Amkor Technology Form 4: Churchill Receives 38.5 New RSUs at $0 Cost

Rhea-AI Filing Summary

Amkor Technology, Inc. (AMKR) – Form 4 filing dated 27 June 2025: Director Winston J. Churchill disclosed a small, automatic increase in his derivative holdings. On 25 June 2025 he received 38.5269 dividend-equivalent restricted stock units (RSUs) that accrued when the company paid its cash dividend on that same date. The transaction is coded “A” (acquisition) and carries a $0 exercise/price because dividend-equivalent units are granted at no cost to the insider.

Following the credit of these units, Churchill now holds 9,827.5269 RSUs directly. No common shares were bought or sold, and no disposition occurred. The filing does not indicate that the transaction was executed under a Rule 10b5-1 trading plan, and no other equity instruments (options, warrants, etc.) were reported. Churchill remains classified as a non-employee director; no changes to his status, board role or compensation structure were disclosed.

Because the reported increase represents less than 0.1% of outstanding RSUs typically held by senior insiders and was generated mechanically by the dividend policy, the event is administrative in nature and does not materially alter insider ownership or signal a change in sentiment. Investors usually view such DEU accruals as neutral since they neither require capital outlay nor reflect an active investment decision.

Positive

• Director’s derivative holdings increased, albeit marginally, which can be interpreted as continued alignment with shareholder interests.

Negative

• None.

Insights

Securities Analyst

TL;DR: Routine dividend-equivalent RSU accrual; immaterial volume; neutral signal for AMKR investors.

The filing shows Churchill’s stake rising by just 38.5 RSUs, pushing total derivative holdings to about 9.8 k units. Because no common shares changed hands and no cash price was paid, the transaction does not affect free float, liquidity, or insider purchasing trends. It is simply the mechanical result of Amkor’s dividend policy whereby RSU holders receive additional units in lieu of cash. Therefore, I classify the impact on valuation and sentiment as neutral; it neither strengthens nor weakens the investment thesis.

Corporate Governance Expert

TL;DR: Governance disclosure fulfilled; administrative RSU credit, no implications for control or board dynamics.

Form 4 compliance is timely (filed within two business days). The attorney-in-fact signature indicates standard power-of-attorney use, and no red flags appear. Since the RSUs are unvested and stem from an existing 2025 award, voting power does not immediately increase. There is no shift in Churchill’s influence or board independence. Accordingly, the governance impact is minimal, meriting a neutral score.

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).

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^*

CHURCHILL WINSTON J

(Last) (First) (Middle)

500 SE MIZNER BLVD.

APT 305A

(Street)

BOCA RATON FL 33432-6083

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
06/25/2025

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

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
Restricted Stock Units	(1)	06/25/2025		A		38.5269		(1)	(1)	Common Stock	38.5269	$0	9,827.5269	D

Explanation of Responses:

1. Represents dividend equivalent units ("DEUs") accrued upon the payment of a dividend on June 25, 2025 with respect to time-vested restricted stock units ("RSUs") of the Issuer granted to the Reporting Person on May 15, 2025. Each DEU represents an additional RSU subject to the same provisions as the RSU with respect to which the DEU was accrued.

Remarks:

	Mark N. Rogers, Attorney-in-Fact for Winston J. Churchill	06/27/2025
	** 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.

FAQ

What did Amkor Technology (AMKR) disclose in the latest Form 4?

Director Winston J. Churchill acquired 38.5269 RSUs on 25 June 2025 through dividend-equivalent accrual.

How many restricted stock units does Churchill now own after the transaction?

He beneficially owns 9,827.5269 RSUs following the reported transaction.

Was cash paid for the RSUs acquired on 25 June 2025?

No. The RSUs were credited at $0 cost as dividend-equivalent units.

Does the filing mention use of a Rule 10b5-1 trading plan?

The box indicating a Rule 10b5-1(c) plan was not checked; therefore, the transaction was not executed under such a plan.

Is the Form 4 filing considered material for investors?

Given the small amount (38.5 RSUs) and automatic nature, analysts generally view it as non-material to AMKR’s valuation.