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Amkor Technology, Inc. (AMKR)

Amkor Technology, Inc. at a glance — key fundamentals, SEC filings, insider buying and selling, and earnings dates.

Amkor Technology, Inc. (AMKR) is a Semiconductors company based in US with a market capitalization of $17.1B. Revenue grew 6.2% year-over-year and the company generated $191M in free cash flow. This page tracks AMKR's SEC filings, insider buying and selling, earnings dates, and key fundamentals in one place.

US · 28.3K employees · IPO May 1, 1998

Valuation

Valuation & price

$70.35 · as of May 17, 2026 · -24.8% vs 52w high

46.7

P/E ratio

Latest-FY diluted EPS

3.84

P/B ratio

Market cap ÷ book equity

—

Dividend yield

Price — last 12 months

$93.55$57.35$21.16Jul 25Dec 25Jul 26Jul 7, 25$21.44Jul 9, 25$22.06Jul 11, 25$21.86Jul 15, 25$21.56Jul 17, 25$21.64Jul 21, 25$21.95Jul 23, 25$21.52Jul 25, 25$21.16Jul 29, 25$25.08Jul 31, 25$22.56Aug 4, 25$22.35Aug 6, 25$22.21Aug 11, 25$23.15Aug 13, 25$24.96Aug 15, 25$23.76Aug 19, 25$23.74Aug 21, 25$23.21Aug 25, 25$24.15Aug 27, 25$24.58Aug 29, 25$24.19Sep 3, 25$23.80Sep 5, 25$24.64Sep 9, 25$24.87Sep 11, 25$25.38Sep 16, 25$27.04Sep 18, 25$29.16Sep 22, 25$29.53Sep 24, 25$29.36Sep 26, 25$29.03Sep 30, 25$28.40Oct 2, 25$29.64Oct 6, 25$30.57Oct 8, 25$30.61Oct 10, 25$28.26Oct 14, 25$29.91Oct 16, 25$31.50Oct 21, 25$32.15Oct 23, 25$31.98Oct 27, 25$33.18Oct 29, 25$32.69Oct 31, 25$32.28Nov 4, 25$35.25Nov 6, 25$35.15Nov 10, 25$35.21Nov 12, 25$34.47Nov 14, 25$31.68Nov 18, 25$30.69Nov 20, 25$30.19Nov 25, 25$33.80Nov 28, 25$36.39Dec 2, 25$40.65Dec 4, 25$43.18Dec 8, 25$44.71Dec 10, 25$46.85Dec 12, 25$44.31Dec 16, 25$40.28Dec 18, 25$39.30Dec 22, 25$40.79Dec 24, 25$40.76Dec 29, 25$40.09Jan 2, 26$42.92Jan 6, 26$51.29Jan 8, 26$51.00Jan 12, 26$51.58Jan 14, 26$48.67Jan 16, 26$48.00Jan 21, 26$53.46Jan 23, 26$49.71Jan 27, 26$50.74Jan 29, 26$50.00Feb 2, 26$48.20Feb 4, 26$43.87Feb 9, 26$52.52Feb 11, 26$56.17Feb 13, 26$47.48Feb 18, 26$46.74Feb 20, 26$47.94Feb 24, 26$48.53Feb 26, 26$48.52Mar 2, 26$47.81Mar 4, 26$45.77Mar 6, 26$41.61Mar 10, 26$43.94Mar 12, 26$41.27Mar 17, 26$46.34Mar 19, 26$48.13Mar 23, 26$46.12Mar 25, 26$49.93Mar 27, 26$44.45Mar 31, 26$45.03Apr 2, 26$46.70Apr 7, 26$47.62Apr 9, 26$55.14Apr 13, 26$60.44Apr 15, 26$59.72Apr 17, 26$67.37Apr 22, 26$72.25Apr 24, 26$78.10Apr 28, 26$71.36Apr 30, 26$69.75May 4, 26$70.96May 6, 26$77.22May 8, 26$76.61May 12, 26$73.45May 14, 26$72.09May 18, 26$66.04May 20, 26$68.49May 22, 26$65.75May 28, 26$70.58Jun 1, 26$72.75Jun 3, 26$75.20Jun 5, 26$64.95Jun 9, 26$70.91Jun 11, 26$76.15Jun 15, 26$85.44Jun 17, 26$86.43Jun 22, 26$93.55Jun 24, 26$82.76Jun 26, 26$78.72Jul 2, 26$69.65
$21.1452-week range$93.55
Loading valuation history…

Fundamentals

Key fundamentals

$17.1B

Market cap

6.2%

Revenue growth (YoY)

14.0%

Gross margin

$191M

Free cash flow (USD)

-$425.9M

Net debt

Net cash position

0.3%

Share dilution

3/5

Graham criteria passed

Defensive-investor screen

Technology

Sector

Trajectory

Long-term trends

Revenue by year

2016 → 2025

FY 2016$3.9BFY 2017$4.2BFY 2018$4.3BFY 2019$4.1BFY 2020$5.1BFY 2021$6.1BFY 2022$7.1BFY 2023$6.5BFY 2024$6.3BFY 2025$6.7B
$3.9B$6.7B

Free cash flow by year

2016 → 2025

FY 2016$79.4MFY 2017$67.3MFY 2018$116.3MFY 2019$91.4MFY 2020$217.0MFY 2021$341.5MFY 2022$190.5MFY 2023$520.6MFY 2024$345.1MFY 2025$191.0M
$79.4M$191M

Gross margin by year

2021 → 2025

FY 202120.0%FY 202218.8%FY 202314.5%FY 202414.8%FY 202514.0%
20.0%14.0%

Value screen

Graham defensive-investor tests

Computing the scorecard — refreshing any stale inputs…

0

Insider buys · 90 days

11

Insider sells · 90 days

Earnings

Last report: 10-Q filed Apr 28, 2026

Next expected: not yet scheduled

On the tape

Recent SEC & insider activity

  • Insider sellInsider Sell $431K · 10b5-1 PlanROGERS MARK N · EVP & General Counsel · $431KJun 18, 2026Filing
  • Insider sellInsider Sell $391KCHURCHILL WINSTON J · Director · $391KJun 16, 2026Filing
  • Insider sellInsider Sell $70K · 10b5-1 PlanFaust Megan · CFO · $70.3KJun 11, 2026Filing
  • 8-K eventInvestor Day PresentationMay 21, 2026Filing
  • Insider sellInsider Sell $65K · 10b5-1 PlanFaust Megan · CFO · $64.6KMay 20, 2026Filing
  • Insider sellInsider Sell $358K · 10b5-1 PlanROGERS MARK N · EVP & General Counsel · $358.2KMay 20, 2026Filing
  • 8-K eventAnnual Meeting ResultsMay 19, 2026Filing
  • Insider sellInsider Sell $1.2MTily Gil C. · Director · $1.2MMay 13, 2026Filing
  • Insider sellInsider Sell $3.7MRutten Guillaume Marie Jean · Director · $3.7MMay 12, 2026Filing
  • Insider sellInsider Sell $383KALEXANDER DOUGLAS A · Director · $382.9KMay 7, 2026Filing

Questions

Frequently asked questions

What is Amkor Technology, Inc.'s market cap?

Amkor Technology, Inc. (AMKR) has a market capitalization of $17.1B.

What is AMKR's P/E ratio?

AMKR trades at a price-to-earnings ratio of 46.7, based on its latest fiscal-year diluted earnings per share and the most recent cached price.

What is AMKR's price-to-book (P/B) ratio?

AMKR trades at 3.84 times book value per share.

Are insiders buying AMKR stock?

SEC Form 4 filings show no open-market insider buys at Amkor Technology, Inc. in the last 90 days (11 sells).

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Timeline

Every filing, insider trade & earnings on a price-anchored timeline

Filing Analyzer

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News

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Data: SEC EDGAR filings and cached fundamental data; prices and ratios use the most recent cached quote and statements (may lag by up to a day). Educational and research purposes only. Not investment advice.