Form 144: Mark N. Rogers to Sell 5,000 AMKR Shares

Mark N. Rogers submitted a Form 144 reporting an intended sale of 5,000 shares of Common Stock of AMKR on 04/16/2026 via a stock option exercise with cash proceeds.

Rhea-AI Filing Summary

Mark N. Rogers submitted a Form 144 reporting an intended sale of 5,000 shares of Common Stock of AMKR on 04/16/2026 via a stock option exercise with cash proceeds. The filing also lists prior sales of 5,000 shares on 03/16/2026 for $222,700 and 5,000 shares on 02/17/2026 for $234,600.

Insights

Insider Transactions Analyst

Routine Form 144 notice of proposed resale following option exercise.

The filing lists an intended sale of 5,000 common shares on 04/16/2026 tied to a stock option exercise. This is a standard disclosure that provides timing and amounts of a planned disposition by a reporting person.

Prior sales on 03/16/2026 and 02/17/2026 are disclosed with gross proceeds of $222,700 and $234,600, respectively. The filing does not state trading plan status or post-transaction holdings.

Key Figures

Planned sale: 5,000 shares Proceeds (03/16/2026): $222,700 Proceeds (02/17/2026): $234,600

3 metrics

Planned sale 5,000 shares Intended sale on <date>04/16/2026</date> via stock option exercise

Proceeds (03/16/2026) $222,700 5,000 shares sold on <date>03/16/2026</date>

Proceeds (02/17/2026) $234,600 5,000 shares sold on <date>02/17/2026</date>

Key Terms

Form 144, stock option exercise, issuer

3 terms

Form 144 regulatory

"Filer Information | 144: Filer Information"

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.

stock option exercise financial

"Common | 04/16/2026 | Stock Option Exercise"

A stock option exercise is the act of using a previously granted right to buy shares of a company's stock at a specific, predetermined price by paying that price and receiving the shares. It matters to investors because exercising changes who owns the shares (which can dilute existing ownership), can trigger taxable events and shift potential gains or losses, and affects voting power and the company’s outstanding share count—like turning a voucher into an actual product that becomes part of circulating supply.

issuer regulatory

"Stock Option Exercise | ISSUER"

FAQ

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

What does Mark N. Rogers' Form 144 for AMKR report?

It reports an intended sale of 5,000 shares of AMKR on 04/16/2026 tied to a stock option exercise. The form lists prior sales of two separate 5,000-share blocks in February and March 2026.

How much proceeds were reported for recent AMKR sales by the filer?

The filing shows proceeds of $222,700 for a 5,000-share sale on 03/16/2026 and $234,600 for a 5,000-share sale on 02/17/2026. The intended April sale lists 5,000 shares.

What method is the April 16, 2026 AMKR sale reported as?

The April sale is reported as occurring via a stock option exercise with cash proceeds. The filing identifies the transaction type as a stock option exercise on 04/16/2026.

Does the Form 144 state whether proceeds go to the issuer or selling holder?

The April entry lists the transaction as a Stock Option Exercise and indicates ISSUER in the form's method field. The filing does not elaborate further on proceeds allocation beyond that label.

Is there disclosure of a trading plan or Rule 10b5-1 in this Form 144?

The provided excerpt does not include any statement about a Rule 10b5-1 trading plan or pre-arranged plan. The filing lists transaction dates and amounts without referencing a trading plan.

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

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Accepted by SEC EDGAR 04/16/2026 - 04:01 PM EDT 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	0001201997
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	MARK N ROGERS
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	5000	297150.00	247309063	04/16/2026	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	04/16/2026	Stock Option Exercise	ISSUER			5000	04/16/2026	Cash

* 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
MARK N ROGERS 2045 East Innovation Circle Tempe AZ 85284	Common	03/16/2026	5000	222700.00
MARK N ROGERS 2045 East Innovation Circle Tempe AZ 85284	Common	02/17/2026	5000	234600.00

144: Remarks and Signature

Remarks
Date of Notice	04/16/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	08/01/2025
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/ Mark N. Rogers
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)