proposed sale under Rule 144 covering 5,316 shares of common stock, with an aggregate market value of 244,719.40.

Rhea-AI Filing Summary

An insider of AMKR has filed a notice of proposed sale under Rule 144 covering 5,316 shares of common stock, with an aggregate market value of 244,719.40. The shares are to be sold through Morgan Stanley Smith Barney LLC on the NASDAQ around 02/17/2026.

The shares derive from restricted stock awards acquired on 09/30/2025 (349 shares) and 12/31/2025 (4,967 shares), both from the issuer. The notice also reports that during the prior three months, the same account holder sold 11,000 common shares for gross proceeds of 508,292.40. Shares outstanding were 247,193,437 at the time referenced.

FAQ

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

What does the AMKR Rule 144 filing disclose about planned share sales?

The filing discloses a planned sale of 5,316 AMKR common shares under Rule 144. These shares, valued at $244,719.40 in aggregate, are scheduled to be sold on NASDAQ through Morgan Stanley Smith Barney LLC Executive Financial Services around February 17, 2026.

How many AMKR shares were previously sold by this holder in the last 3 months?

The holder sold 11,000 AMKR common shares in the prior three months. That sale occurred on December 12, 2025 and generated gross proceeds of $508,292.40, according to the transaction information included in the Rule 144 notice.

What is the source of the AMKR shares being sold under Rule 144?

The AMKR shares being sold come from restricted stock awards granted by the issuer. The insider acquired 349 shares on September 30, 2025 and 4,967 shares on December 31, 2025, both recorded as restricted stock with non-cash consideration noted as not applicable.

Which broker and exchange are involved in the AMKR Rule 144 share sale?

The planned sale will be executed through Morgan Stanley Smith Barney LLC Executive Financial Services. Trades are expected to take place on the NASDAQ exchange, as specified in the securities information section of the Rule 144 filing for AMKR common stock.

How many AMKR shares were outstanding when this Rule 144 notice was prepared?

The Rule 144 notice states that 247,193,437 AMKR common shares were outstanding. This figure provides context for the relative size of the planned 5,316-share sale compared with the issuer’s total shares outstanding at the referenced time.

What types of AMKR securities are covered in this Rule 144 filing?

The filing covers only AMKR common stock. It identifies the class as common shares in multiple sections, including the planned sale of 5,316 shares and the earlier three-month sale of 11,000 shares, with no other security classes mentioned.

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Accepted by SEC EDGAR 02/17/2026 - 04:23 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	0001965254
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	AMKOR TECHNOLOGY, INC.
SEC File Number	000-29472
Address of Issuer	2045 East Innovation Circle Tempe ARIZONA 85284
Phone	(480) 821-5000
Name of Person for Whose Account the Securities are To Be Sold	KEVIN K ENGEL
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	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	5316	244719.40	247193437	02/17/2026	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	09/30/2025	Restricted Stock	Issuer			349	09/30/2025	Not Applicable
Common	12/31/2025	Restricted Stock	Issuer			4967	12/31/2025	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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
KEVIN K ENGEL 2045 East Innovation Circle Tempe AZ 85284	Common	12/12/2025	11000	508292.40

144: Remarks and Signature

Remarks
Date of Notice	02/17/2026
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/ Kevin Engel
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)