Amkor (NASDAQ: AMKR) EVP & General Counsel exercises options, sells 5,000 shares

Rhea-AI Filing Summary

Amkor Technology, Inc. executive Mark N. Rogers reported a routine equity transaction involving stock options and common shares. On January 16, 2026, the EVP & General Counsel exercised 5,000 employee stock options at an exercise price of $7.4 per share, receiving 5,000 shares of common stock. On the same date, he sold 5,000 shares of common stock at a price of $49.28 per share pursuant to a Rule 10b5-1 trading plan adopted on August 1, 2025. Following these transactions, he beneficially owned 23,862 shares of common stock directly and 105,000 employee stock options.

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Insider transactions analyst

Routine Form 4 showing option exercise and pre-planned share sale by Amkor executive.

Mark N. Rogers, EVP & General Counsel of Amkor Technology, Inc., reported exercising 5,000 employee stock options at an exercise price of $7.4 per share on January 16, 2026. These options were part of a larger grant originally covering 200,000 shares that vested over four years starting from a June 10, 2019 grant date.

On the same date, he sold 5,000 shares of common stock at $49.28 per share under a Rule 10b5-1 trading plan adopted on August 1, 2025, indicating the sale followed a pre-arranged schedule rather than ad hoc timing. After these transactions, he directly held 23,862 common shares and 105,000 stock options.

The filing reflects typical executive equity activity combining option exercises with share sales tied to a trading plan. Actual market impact, if any, would depend on broader trading volume and context, which are not detailed here.

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^*

ROGERS MARK N

(Last) (First) (Middle)

2045 EAST INNOVATION CIRCLE

(Street)

TEMPE AZ 85284

(City) (State) (Zip)

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)
	EVP & General Counsel

3. Date of Earliest Transaction (Month/Day/Year)
01/16/2026

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

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

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

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	01/16/2026		M		5,000	A	$7.4	28,862	D
Common Stock	01/16/2026		S(1)		5,000	D	$49.28	23,862	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
Employee Stock Option (Right-to-Buy)	$7.4	01/16/2026		M			5,000	06/10/2020(2)	06/10/2029(2)	Common Stock	5,000	$0	105,000	D

Explanation of Responses:

1. The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 1, 2025.

2. This stock option (the "Option") to acquire 200,000 shares of Amkor Technology, Inc. common stock (the "Option Shares") was granted on June 10, 2019 (the "Option Grant Date") and vested over four years as follows: (i) with respect to 25% of the Option Shares, on the first anniversary of the Option Grant Date; and (ii) with respect to the remainder of the Option Shares, in equal quarterly installments thereafter, such that 100% of the Option vested on the fourth anniversary of the Option Grant Date.

Remarks:

	/s/ Mark N. Rogers	01/20/2026
	** 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.
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FAQ

What insider transaction did Amkor (AMKR) report for Mark N. Rogers?

On January 16, 2026, Amkor EVP & General Counsel Mark N. Rogers exercised 5,000 stock options at $7.4 per share and sold 5,000 common shares at $49.28 per share.

Was the Amkor (AMKR) insider stock sale under a Rule 10b5-1 plan?

Yes. The sale of 5,000 Amkor common shares reported by Mark N. Rogers was effected under a Rule 10b5-1 trading plan adopted on August 1, 2025.

How many Amkor (AMKR) shares does Mark N. Rogers hold after this Form 4?

Following the reported transactions, Mark N. Rogers beneficially owned 23,862 shares of Amkor common stock directly and 105,000 employee stock options.

What options did the Amkor (AMKR) executive exercise in this filing?

He exercised 5,000 employee stock options with an exercise price of $7.4 per share, originally granted on June 10, 2019 as part of a grant covering 200,000 shares vesting over four years.

What role does the reporting person hold at Amkor (AMKR)?

The reporting person, Mark N. Rogers, serves as Amkor Technology, Inc.'s EVP & General Counsel and is an officer but not a director or 10% owner.

Is this Amkor (AMKR) Form 4 filing a major corporate event?

The Form 4 reflects routine insider equity activity (option exercise and share sale) by an executive, rather than a major corporate or operational event.