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ADTRAN Holdings, Inc. (ADTN)

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

ADTRAN Holdings, Inc. (ADTN) is a Communication Equipment company based in US with a market capitalization of $1.3B. Revenue grew 17.5% year-over-year and the company generated $98M in free cash flow. This page tracks ADTN's SEC filings, insider buying and selling, earnings dates, and key fundamentals in one place.

US · 3.09K employees · IPO Aug 10, 1994

Valuation

Valuation & price

$15.28 · as of May 15, 2026 · -21.2% vs 52w high

—

P/E ratio

Latest-FY diluted EPS

9.24

P/B ratio

Market cap ÷ book equity

—

Dividend yield

Price — last 12 months

$18.34$12.79$7.25Jul 25Dec 25Jul 26Jul 7, 25$9.66Jul 9, 25$9.44Jul 11, 25$9.20Jul 15, 25$8.85Jul 17, 25$9.56Jul 21, 25$9.45Jul 23, 25$9.45Jul 25, 25$9.23Jul 29, 25$9.51Jul 31, 25$9.29Aug 4, 25$9.47Aug 6, 25$8.66Aug 11, 25$8.56Aug 13, 25$9.32Aug 15, 25$8.84Aug 19, 25$8.59Aug 21, 25$8.70Aug 25, 25$9.12Aug 27, 25$9.34Aug 29, 25$9.38Sep 3, 25$9.28Sep 5, 25$9.75Sep 9, 25$10.37Sep 11, 25$10.61Sep 16, 25$8.86Sep 18, 25$9.58Sep 22, 25$9.65Sep 24, 25$9.43Sep 26, 25$9.28Sep 30, 25$9.38Oct 2, 25$9.29Oct 6, 25$9.19Oct 8, 25$9.09Oct 10, 25$8.61Oct 14, 25$8.79Oct 16, 25$9.41Oct 21, 25$9.33Oct 23, 25$9.76Oct 27, 25$9.97Oct 29, 25$10.15Oct 31, 25$10.42Nov 4, 25$7.91Nov 6, 25$8.03Nov 10, 25$8.02Nov 12, 25$8.04Nov 14, 25$7.47Nov 18, 25$7.25Nov 20, 25$7.40Nov 25, 25$7.70Nov 28, 25$7.93Dec 2, 25$8.13Dec 4, 25$8.54Dec 8, 25$8.54Dec 10, 25$8.86Dec 12, 25$8.31Dec 16, 25$8.59Dec 18, 25$8.58Dec 22, 25$9.03Dec 24, 25$8.81Dec 29, 25$8.68Jan 2, 26$8.68Jan 6, 26$9.14Jan 8, 26$8.83Jan 12, 26$9.36Jan 14, 26$8.76Jan 16, 26$9.25Jan 21, 26$9.29Jan 23, 26$9.55Jan 27, 26$9.58Jan 29, 26$9.37Feb 2, 26$9.37Feb 4, 26$9.47Feb 9, 26$10.40Feb 11, 26$10.38Feb 13, 26$10.13Feb 18, 26$9.96Feb 20, 26$10.07Feb 24, 26$10.58Feb 26, 26$9.91Mar 2, 26$9.96Mar 4, 26$10.25Mar 6, 26$9.59Mar 10, 26$10.15Mar 12, 26$10.01Mar 17, 26$10.79Mar 19, 26$11.90Mar 23, 26$12.07Mar 25, 26$12.64Mar 27, 26$12.93Mar 31, 26$12.58Apr 2, 26$12.88Apr 7, 26$13.21Apr 9, 26$14.82Apr 13, 26$14.97Apr 15, 26$15.73Apr 17, 26$16.96Apr 22, 26$16.95Apr 24, 26$16.93Apr 28, 26$16.16Apr 30, 26$17.69May 4, 26$18.34May 6, 26$15.71May 8, 26$14.94May 12, 26$15.04May 14, 26$15.28May 18, 26$14.96May 20, 26$14.47May 22, 26$15.67May 28, 26$16.92Jun 1, 26$17.87Jun 3, 26$17.56Jun 5, 26$15.35Jun 9, 26$14.26Jun 11, 26$15.20Jun 15, 26$15.13Jun 17, 26$15.09Jun 22, 26$15.58Jun 24, 26$13.96Jun 26, 26$13.52Jul 2, 26$12.71
$7.2552-week range$19.40
Loading valuation history…

Fundamentals

Key fundamentals

$1.3B

Market cap

17.5%

Revenue growth (YoY)

38.3%

Gross margin

$98M

Free cash flow (USD)

$114.2M

Net debt

1.0%

Share dilution

1/5

Graham criteria passed

Defensive-investor screen

Technology

Sector

Trajectory

Long-term trends

Revenue by year

2016 → 2025

FY 2016$636.8MFY 2017$666.6MFY 2018$529.3MFY 2019$530.1MFY 2020$506.5MFY 2021$563.0MFY 2022$1.0BFY 2023$1.1BFY 2024$922.7MFY 2025$1.1B
$636.8M$1.1B

Free cash flow by year

2016 → 2025

FY 2016$20.6MFY 2017$-57.1MFY 2018$48.5MFY 2019$-9.5MFY 2020$-22.9MFY 2021$-2.7MFY 2022$-61.3MFY 2023$-79.4MFY 2024$38.4MFY 2025$98.0M
$20.6M$98M

Gross margin by year

2021 → 2025

FY 202138.8%FY 202231.9%FY 202328.8%FY 202435.1%FY 202538.3%
38.8%38.3%

Value screen

Graham defensive-investor tests

Computing the scorecard — refreshing any stale inputs…

0

Insider buys · 90 days

2

Insider sells · 90 days

Earnings

Last report: 10-Q filed May 5, 2026

Next expected: not yet scheduled

On the tape

Recent SEC & insider activity

  • 8-K eventDirector AppointmentJun 26, 2026Filing
  • Insider sellInsider Sell $137KWilson James Denson Jr · Chief Revenue Officer · $137.4KMay 22, 2026Filing
  • 8-K eventCharter Amendment ApprovedMay 18, 2026Filing
  • Insider sellInsider Sell $2.2M · 10b5-1 PlanGlingener Christoph · Chief Technology Officer · $2.2MMay 11, 2026Filing
  • 8-K eventEarnings ReleaseMay 5, 2026Filing
  • Quarterly report10-Q FiledMay 5, 2026Filing
  • 8-K eventPerformance Shares AgreementApr 7, 2026Filing

Questions

Frequently asked questions

What is ADTRAN Holdings, Inc.'s market cap?

ADTRAN Holdings, Inc. (ADTN) has a market capitalization of $1.3B.

What is ADTN's P/E ratio?

A meaningful P/E ratio is not available for ADTN — the company's latest fiscal-year earnings per share is zero, negative, or not yet cached.

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

ADTN trades at 9.24 times book value per share.

Are insiders buying ADTN stock?

SEC Form 4 filings show no open-market insider buys at ADTRAN Holdings, Inc. in the last 90 days (2 sells).

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Timeline

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

Filing Analyzer

Search the actual 10-K / 10-Q text with AI research angles

News

Latest press coverage in one feed

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.