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Company profile

Amkor Technology, Inc. Insider Trading

AMKR

Every SEC Form 4 insider trading filing for Amkor Technology, Inc. (AMKR) since April 2023 — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?

Exchange
Nasdaq
Sector
Semiconductors & Related Devices
CIK
0001047127
Filings
431
Insiders
45
Last filing
2026-09-08
SEC EDGAR ↗Yahoo Finance ↗Finviz ↗Stock Analysis ↗

Activity summary

No discretionary insider buying or selling in the last 30 days. The 1 transaction filed was made under a 10b5-1 plan, scheduled in advance rather than decided on the day.

Three year balance

Buy and sell value by quarter, Q4 23 to Q3 26. Amkor Technology, Inc. insiders are net sellers across the period shown.

PurchasesSales
Q4 23Q1 24Q2 24Q3 24Q4 24Q1 25Q2 25Q3 25Q4 25$977.3MQ1 26Q2 26Q3 26

Bars below the rule are sales, above are purchases. Largest quarter on the chart is $977.3M.

90 day insight

Over the last 90 days, Amkor Technology, Inc. insiders bought $8.8M (18 transactions) and sold $3.5M (5 transactions).

  • Most active insider: Mark N Rogers with 6 transactions totaling $699K.
  • Largest single purchase: $2.4M by Agnes C Kim on Jul 20, 2026.
  • 55% of recent sales were pre-scheduled 10b5-1 trades — typically less informative than open-market activity.

Activity skews bullish — buys outpace sales.

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValueReturn
Sep 8, 2026Megan FaustAMKR
Sale10b5
1,000$49.05$49K-3.2% 1w
Aug 17, 2026Mark N RogersAMKR
Option Exercise
5,000$7.40$37K-0.9% 1m
Aug 17, 2026Mark N RogersAMKR
Sale10b5
5,000$59.78$299K-0.9% 1m
Aug 17, 2026Mark N RogersAMKR
Option Exercise
5,000——-0.9% 1m
Aug 11, 2026Megan FaustAMKR
Sale10b5
1,000$54.45$54K-16.5% 1m

45 more transactions hidden

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Top insiders

By total value filed.

Agnes C Kim2 filings+$4.3M
James J Kim10% owner2 filings+$4.3M
Guillaume Marie Jean RuttenPresident and CEO2 filings−$2.7M
Mark N RogersEVP & General Counsel5 filings−$514K
Megan FaustCFO4 filings−$495K

Institutional Ownership

Top 13F-HR holders of Amkor Technology, Inc. as of 2026-06-30

↓ decreasing
Total reported AUM
$2.48B
QoQ change
-47.4%
Reporting period
2026-06-30
#1
BlackRock, Inc.
CIK 0002012383
$618.0M
7.2M shares
#2
State Street Corp
CIK 0000093751
$321.7M
3.7M shares
#3
BlackRock, Inc.
CIK 0002012383
$311.9M
3.6M shares

Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →

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Form4API, StockholmNot affiliated with the SEC or EDGAR. Data sourced from public EDGAR filings. Not investment advice.

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