How many insider trades does FilingIQ track for NGS?

FilingIQ tracks 236 Form 4 insider transactions for NGS (NATURAL GAS SERVICES GROUP INC), covering filings from Jan 20, 2015 onwards. 1 of those are dated within the last 90 days.

Are NGS insiders net buyers or net sellers?

Across the full Form 4 history for NGS, 5 transactions (2%) were open-market purchases and 79 (33%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.

Where does NGS insider data come from?

Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ normalises insider identity across reporting variations and scores discretionary open-market purchases and sales on its multi-factor composite model.

What sector is NGS in?

NATURAL GAS SERVICES GROUP INC (NGS) is classified in the Energy sector, specifically Oil & Gas Equipment & Services, with a current market capitalisation of $469.01M.

NGS insider trading

Energy

NATURAL GAS SERVICES GROUP INC: insider trade history from SEC Form 4 filings.

Total Form 4 trades

236

Last 90 days

Buys / sells

2% / 33%

Market cap

$469.01M

About NATURAL GAS SERVICES GROUP INC

Natural Gas Services Group, Inc. provides natural gas compression equipment, technology, and services to the energy industry in the United States. The company rents, operates, and maintains natural gas compressors for oil and gas production and processing facilities. It also designs and assembles compressor units for rental; and designs, assembles, and sells compressor components, proprietary compressor frames, and cylinders and parts. In addition, the company provides aftermarket services for its compressors; and exchange and rebuild program for small horsepower screw compressors. Natural Gas Services Group, Inc. was incorporated in 1998 and is headquartered in Midland, Texas.

Company website: www.ngsgi.com

NGS insider activity at a glance

FilingIQ tracks 236 insider transactions for NGS in filings since Jan 20, 2015. The most recent transaction is dated Sep 2, 2026.

Across the full history, 5 open-market purchases and 79 open-market sales were filed under transaction codes P and S respectively. Compensatory share awards (code A) and option exercises (code M) are tracked separately and not counted here.

The average FilingIQ composite score on NGS insider trades is 59.6/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.

View live NGS trades on FilingIQ Raw filings on SEC EDGAR

Latest NGS Form 4 filings

Taylor Stephen Charles

Most recent disclosures. Sign up to filter by score, transaction code, or insider role.

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Frequently asked

How many insider trades does FilingIQ track for NGS?: FilingIQ tracks 236 Form 4 insider transactions for NGS (NATURAL GAS SERVICES GROUP INC), covering filings from Jan 20, 2015 onwards. 1 of those are dated within the last 90 days.
Are NGS insiders net buyers or net sellers?: Across the full Form 4 history for NGS, 5 transactions (2%) were open-market purchases and 79 (33%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
Where does NGS insider data come from?: Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ normalises insider identity across reporting variations and scores discretionary open-market purchases and sales on its multi-factor composite model.
What sector is NGS in?: NATURAL GAS SERVICES GROUP INC (NGS) is classified in the Energy sector, specifically Oil & Gas Equipment & Services, with a current market capitalisation of $469.01M.

Methodology & sources

Every NGS insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.