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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
2026-03-31 Faust Megan CFO Option exercise +8,692 137,863
2026-03-31 Faust Megan CFO Shares withheld for taxes −3,725 $45.03 $168K 134,138
2026-03-31 Faust Megan CFO Option exercise · Restricted Stock Units −8,692 8,692
2026-03-31 Engel Kevin K. President and CEO Option exercise +8,692 11,645
2026-03-31 Engel Kevin K. President and CEO Shares withheld for taxes −3,725 $45.03 $168K 7,920
2026-03-31 Engel Kevin K. President and CEO Option exercise · Restricted Stock Units −8,692 8,692
2026-03-31 CHURCHILL WINSTON J Director Grant or award · Restricted Stock Units +18.16 9,893.06
2026-03-31 Carolin Roger Anthony Director Grant or award · Restricted Stock Units +15.72 8,895.79
2026-03-31 Carolin Roger Anthony Director Grant or award · Restricted Stock Units +18.16 9,893.06
2026-03-31 ALEXANDER DOUGLAS A Director Grant or award · Restricted Stock Units +16.15 9,238.43
2026-03-31 ALEXANDER DOUGLAS A Director Grant or award · Restricted Stock Units +15.72 8,895.79
2026-03-31 ALEXANDER DOUGLAS A Director Grant or award · Restricted Stock Units +18.16 9,893.06
2026-03-16 ROGERS MARK N EVP & General Counsel Option exercise 10b5-1 +5,000 $7.40 $37K 43,904
2026-03-16 ROGERS MARK N EVP & General Counsel Sale 10b5-1 −5,000 $44.54 $223K 38,904
2026-03-16 ROGERS MARK N EVP & General Counsel Option exercise · Employee Stock Option (Right-to-Buy) 10b5-1 −5,000 95,000
2026-03-12 Buntyn Cherie Chief Accounting Officer Grant or award · Restricted Stock Units +799 799
2026-02-25 WATSON DAVID N Director Option exercise +20,000 $5.66 $113K 122,980
2026-02-25 WATSON DAVID N Director Shares withheld for taxes −2,223 120,757
2026-02-25 WATSON DAVID N Director Option exercise · Director Stock Option (Right-to-Buy) −20,000 0
2026-02-25 Haghighi Farshad Executive Vice President Sale −15,624 $50.50 $789K 8,354

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