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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.

Pace of trading Bought Sold

Who's trading

90 days

  1. ROGERS MARK N −$299K EVP & General Counsel sold 11% of stake
  2. ALEXANDER DOUGLAS A −$275K Director sold 15% of stake
  3. Faust Megan −$131K CFO sold 2% of stake
  4. Engel Kevin K. −$35K President and CEO sold 10% of stake

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

Date Insider Transaction Shares Price Value Owned after
2026-06-23 Rutten Guillaume Marie Jean Director Grant or award · Restricted Stock Units +2.52 2,615.52
2026-06-23 Morse Robert Randolph Director Grant or award · Restricted Stock Units +8.17 8,903.95
2026-06-23 Morse Robert Randolph Director Grant or award · Restricted Stock Units +9.43 9,902.49
2026-06-23 Morse Robert Randolph Director Grant or award · Restricted Stock Units +2.52 2,615.52
2026-06-23 McCourt MaryFrances Director Grant or award · Restricted Stock Units +8.17 8,903.95
2026-06-23 McCourt MaryFrances Director Grant or award · Restricted Stock Units +2.52 2,615.52
2026-06-23 Liao Daniel JL Director Grant or award · Restricted Stock Units +9.43 9,902.49
2026-06-23 Liao Daniel JL Director Grant or award · Restricted Stock Units +2.52 2,615.52
2026-06-23 CHURCHILL WINSTON J Director Grant or award · Restricted Stock Units +2.52 2,615.52
2026-06-23 Carolin Roger Anthony Director Grant or award · Restricted Stock Units +8.17 8,903.95
2026-06-23 Carolin Roger Anthony Director Grant or award · Restricted Stock Units +9.43 9,902.49
2026-06-23 Carolin Roger Anthony Director Grant or award · Restricted Stock Units +2.52 2,615.52
2026-06-23 ALEXANDER DOUGLAS A Director Grant or award · Restricted Stock Units +8.38 9,246.82
2026-06-23 ALEXANDER DOUGLAS A Director Grant or award · Restricted Stock Units +8.17 8,903.95
2026-06-23 ALEXANDER DOUGLAS A Director Grant or award · Restricted Stock Units +9.43 9,902.49
2026-06-23 ALEXANDER DOUGLAS A Director Grant or award · Restricted Stock Units +2.52 2,615.52
2026-06-16 ROGERS MARK N EVP & General Counsel Option exercise 10b5-1 +5,000 $7.40 $37K 43,904
2026-06-16 ROGERS MARK N EVP & General Counsel Sale 10b5-1 −5,000 $86.21 $431K 38,904
2026-06-16 ROGERS MARK N EVP & General Counsel Option exercise · Employee Stock Option (Right-to-Buy) 10b5-1 −5,000 80,000
2026-06-12 CHURCHILL WINSTON J Director Option exercise +5,000 $19.39 $97K 33,781

Page 4 of 24 · 461 trades