STOCK TITAN

Amkor (AMKR) CFO Megan Faust sells 1,000 shares under 10b5-1 plan

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

Rhea-AI Filing Summary

AMKOR TECHNOLOGY, INC. CFO Megan Faust reported an open-market sale of 1,000 shares of common stock at $64.60 per share. The transaction was executed under a pre-arranged Rule 10b5-1 trading plan. After this sale, she directly holds 133,138 shares of Amkor common stock.

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Insider Faust Megan
Role CFO
Sold 1,000 shs ($65K)
Type Security Shares Price Value
Sale Common Stock 1,000 $64.60 $65K
Holdings After Transaction: Common Stock — 133,138 shares (Direct, null)
Footnotes (1)
  1. [object Object]
Shares sold 1,000 shares Open-market sale of common stock
Sale price $64.60 per share Price received in the reported transaction
Post-transaction holdings 133,138 shares Direct ownership after the sale
Transaction code S Sale in open market or private transaction
Trading plan adoption date February 17, 2026 Rule 10b5-1 plan referenced in footnote
Rule 10b5-1 trading plan regulatory
"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person"
A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.
open-market sale financial
"transaction_action": "open-market sale"
An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.
Form 4 regulatory
"The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan"
Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.
Common Stock financial
"security_title": "Common Stock"
Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.
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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).
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*
Faust Megan

(Last)(First)(Middle)
2045 E 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)
Director10% Owner
XOfficer (give title below)Other (specify below)
CFO
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
05/19/2026
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
Common Stock05/19/2026S(1)1,000D$64.6133,138D
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
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 February 17, 2026.
Remarks:
/s/ Mark N. Rogers, Attorney-in-Fact for Megan Faust05/20/2026
** 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)

FAQ

What insider transaction did AMKR CFO Megan Faust report?

AMKOR TECHNOLOGY, INC. CFO Megan Faust reported selling 1,000 shares of common stock. The sale was an open-market transaction at $64.60 per share and was executed under a pre-arranged Rule 10b5-1 trading plan disclosed in the Form 4 filing.

How many AMKR shares does CFO Megan Faust hold after this Form 4 sale?

After the reported sale, Megan Faust directly holds 133,138 shares of AMKOR TECHNOLOGY, INC. common stock. This post-transaction balance, disclosed in the Form 4, shows she retained the vast majority of her previously held shares following the 1,000 share disposition.

What price did AMKR CFO Megan Faust receive per share in the reported sale?

Megan Faust sold 1,000 AMKOR TECHNOLOGY, INC. common shares at a transaction price of $64.60 per share. This price reflects the per-share consideration for the open-market sale reported in the Form 4, executed under her Rule 10b5-1 trading plan.

Was the AMKR CFO’s share sale made under a Rule 10b5-1 trading plan?

Yes. The Form 4 footnote states the sale was effected under a Rule 10b5-1 trading plan adopted by Megan Faust on February 17, 2026. Such plans allow pre-scheduled trades, reducing the significance of timing decisions for the reported transaction.

What type of transaction code appears in AMKR CFO Megan Faust’s Form 4?

The Form 4 lists transaction code “S,” indicating a sale in an open market or private transaction. This code confirms the reported activity was a non-derivative open-market sale of common stock rather than an option exercise, gift, or tax-withholding event.