Guillaume Rutten plans sale of 10,000 shares

Guillaume Rutten has filed a notice to sell 10,000 shares of common stock.

Rhea-AI Filing Summary

Guillaume Rutten has filed a notice to sell 10,000 shares of common stock. The planned sale is through Morgan Stanley Smith Barney LLC and covers shares listed on NASDAQ with an aggregate market value of 458,927.00, out of 247,193,437 shares outstanding.

The shares to be sold were acquired as restricted stock from the issuer on 02/24/2024 and 07/01/2024, in amounts of 4,476 and 5,524 shares. Over the past three months, Rutten has already sold 10,000 shares on 12/15/2025 for 448,039.00 and another 10,000 shares on 01/15/2026 for 531,394.00.

FAQ

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

What does the Form 144 filing related to AMKR disclose?

The filing discloses that Guillaume Rutten plans to sell 10,000 shares of common stock through Morgan Stanley Smith Barney LLC, with an aggregate market value of $458,927.00. These shares are part of a much larger base of 247,193,437 shares outstanding.

How many AMKR shares is Guillaume Rutten planning to sell under this notice?

Guillaume Rutten is planning to sell 10,000 shares of common stock. The filing lists these shares with an aggregate market value of $458,927.00 and identifies NASDAQ as the securities exchange where the stock is traded.

When and how did Guillaume Rutten acquire the AMKR shares being sold?

The shares were acquired as restricted stock from the issuer on 02/24/2024 and 07/01/2024. Rutten obtained 4,476 shares on the first date and 5,524 shares on the second, with payment noted as not applicable in both cases.

What recent AMKR share sales by Guillaume Rutten are reported in the filing?

The filing reports two prior sales in the last three months. Rutten sold 10,000 shares on 12/15/2025 for $448,039.00, and another 10,000 shares on 01/15/2026 for $531,394.00, both involving common stock.

What is the total number of AMKR shares outstanding mentioned in the filing?

The filing states that 247,193,437 shares of common stock are outstanding. This figure provides context for the planned sale of 10,000 shares, showing the sale is small relative to the total share count.

On which exchange are the AMKR shares in this Form 144 traded?

The shares referenced in the Form 144 are traded on NASDAQ. The broker named for the planned 10,000-share sale is Morgan Stanley Smith Barney LLC Executive Financial Services, based in New York, New York.

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

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Accepted by SEC EDGAR 02/17/2026 - 04:21 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	0001596796
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	GUILLAUME RUTTEN
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	Director

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	458927.00	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	02/24/2024	Restricted Stock	ISSUER			4476	02/24/2024	Not Applicable
Common	07/01/2024	Restricted Stock	ISSUER			5524	07/01/2024	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	01/15/2026	10000	531394.00
GUILLAUME RUTTEN 2045 East Innovation Circle Tempe AZ 85284	Common	12/15/2025	10000	448039.00

144: Remarks and Signature

Remarks
Date of Notice	02/17/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	06/06/2025
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/ Guillaume Marie Jean Rutten
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)