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Natural Gas Services Group, Inc. (NGS)

Natural Gas Services Group, Inc. at a glance — key fundamentals, SEC filings, insider buying and selling, and earnings dates.

Natural Gas Services Group, Inc. (NGS) is a Oil & Gas Equipment & Services company based in US with a market capitalization of $497.3M. Revenue grew 9.9% year-over-year and the company generated $61M in free cash flow. This page tracks NGS's SEC filings, insider buying and selling, earnings dates, and key fundamentals in one place.

US · 245 employees · IPO Oct 22, 2002

Valuation

Valuation & price

$42.40 · as of May 17, 2026 · -3.9% vs 52w high

27.0

P/E ratio

Latest-FY diluted EPS

1.81

P/B ratio

Market cap ÷ book equity

—

Dividend yield

Price — last 12 months

$43.99$33.93$23.87Jul 25Dec 25Jul 26Jul 7, 25$24.58Jul 9, 25$24.63Jul 11, 25$24.40Jul 15, 25$24.29Jul 17, 25$24.58Jul 21, 25$23.87Jul 23, 25$24.44Jul 25, 25$24.35Jul 29, 25$24.63Jul 31, 25$24.09Aug 4, 25$24.12Aug 6, 25$24.36Aug 11, 25$25.35Aug 13, 25$25.59Aug 15, 25$24.42Aug 19, 25$25.14Aug 21, 25$25.87Aug 25, 25$25.21Aug 27, 25$26.03Aug 29, 25$26.16Sep 3, 25$26.24Sep 5, 25$26.50Sep 9, 25$26.40Sep 11, 25$26.59Sep 16, 25$27.24Sep 18, 25$27.34Sep 22, 25$27.31Sep 24, 25$28.21Sep 26, 25$28.78Sep 30, 25$27.99Oct 2, 25$26.74Oct 6, 25$27.18Oct 8, 25$27.74Oct 10, 25$25.68Oct 14, 25$26.24Oct 16, 25$26.09Oct 21, 25$27.25Oct 23, 25$28.00Oct 27, 25$27.67Oct 29, 25$27.54Oct 31, 25$27.84Nov 4, 25$28.00Nov 6, 25$28.86Nov 10, 25$30.37Nov 12, 25$29.70Nov 14, 25$29.56Nov 18, 25$30.00Nov 20, 25$30.50Nov 25, 25$31.21Nov 28, 25$30.97Dec 2, 25$30.67Dec 4, 25$32.29Dec 8, 25$31.80Dec 10, 25$33.40Dec 12, 25$33.44Dec 16, 25$32.48Dec 18, 25$31.78Dec 22, 25$32.68Dec 24, 25$34.01Dec 29, 25$33.74Jan 2, 26$34.39Jan 6, 26$34.81Jan 8, 26$34.89Jan 12, 26$34.25Jan 14, 26$34.00Jan 16, 26$33.64Jan 21, 26$34.63Jan 23, 26$34.90Jan 27, 26$35.39Jan 29, 26$34.52Feb 2, 26$34.47Feb 4, 26$34.56Feb 9, 26$36.57Feb 11, 26$37.00Feb 13, 26$37.11Feb 18, 26$37.52Feb 20, 26$37.83Feb 24, 26$38.03Feb 26, 26$38.40Mar 2, 26$38.75Mar 4, 26$39.00Mar 6, 26$37.80Mar 10, 26$38.34Mar 12, 26$36.17Mar 17, 26$36.81Mar 19, 26$39.48Mar 23, 26$39.44Mar 25, 26$39.82Mar 27, 26$39.81Mar 31, 26$37.74Apr 2, 26$38.22Apr 7, 26$38.49Apr 9, 26$38.22Apr 13, 26$39.04Apr 15, 26$38.75Apr 17, 26$38.10Apr 22, 26$38.10Apr 24, 26$39.67Apr 28, 26$39.70Apr 30, 26$40.69May 4, 26$40.80May 6, 26$40.32May 8, 26$38.75May 12, 26$42.50May 14, 26$42.09May 18, 26$43.73May 20, 26$42.42May 22, 26$42.51May 28, 26$41.25Jun 1, 26$39.45Jun 3, 26$40.52Jun 5, 26$39.87Jun 9, 26$40.57Jun 11, 26$42.42Jun 15, 26$41.73Jun 17, 26$41.76Jun 22, 26$43.33Jun 24, 26$42.94Jun 26, 26$43.99Jul 2, 26$39.74
$23.2952-week range$44.13
Loading valuation history…

Fundamentals

Key fundamentals

$497.3M

Market cap

9.9%

Revenue growth (YoY)

37.1%

Gross margin

$61M

Free cash flow (USD)

$230.5M

Net debt

1.0%

Share dilution

0/5

Graham criteria passed

Defensive-investor screen

Energy

Sector

Trajectory

Long-term trends

Revenue by year

2016 → 2025

FY 2016$71.7MFY 2017$67.7MFY 2018$65.5MFY 2019$78.4MFY 2020$68.1MFY 2021$72.4MFY 2022$84.8MFY 2023$121.2MFY 2024$156.7MFY 2025$172.3M
$71.7M$172.3M

Free cash flow by year

2016 → 2025

FY 2016$28.5MFY 2017$4.0MFY 2018$-16.4MFY 2019$-40.5MFY 2020$17.4MFY 2021$2.6MFY 2022$-37.4MFY 2023$-135.9MFY 2024$-6.4MFY 2025$61.0M
$28.5M$61M

Gross margin by year

2021 → 2025

FY 20212.3%FY 202216.9%FY 202326.5%FY 202436.1%FY 202537.1%
2.3%37.1%

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 report: 10-Q filed May 11, 2026

Next expected: not yet scheduled

On the tape

Recent SEC & insider activity

  • 8-K eventAcquisition CompletedJun 17, 2026Filing
  • 8-K eventCredit Agreement AmendmentJun 15, 2026Filing
  • 8-K eventDirector ElectionJun 11, 2026Filing
  • 8-K eventEarnings ReleaseMay 13, 2026Filing
  • 8-K eventEarnings ReleaseMay 11, 2026Filing
  • Quarterly report10-Q FiledMay 11, 2026Filing

Questions

Frequently asked questions

What is Natural Gas Services Group, Inc.'s market cap?

Natural Gas Services Group, Inc. (NGS) has a market capitalization of $497.3M.

What is NGS's P/E ratio?

NGS trades at a price-to-earnings ratio of 27.0, based on its latest fiscal-year diluted earnings per share and the most recent cached price.

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

NGS trades at 1.81 times book value per share.

Are insiders buying NGS stock?

SEC Form 4 filings show no open-market insider buys at Natural Gas Services Group, 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.