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CIK 0001047127 · Large accelerated filer

AMKOR TECHNOLOGY, INC.

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Ticker
AMKR
Exchange
Nasdaq
Industry
Semiconductors & Related Devices
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
231722724
Phone
480-821-5000
Business address
2045 EAST INNOVATION CIRCLE, TEMPE, AZ, 85284
Former names
AMKOR TECHNOLOGY INC
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$739,870
in 6 filings, $740K under 10b5-1 plans

Net −$739,870. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2025-12-26 2023 Grantor Retained Annuity Trust of Susan Y. Kim Dated 9/15/2023 Member of 10% owner group (2) Gift −725,000 0
2025-12-26 KIM JOHN T 10% owner Gift +725,000 9,846,944
2025-12-26 KIM SUSAN Y Director Gift −725,000 1,124,000
2025-12-26 KIM AGNES C Member of 10% owner group (3) Gift +725,000 10,737,355
2025-12-26 KIM JAMES J 10% owner Gift +725,000 725,000
2025-12-23 ALEXANDER DOUGLAS A Director Grant or award · Restricted Stock Units +17.8 9,222.28
2025-12-23 ALEXANDER DOUGLAS A Director Grant or award · Restricted Stock Units +17.33 8,880.06
2025-12-23 ALEXANDER DOUGLAS A Director Grant or award · Restricted Stock Units +20.01 9,874.9
2025-12-23 Carolin Roger Anthony Director Grant or award · Restricted Stock Units +17.33 8,880.06
2025-12-23 Carolin Roger Anthony Director Grant or award · Restricted Stock Units +20.01 9,874.9
2025-12-23 CHURCHILL WINSTON J Director Grant or award · Restricted Stock Units +20.01 9,874.9
2025-12-23 Liao Daniel JL Director Grant or award · Restricted Stock Units +20.01 9,874.9
2025-12-23 McCourt MaryFrances Director Grant or award · Restricted Stock Units +17.33 8,880.06
2025-12-23 McCourt MaryFrances Director Grant or award · Restricted Stock Units +20.01 9,874.9
2025-12-23 Morse Robert Randolph Director Grant or award · Restricted Stock Units +17.33 8,880.06
2025-12-23 Morse Robert Randolph Director Grant or award · Restricted Stock Units +20.01 9,874.9
2025-12-23 Tily Gil C. Director Grant or award · Restricted Stock Units +20.01 9,874.9
2025-12-23 WATSON DAVID N Director Grant or award · Restricted Stock Units +20.01 9,874.9
2025-12-23 KIM SUSAN Y Director Grant or award · Restricted Stock Units +20.01 9,874.9
2025-12-19 KIM SUSAN Y Director Gift +3,244,594 3,244,594

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