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National Presto Industries, Inc. (NPK)

National Presto Industries, Inc. at a glance — key fundamentals, SEC filings, insider buying and selling, and earnings dates.

National Presto Industries, Inc. (NPK) is a Aerospace & Defense company based in US with a market capitalization of $910.4M. Revenue grew 29.7% year-over-year and free cash flow was negative at -$36.2M. This page tracks NPK's SEC filings, insider buying and selling, earnings dates, and key fundamentals in one place.

US · 1.13K employees · IPO Mar 17, 1980

Valuation

Valuation & price

$137.98 · as of May 17, 2026 · -5.8% vs 52w high

29.8

P/E ratio

Latest-FY diluted EPS

2.30

P/B ratio

Market cap ÷ book equity

—

Dividend yield

Price — last 12 months

$147$119$92.33Jul 25Dec 25Jul 26Jul 7, 25$105.85Jul 9, 25$105.73Jul 11, 25$103.03Jul 15, 25$104.90Jul 17, 25$110.24Jul 21, 25$105.25Jul 23, 25$105.87Jul 25, 25$105.02Jul 29, 25$96.74Jul 31, 25$96.45Aug 4, 25$97.03Aug 6, 25$100.00Aug 11, 25$99.64Aug 13, 25$105.09Aug 15, 25$101.68Aug 19, 25$104.27Aug 21, 25$105.09Aug 25, 25$107.34Aug 27, 25$107.21Aug 29, 25$104.82Sep 3, 25$106.11Sep 5, 25$109.39Sep 9, 25$108.82Sep 11, 25$113.26Sep 16, 25$116.43Sep 18, 25$115.44Sep 22, 25$113.92Sep 24, 25$111.61Sep 26, 25$112.63Sep 30, 25$112.15Oct 2, 25$115.36Oct 6, 25$119.44Oct 8, 25$115.07Oct 10, 25$111.43Oct 14, 25$110.75Oct 16, 25$109.75Oct 21, 25$111.28Oct 23, 25$113.02Oct 27, 25$108.88Oct 29, 25$106.97Oct 31, 25$106.97Nov 4, 25$108.93Nov 6, 25$107.04Nov 10, 25$99.16Nov 12, 25$95.88Nov 14, 25$94.84Nov 18, 25$93.41Nov 20, 25$93.40Nov 25, 25$94.46Nov 28, 25$93.85Dec 2, 25$92.33Dec 4, 25$95.26Dec 8, 25$98.97Dec 10, 25$103.08Dec 12, 25$103.09Dec 16, 25$104.88Dec 18, 25$105.43Dec 22, 25$108.05Dec 24, 25$109.76Dec 29, 25$107.94Jan 2, 26$107.00Jan 6, 26$110.74Jan 8, 26$117.17Jan 12, 26$118.26Jan 14, 26$119.19Jan 16, 26$119.62Jan 21, 26$121.61Jan 23, 26$120.41Jan 27, 26$124.74Jan 29, 26$125.35Feb 2, 26$131.95Feb 4, 26$134.94Feb 9, 26$129.18Feb 11, 26$121.31Feb 13, 26$124.47Feb 18, 26$126.06Feb 20, 26$127.00Feb 24, 26$128.87Feb 26, 26$133.53Mar 2, 26$134.50Mar 4, 26$141.75Mar 6, 26$137.46Mar 10, 26$143.97Mar 12, 26$132.56Mar 17, 26$134.76Mar 19, 26$133.70Mar 23, 26$133.76Mar 25, 26$136.73Mar 27, 26$137.95Mar 31, 26$137.06Apr 2, 26$141.65Apr 7, 26$137.52Apr 9, 26$142.97Apr 13, 26$143.95Apr 15, 26$142.68Apr 17, 26$143.72Apr 22, 26$138.13Apr 24, 26$143.16Apr 28, 26$146.54Apr 30, 26$139.84May 4, 26$132.56May 6, 26$139.15May 8, 26$142.48May 12, 26$135.83May 14, 26$139.27May 18, 26$143.84May 20, 26$143.40May 22, 26$131.62May 28, 26$132.00Jun 1, 26$127.84Jun 3, 26$128.34Jun 5, 26$132.61Jun 9, 26$131.02Jun 11, 26$129.99Jun 15, 26$128.11Jun 17, 26$129.47Jun 22, 26$128.09Jun 24, 26$125.99Jun 26, 26$125.00Jul 2, 26$123.21
$91.5952-week range$146.54
Loading valuation history…

Fundamentals

Key fundamentals

$910.4M

Market cap

29.7%

Revenue growth (YoY)

15.9%

Gross margin

-$36.2M

Free cash flow (USD)

$29.3M

Net debt

0.3%

Share dilution

3/5

Graham criteria passed

Defensive-investor screen

Industrials

Sector

Trajectory

Long-term trends

Revenue by year

2016 → 2025

FY 2016$341.9MFY 2017$333.6MFY 2018$323.3MFY 2019$308.5MFY 2020$352.6MFY 2021$355.8MFY 2022$321.6MFY 2023$340.9MFY 2024$388.2MFY 2025$503.5M
$341.9M$503.5M

Free cash flow by year

2016 → 2025

FY 2016$59.2MFY 2017$15.9MFY 2018$67.6MFY 2019$6.4MFY 2020$38.4MFY 2021$31.8MFY 2022$7.7MFY 2023$43.5MFY 2024$-61.0MFY 2025$-36.2M
$59.2M-$36.2M

Gross margin by year

2021 → 2025

FY 202118.1%FY 202217.1%FY 202319.8%FY 202420.2%FY 202515.9%
18.1%15.9%

Value screen

Graham defensive-investor tests

Computing the scorecard — refreshing any stale inputs…

0

Insider buys · 90 days

0

Insider sells · 90 days

Earnings

Last reported: May 15, 2026 (EPS $0.93)

Next expected: not yet scheduled

On the tape

Recent SEC & insider activity

  • 8-K eventGroundbreaking CeremonyJun 16, 2026Filing
  • 8-K eventBy-Laws AmendedMay 21, 2026Filing
  • Quarterly report10-Q FiledMay 15, 2026Filing
  • 8-K eventEarnings ReleaseMay 5, 2026Filing

Questions

Frequently asked questions

What is National Presto Industries, Inc.'s market cap?

National Presto Industries, Inc. (NPK) has a market capitalization of $910.4M.

What is NPK's P/E ratio?

NPK trades at a price-to-earnings ratio of 29.8, based on its latest fiscal-year diluted earnings per share and the most recent cached price.

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

NPK trades at 2.30 times book value per share.

When did National Presto Industries, Inc. last report earnings?

NPK last reported earnings on May 15, 2026; the next date is not yet scheduled.

Are insiders buying NPK stock?

SEC Form 4 filings show no open-market insider buys at National Presto Industries, Inc. in the last 90 days (0 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.