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Director at Amkor (NASDAQ: AMKR) receives 2,613 restricted stock units

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

AMKOR TECHNOLOGY, INC. director Robert Randolph Morse received a grant of 2,613 time-vested restricted stock units (RSUs) on May 13, 2026 under the company’s 2021 Equity Incentive Plan. Each RSU may convert into one share of common stock and was awarded for no cash consideration, solely for his board service.

The RSUs will vest in full on the earlier of the first anniversary of the grant date or the company’s first annual meeting of stockholders following that date. Following this grant, Morse holds 2,613 RSUs directly.

Positive

  • None.

Negative

  • None.
Insider Morse Robert Randolph
Role Director
Type Security Shares Price Value
Grant/Award Restricted Stock Units 2,613 $0.00 $0.00
Holdings After Transaction: Restricted Stock Units — 2,613 shares (Direct)
Footnotes (1)
  1. F1. Represents shares of common stock underlying time-vested restricted stock units ("RSUs") granted on May 13, 2026 (the "Grant Date") pursuant to the Amkor Technology, Inc. (the "Issuer") 2021 Equity Incentive Plan. Subject to the terms and conditions of the applicable award agreement, the RSUs may be converted into common stock of the Issuer on a one-for-one basis and will vest in full on the earlier of the first anniversary of the Grant Date or the date of the Issuer's first annual meeting of stockholders immediately following the Grant Date. The RSUs were awarded for no consideration other than the Reporting Person's service as a director of the Issuer.

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Form 4 Insider Transactions: What Each Field Means →

FAQ

What did Amkor (AMKR) director Robert Randolph Morse report in this Form 4?
Robert Randolph Morse reported receiving a grant of 2,613 restricted stock units as director compensation. These RSUs were awarded at no cash cost and may convert into an equal number of Amkor common shares once they vest under the plan’s terms.

How many Amkor (AMKR) restricted stock units were granted to the director?
The director received 2,613 restricted stock units. Each RSU represents a right to receive one share of Amkor common stock after vesting, providing equity-based compensation aligned with shareholder interests rather than an immediate cash payment.

When do the newly granted Amkor (AMKR) RSUs vest for the director?
The RSUs vest in full on the earlier of the first anniversary of the May 13, 2026 grant date or the first annual meeting of Amkor stockholders that occurs after that grant date, subject to the applicable award agreement terms.

What plan governs the Amkor (AMKR) RSU grant to the director?
The RSU grant was made under the Amkor Technology, Inc. 2021 Equity Incentive Plan. This plan provides equity awards like restricted stock units to directors and other participants to deliver stock-based compensation instead of or alongside cash fees.

Did the Amkor (AMKR) director pay cash for the 2,613 RSUs?
No, the RSUs were awarded for no cash consideration. They were granted solely in exchange for Robert Randolph Morse’s service as a director, making them a form of non-cash, equity-based compensation tied to continued board service and vesting conditions.
SEC Form 4
FORM 4UNITED 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*
Morse Robert Randolph
(Last)(First)(Middle)
2045 EAST 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)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
05/13/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Restricted Stock Units(1)05/13/2026A2,613 (1) (1)Common Stock2,613$02,613D
Explanation of Responses:
1. Represents shares of common stock underlying time-vested restricted stock units ("RSUs") granted on May 13, 2026 (the "Grant Date") pursuant to the Amkor Technology, Inc. (the "Issuer") 2021 Equity Incentive Plan. Subject to the terms and conditions of the applicable award agreement, the RSUs may be converted into common stock of the Issuer on a one-for-one basis and will vest in full on the earlier of the first anniversary of the Grant Date or the date of the Issuer's first annual meeting of stockholders immediately following the Grant Date. The RSUs were awarded for no consideration other than the Reporting Person's service as a director of the Issuer.
Remarks:
/s/ Mark N. Rogers, Attorney-in-Fact for Robert R. Morse05/15/2026
** Signature of Reporting PersonDate
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)

Source: View Original Filing on SEC EDGAR