AMKR SEC Filings: 8-K, 10-Q, S-3 & 424B – Amkor Technology

Financials

TYPE

HEADLINE

FILED AT

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Oct 27, 2026

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Jul 28, 2026

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Apr 28, 2026

10-K

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]

Feb 20, 2026

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Oct 28, 2025

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Jul 29, 2025

News

TYPE

HEADLINE

FILED AT

8-K

Amkor Technology Reports Third Quarter 2026 Financial Results and Q4 Guidance

Oct 26, 2026

8-K

Amkor Technology Reports Record Financial Results for Second Quarter 2026

Jul 27, 2026

8-K

Amkor Technology 2026 Investor Day: Strategic Growth and Financial Outlook

May 21, 2026

8-K

Amkor Technology, Inc. Announces Results of 2026 Annual Meeting of Stockholders

May 19, 2026

8-K

Amkor Technology, Inc. Issues $1.15 Billion in Convertible Senior Notes

May 5, 2026

8-K

Amkor Technology Prices $1,000 Million Convertible Senior Notes Offering

May 1, 2026

Prospectus

TYPE

HEADLINE

FILED AT

424B7

Form 424B7 - Prospectus [Rule 424(b)(7)]

Feb 13, 2026

424B7

Form 424B7 - Prospectus [Rule 424(b)(7)]

Feb 12, 2026

424B7

2,158,852 shares of Common Stock issuable upon exercise of stock options;

Sep 7, 2023

424B7

2,158,852 shares of Common Stock issuable upon exercise of stock options;

Sep 6, 2023

424B3

$225,000,000

Jul 3, 2013

424B3

$300,000,000

Nov 27, 2012

Registrations

TYPE

HEADLINE

FILED AT

FWP

Form FWP - Filing under Securities Act Rules 163/433 of free writing prospectuses

Feb 12, 2026

FWP

Form FWP - Filing under Securities Act Rules 163/433 of free writing prospectuses

Feb 12, 2026

S-3ASR

Common Stock

May 1, 2024

FWP

Amkor Technology Announces Secondary Offering of 10 million Shares of Common Stock by the Kim Family

Sep 6, 2023

S-8

Registration

May 18, 2021

S-8 POS

Registration

May 18, 2021

Proxies

TYPE

HEADLINE

FILED AT

DEFA14A

Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material

Apr 2, 2026

DEF 14A

Form DEF 14A - Other definitive proxy statements

Apr 2, 2026

DEFA14A

Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material

Apr 4, 2025

DEF 14A

Form DEF 14A - Other definitive proxy statements

Apr 4, 2025

PRE 14A

Form PRE 14A - Other preliminary proxy statements

Mar 25, 2025

PX14A6G

Form PX14A6G - Notice of exempt solicitation submitted by non-management

Apr 16, 2024

Ownerships

TYPE

HEADLINE

FILED AT

NEWCarolin Roger Anthony (Reporting)

Nov 9, 2026

144

NEWForm 144 - Report of proposed sale of securities

Nov 9, 2026

Faust Megan (Reporting)

Oct 15, 2026

144

Form 144 - Report of proposed sale of securities

Oct 13, 2026

ALEXANDER DOUGLAS A (Reporting)

Oct 6, 2026

144

Form 144 - Report of proposed sale of securities

Oct 2, 2026

Other

TYPE

HEADLINE

FILED AT