Amkor (AMKR) CFO Megan Faust sells 1,000 shares via Rule 10b5-1 plan

Rhea-AI Filing Summary

Amkor Technology, Inc. CFO Megan Faust reported the sale of 1,000 shares of common stock on August 11, 2026 at $54.45 per share. Following this transaction, she directly holds 135,105 shares. The sale was effected pursuant to a Rule 10b5-1 trading plan adopted on February 17, 2026.

Insider Trade Summary 10b5-1

Net Seller: 1,000 shares

Net Sell 1 txn

Insider Faust Megan

Role CFO

Sold 1,000 shs ($54K)

Type	Security	Shares	Price	Value
Sale	Common Stock F1	1,000	$54.45	$54K

Holdings After Transaction: Common Stock — 135,105 shares (Direct)

Footnotes (1)

1. F1. The sale reported in the Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 17, 2026.

Key Figures

Shares sold: 1,000 shares Sale price: $54.45 per share Shares held after transaction: 135,105 shares

3 metrics

Shares sold 1,000 shares Common stock sale on August 11, 2026

Sale price $54.45 per share Reported price for the 1,000-share sale

Shares held after transaction 135,105 shares Direct ownership by CFO Megan Faust after the sale

Key Terms

Rule 10b5-1 trading plan, open market or private transaction, Form 4

3 terms

Rule 10b5-1 trading plan regulatory

"The sale was effected pursuant to a Rule 10b5-1 trading plan"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

open market or private transaction financial

"transaction code description indicates a sale in open market or private transaction"

Form 4 regulatory

"The sale reported in the Form 4 was effected pursuant to a Rule 10b5-1"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

FAQ

What insider transaction did Amkor (AMKR) report for CFO Megan Faust?

Amkor reported that CFO Megan Faust sold 1,000 shares of common stock on August 11, 2026 at $54.45 per share. After the sale, she directly holds 135,105 shares of Amkor common stock.

At what price did the Amkor (AMKR) CFO sell shares?

CFO Megan Faust sold shares at an average price of $54.45 per share. The transaction involved 1,000 shares of Amkor common stock and was reported as a sale in an open market or private transaction.

How many Amkor (AMKR) shares does CFO Megan Faust hold after the sale?

After the reported transaction, CFO Megan Faust directly holds 135,105 shares of Amkor common stock. This figure reflects her ownership position following the 1,000-share sale on August 11, 2026.

Was the Amkor (AMKR) CFO’s share sale under a Rule 10b5-1 plan?

Yes. The filing states the sale was effected pursuant to a Rule 10b5-1 trading plan adopted by Megan Faust on February 17, 2026. Such plans pre-arrange trades according to preset instructions.

Is the Amkor (AMKR) CFO’s reported transaction a buy or sell?

The reported transaction is a sale of common stock. CFO Megan Faust disposed of 1,000 shares at $54.45 per share, as categorized by the Form 4 transaction code "S" for a sale.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/13/2026 - 04:37 PM Accepted by SEC EDGAR 08/13/2026 - 04:37 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Faust Megan

(Last) (First) (Middle)

2045 E INNOVATION CIRCLE

(Street)

TEMPE ARIZONA 85284

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
AMKOR TECHNOLOGY, INC. [ AMKR ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	CFO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/11/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	08/11/2026		S(1)		1,000	D	$54.45	135,105	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The sale reported in the Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 17, 2026.

Remarks:

	/s/ Mark N. Rogers, Attorney-in-Fact for Megan Faust	08/13/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)