915 Investments offloads 10M Amkor (NASDAQ: AMKR) shares in offering

Rhea-AI Filing Summary

915 Investments, LP, a member of a 10% owner group in Amkor Technology, reported selling 10,000,000 shares of Amkor common stock on February 12, 2026. The shares were sold at $48.49 each in an underwritten secondary offering.

After this transaction, 915 Investments, LP directly held 29,594,980 Amkor shares. The filing notes that John T. Kim is the general partner of 915 Investments, LP, and states that the reporting person does not admit beneficial ownership of securities owned by other members of the group.

Insights

Equity ownership and insider-transactions analyst

Large secondary sale by major Amkor holder, with sizable stake remaining.

915 Investments, LP sold 10,000,000 Amkor common shares at $48.49 per share on February 12, 2026 through an underwritten secondary offering. This is a significant block trade but does not involve the company issuing new shares, so it does not directly raise capital for Amkor.

Following the sale, 915 Investments, LP continued to hold 29,594,980 Amkor shares in direct ownership. The filing describes the seller as a member of a 10% owner group and notes that John T. Kim is its general partner, while disclaiming beneficial ownership of securities held by other group members.

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
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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^*

915 Investments, LP

(Last) (First) (Middle)

C/O SIANA CARR O'CONNOR & LYNAM

1500 EAST LANCASTER AVENUE

(Street)

PAOLI PA 19301-9713

(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)

	Director		10% Owner
	Officer (give title below)	X	Other (specify below)
			Member of 10% owner group (2)

3. Date of Earliest Transaction (Month/Day/Year)
02/12/2026

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
Common Stock	02/12/2026		S(1)		10,000,000	D	$48.49	29,594,980	D

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

Explanation of Responses:

1. On February 12, 2026, the Reporting Person sold 10,000,000 shares of Common Stock of Amkor Technology, Inc. pursuant to an underwritten secondary offering. John T. Kim is the general partner of the Reporting Person.

Remarks:

(2) The Reporting Person states that the filing of this Form 4 shall not be deemed an admission that the Reporting Person is the beneficial owner of the reported securities owned by the other members of the group, for the purpose of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

	/s/ Brian D. Short, Attorney-in-Fact for 915 Investments, LP	02/17/2026
	** 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 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 insider transaction did 915 Investments, LP report for Amkor (AMKR)?

915 Investments, LP reported selling 10,000,000 shares of Amkor common stock. The sale occurred on February 12, 2026 at a price of $48.49 per share, according to a Form 4 insider transaction filing detailing this underwritten secondary offering.

At what price did 915 Investments, LP sell its Amkor (AMKR) shares?

The shares were sold at $48.49 per share. This price applied to 10,000,000 Amkor common shares sold by 915 Investments, LP on February 12, 2026 in an underwritten secondary offering, as disclosed in the Form 4 filing.

How many Amkor (AMKR) shares does 915 Investments, LP hold after the sale?

After the reported transaction, 915 Investments, LP directly holds 29,594,980 Amkor common shares. This post-transaction balance is listed in the Form 4 following the sale of 10,000,000 shares at $48.49 per share in an underwritten secondary offering.

Was the 915 Investments, LP Amkor (AMKR) share sale a secondary offering?

Yes. The Form 4 explains that 915 Investments, LP sold 10,000,000 Amkor common shares pursuant to an underwritten secondary offering. This type of transaction involves existing shareholders selling their shares, rather than Amkor issuing new stock for primary capital raising.

Who is associated with 915 Investments, LP in the Amkor (AMKR) filing?

The filing states that John T. Kim is the general partner of 915 Investments, LP. It also notes that 915 Investments, LP is a member of a 10% owner group and disclaims beneficial ownership of securities owned by other group members.

Does the Form 4 state that 915 Investments, LP is a 10% owner of Amkor (AMKR)?

The Form 4 identifies 915 Investments, LP as a member of a 10% owner group. It clarifies that the reporting person does not admit beneficial ownership of securities owned by other members of that group for purposes of Section 16 or any other purpose.