Amkor (AMKR) Insider Watson Receives Minor RSU Credit on Dividend

Rhea-AI Filing Summary

Amkor Technology, Inc. (AMKR) – Form 4 insider transaction

Director David N. Watson filed a Form 4 reporting an acquisition of 38.5269 restricted stock units (RSUs) on 25 June 2025. The RSUs were accrued automatically as dividend-equivalent units (DEUs) linked to a prior grant of time-vested RSUs dated 15 May 2025. Consistent with DEU mechanics, the transaction price is listed at $0 and carries the same vesting provisions as the underlying award.

Following the crediting of these DEUs, Watson’s beneficial ownership in derivative securities tied to Amkor common stock increased to 9,827.5269 RSUs, all held directly. No shares were sold, and no open-market cash consideration was exchanged.

The filing does not reference a Rule 10b5-1 trading plan and shows no change in non-derivative share ownership. Given the small size of the incremental grant relative to Watson’s existing position and Amkor’s share count, the event is routine and not expected to have a material impact on the company’s capital structure or insider sentiment.

Insights

Securities Analyst

TL;DR: Small, automatic DEU accrual—neutral for AMKR investors.

The transaction is administratively triggered by Amkor’s June 25 dividend, adding 38.53 RSUs to Director Watson’s account at no cost. Post-transaction ownership rises to 9,827.53 RSUs, indicating continued alignment but not a strategic buy. There are no sales, no option exercises, and no cash proceeds. Given the de-minimis size versus Amkor’s ~246 million shares outstanding and lack of new information on operations or guidance, I view the filing as neutral with negligible market impact.

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^*

WATSON DAVID 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)

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 David N. Watson	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 Director David N. Watson report in the AMKR Form 4 dated 06/27/2025?

He reported acquiring 38.5269 restricted stock units via dividend-equivalent units on 06/25/2025.

Was the AMKR insider transaction a purchase or a sale?

It was an acquisition; no shares were sold and the price per unit was $0.

How many derivative securities does David N. Watson own after the reported transaction?

He beneficially owns 9,827.5269 RSUs following the accrual.

Does the Form 4 indicate use of a Rule 10b5-1 trading plan?

The filing does not check the box indicating a Rule 10b5-1 plan.

Why were the 38.5269 RSUs granted to the AMKR director?

They represent dividend-equivalent units automatically credited when Amkor paid its dividend on 06/25/2025.