Amkor Technology (AMKR) Chief Accounting Officer reports no share ownership on Form 3

Rhea-AI Filing Summary

Amkor Technology, Inc.’s Chief Accounting Officer, Cherie Buntyn, filed an initial ownership report on Form 3. The filing states that no Amkor Technology securities, either non-derivative or derivative, are beneficially owned. This serves as a baseline disclosure of insider holdings for regulatory reporting purposes.

SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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

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1. Name and Address of Reporting Person^*

Buntyn Cherie

(Last) (First) (Middle)

2045 E INNOVATION CIRCLE

(Street)

TEMPE AZ 85284

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
02/02/2026

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

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

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

5. 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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

Remarks:

No securities are beneficially owned.

	/s/ Mark N. Rogers, Attorney-in-Fact for Cherie Buntyn	02/02/2026
	** 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 5 (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 does the Cherie Buntyn Form 3 filing for AMKR report?

The Form 3 for Amkor Technology’s Chief Accounting Officer, Cherie Buntyn, reports that no company securities are beneficially owned. This establishes her initial insider ownership position for regulatory tracking of any future Amkor stock transactions.

What is Cherie Buntyn’s role at Amkor Technology (AMKR)?

Cherie Buntyn is identified as the Chief Accounting Officer of Amkor Technology, Inc. This officer role makes her a reporting person under SEC rules, requiring an initial Form 3 ownership statement and future transaction reporting on company securities.

Does the AMKR Form 3 show any shares owned by Cherie Buntyn?

No. The Form 3 explicitly states in the remarks that no securities are beneficially owned. Both the non-derivative and derivative securities tables are effectively empty, indicating no reported ownership in Amkor Technology at this time.

Are there any stock option or derivative holdings disclosed for AMKR’s Cherie Buntyn?

No derivative holdings are disclosed. The table for derivative securities such as options or warrants shows no entries, and the remarks confirm that no securities are beneficially owned by Chief Accounting Officer Cherie Buntyn as of the reported date.

Why is this Form 3 important for Amkor Technology (AMKR) investors?

The Form 3 sets the initial baseline of insider ownership for Chief Accounting Officer Cherie Buntyn. Future Form 4 or Form 5 filings will show changes from this zero-ownership starting point, helping investors track any subsequent insider trading activity.

When was the ownership event reported for AMKR’s Chief Accounting Officer?

The Form 3 lists the date of event requiring statement as 02/02/2026. This date marks when Cherie Buntyn’s status triggered the requirement to file an initial beneficial ownership report for Amkor Technology securities, even though no holdings are reported.