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NGS · Natural Gas Services Group Inc
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NGS Natural GAS Services (NGS) Insider Trading, Ownership & Congress Trades

Energy · Oil & gas field services, nec · CIK 0001084991
SEC filings
Insider buyers, 180 days
0
House members buying, 1 year
0
STOCK Act, US House only, disclosed up to 45 days after the trade
Funds added, last quarter
97
13F, latest reported quarter

Natural GAS Services insider trades (Form 4)

Form 4 buys and sells (codes P and S). Grants, option exercises and conversions excluded.

No insider purchases or sales are on record for NATURAL GAS SERVICES GROUP INC in the period covered. Source: SEC Form 4 filings, as of 2026-10-28.

Insider
Filed
Shares
Value
Since filing
SELL
2026-03-09 SECtraded 2026-03-06
30,000
$1.1M
-18.1%
Context
  • 41 earlier Form 4 trades (code P or S) here by this insider (41 sales), the last on Mar 5, 2026.
  • The trade is 17.1% of the 175,432 shares held after it.
  • No other insider sold within 30 days.
  • 97 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director Taylor Stephen Charles sold about $1.1M of NGS on Mar 6, 2026; 97 funds added in the latest 13F quarter.
SELL
2026-03-09 SECtraded 2026-03-05
70,000
$2.6M
-18.1%
Context
  • 40 earlier Form 4 trades (code P or S) here by this insider (40 sales), the last on Dec 11, 2025.
  • The trade is 34.1% of the 205,432 shares held after it.
  • No other insider sold within 30 days.
  • 97 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director Taylor Stephen Charles sold about $2.6M of NGS on Mar 5, 2026, the largest insider sale at the company on our record; 97 funds added in the latest 13F quarter.
SELL
2025-12-12 SECtraded 2025-12-11
10,000
$335.4K
-5.6%
Context
  • 39 earlier Form 4 trades (code P or S) here by this insider (39 sales), the last on Dec 10, 2025.
  • The trade is 3.6% of the 275,432 shares held after it.
  • No other insider sold within 30 days.
  • 97 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director Taylor Stephen Charles sold about $335.4K of NGS on Dec 11, 2025; 97 funds added in the latest 13F quarter.
SELL
2025-12-12 SECtraded 2025-12-10
10,000
$331.6K
-5.6%
Context
  • 38 earlier Form 4 trades (code P or S) here by this insider (38 sales), the last on Dec 4, 2025.
  • The trade is 3.5% of the 285,432 shares held after it.
  • No other insider sold within 30 days.
  • 97 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director Taylor Stephen Charles sold about $331.6K of NGS on Dec 10, 2025; 97 funds added in the latest 13F quarter.
BUY
2025-12-10 SECtraded 2025-12-08
2,190
$70.2K
-6.0%
Context
  • 2 earlier Form 4 trades (code P or S) here by this insider (2 buys), the last on Sep 4, 2025.
  • +19.7% median (+19.7% mean) 90-day return after 2 previous buys.
  • The trade is 15.2% of the 14,390 shares held after it.
  • No other insider bought within 30 days.
  • 97 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director HOLLEY JEAN K bought about $70.2K of NGS on Dec 8, 2025; 97 funds added in the latest 13F quarter.
61 transactions on record
Since filing: total return from the first close after the filing to the latest close, dividend-adjusted. Not a forecast.
Context lines are counts over the filings above and returns from our own price history, never a price level. Not investment advice.
Showing the latest few. to see 56 more transactions and use the screener and CSV export. We store only your email; there is no password.
Seven facts, ranked against the sector · Rank is not a forecast
Insiders
no insider buys or sells on file
Congress
no House purchase disclosed in the last 12 months
Funds
97 funds bought in last quarter
below 62% of Energy
Revenue
+9.9% year over year
more than 68% of Energy
Margin
11.6% net margin
more than 68% of Energy
Buybacks
no share repurchases reported
Short interest
3.7% of the float short (float per yahoo 2026-10-26) · 4.0 days to cover · settled 2026-09-30
below 57% of Energy
What changed in the last 30 days
Nothing new filed in the last 30 days

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The year, with the filings on it
Total return over 12 months. Each marker is a filing; hover or tap one for the detail.
+12.8%12M
-2%+18%+39%+59%2025-102025-122026-022026-042026-062026-082026-10 2026-03-05 · Taylor Stephen Charles sold $2.6M2026-03-06 · Taylor Stephen Charles sold $1.1M2025-12-04 · Taylor Stephen Charles sold $642.4K2025-12-11 · Taylor Stephen Charles sold $335.4K2025-12-10 · Taylor Stephen Charles sold $331.6K2025-11-20 · Taylor Stephen Charles sold $313.7K2025-11-17 · Taylor Stephen Charles sold $310.1K2025-11-19 · Taylor Stephen Charles sold $303.1K2025-11-10 · Taylor Stephen Charles sold $300.0K2025-11-07 · Taylor Stephen Charles sold $287.1K2025-11-10 · Taylor Stephen Charles sold $258.1K2025-12-08 · HOLLEY JEAN K bought $70.2K2025-11-07 · Taylor Stephen Charles sold $36.9K2025-12-08 · HOLLEY JEAN K bought $29.9K2025-11-06 · Taylor Stephen Charles sold $2.9K
Insider buyInsider sell
Indexed to 100, dividend-adjusted, not a price chart. When a name files heavily, the largest trades are drawn first.

Who owns NGS: institutional holders (13F)

13F holdings, latest reported quarter
961,577 sh
$41.5M
$25.2M

Congress trades in NGS

No Congress trades reported
No House member has disclosed a trade in this stock. See what Congress is buying.

Activist and 5% holders (13D/13G)

No 5%+ ownership filings
Nobody has filed for crossing 5%. That is a fact, not missing data.

NGS planned insider sales (Form 144)

No planned-sale notices
No insider has filed to sell. Watch this after a run-up.

NGS mutual fund holders (N-PORT)

Funds ranked by the share of their own portfolio in this stock (N-PORT).
Aegis Value Fund
$24.8M position · as of 2026-06-30
2.2%
Corgi Natural Gas Power & Turbines ETF
$256.8K position · as of 2026-06-30
2.1%
COMMONWEALTH GLOBAL FUND
$256.5K position · as of 2026-07-31
1.4%
Royce Smaller-Companies Growth Fund
$2.8M position · as of 2026-06-30
1.2%
Royce Micro-Cap Fund
$4.9M position · as of 2026-06-30
1.1%
Royce Capital Fund - Micro-Cap Portfolio
$1.5M position · as of 2026-06-30
1.1%
SEC N-PORT, monthly, about 60 days late · funds ≥ $10M · % is the share of the fund's own portfolio
Executive pay vs shareholder return · Justin C. Jacobs
CEO pay, headline and as actually paid, against the company's return and its chosen peers' (DEF 14A).
FY
CEO total
Actually paid
Other execs, avg
TSR
Peer TSR
2025
$3.0M
$3.9M
$953.3K
+257%
n/a
2024
$2.5M
$3.2M
$982.4K
+183%
n/a
2023
$3.6M
$3.4M
$656.2K
+70%
n/a
2022
$1.4M
$1.9M
$569.7K
+21%
n/a
2021
$1.7M
$2.3M
$478.7K
+10%
n/a
Tagged by the company under SEC Item 402(v). Returns are cumulative from the start of the disclosure period. Green where the company beat its own peer group.
Live price
Daily candles from TradingView, under their licence. No filings marked.
Why this name is on the desk
The complete filing record, in one place.
The record shows 97 funds added last quarter. Each figure is a federal filing, dated the day it went public.
Same sector, ranked by filing activity
Sector by SEC SIC code

NGS financials

Revenue growth
+9.9%
XBRL, annual
Net margin
11.6%
Ratios from the company's XBRL filings, latest filings
Revenue, TTM
$189.4M
four quarters, 2025-07-01 to 2026-06-30
Net margin, TTM
+10.8%
net income over revenue, 2025-07-01 to 2026-06-30
Free cash flow, TTM
-$31.3M
operating cash flow minus capex, 2025-07-01 to 2026-06-30
Debt to equity
0.55x
long-term debt only, 2024-06-30 (24 months older than the period end); equity 2026-06-30
Cash flow to debt
0.49x
TTM operating cash flow over long-term debt only, 2024-06-30 (24 months older than the period end)
Return on equity
+7.3%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on assets
+3.3%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on invested capital
+6.8%
operating income after a 26.5% effective tax rate, over long-term debt only, 2024-06-30 (24 months older than the period end) plus average of 2025-06-30 and 2026-06-30 minus cash
Return on capital employed
+6.9%
operating income (EBIT proxy) over average of 2025-06-30 and 2026-06-30 minus current liabilities
P/E, trailing
19.43x
close 2026-10-26 over four quarters of diluted EPS, 2025-07-01 to 2026-06-30
Enterprise value
$566.4M
market value at close 2026-10-26 on 2026-08-07 shares, plus long-term debt only, 2024-06-30 (24 months older than the period end), minus cash 2026-06-30
FCF yield
-7.8%
TTM free cash flow over market value at close 2026-10-26
PEG, trailing
1.37x
P/E over trailing EPS growth of 14%: four quarters to 2026-06-30 against the four to 2025-06-30
Price as of 2026-10-26. Hover or tap a tile for its yearly and quarterly history.
Method
TTM is four consecutive fiscal quarters; Q4 is the year minus nine months when not filed. Returns use the average of opening and closing balances. EBIT is approximated by operating income. PEG uses trailing EPS growth.
Fundamentals
Annual figures from XBRL filings. Pick a past date to see them as known then.
2025-122024-122023-122022-12
Revenue$172.3M$156.7M$121.2M$84.8M
Operating income$37.3M$33.3M$10.5M$431.0K
Net income$19.9M$17.2M$4.7M-$569.0K
EPS (diluted)1.571.370.38-0.05
Operating cash flow$62.9M$66.5M$18.0M$27.8M
Cash$0$2.1M$2.7M$3.4M
Long-term debtn/an/a$164.0M$25.0M
Buybacksn/a$0$0$6.7M
Dividends paid$2.6M$0$0n/a
SEC XBRL, fiscal years, as known on 2026-10-28

NGS Stock Sonar score 5/7 axes

Find similar shapesCompare

NGS ranks highest on risk and compliance (82nd percentile) and growth (68th), and lowest on institutional and government (38th), among Energy peers.

ProfitHealthGrowthInstitutionsRisk
Profitability
45
Inputs
  • Return on equity+7.3% · 53 pct, sector of 109
  • Return on assets+3.3% · 53 pct, sector of 129
  • Return on invested capital+6.8% · 21 pct, sector of 39
  • Return on capital employed+6.9% · 52 pct, sector of 110
Financial health
42
Inputs
  • Debt to equity0.55x · 35 pct, sector of 111
  • Cash flow to debt0.49x · 49 pct, sector of 115
Growth
68
Inputs
  • Revenue growth, YoY+9.9% · 68 pct, sector of 141
  • Backlog growth, YoYno backlog line filed, or no year-earlier backlog
Institutional and government
38
Inputs
  • Funds adding, latest quarter97 · 38 pct, sector of 145
  • Congress net buyers, 365dno Congress trades in 365 days
  • Federal contracts, 180dno federal contracts in 180 days
  • Lobbying spend, 4 quartersno lobbying filings in the last four quarters
Risk and compliance
82
Inputs
  • Short interest, % of float+3.7% · 59 pct, sector of 167
  • Recalls per $1B revenue, 3ynot measured for this sector, almost no peer has an event
  • EPA cases per $1B revenue, 5y0.00 per $1B · 100 pct, sector of 109
  • New text in Risk Factors, latest 10-K+5.2% · 86 pct, sector of 120
2 not measured: Insider conviction, US patents
  • Insider conviction needs 1 of 2 inputs, 0 present: no Form 4 purchase or sale (code P or S) in 180 days; no insider trades in 180 days
  • US patents needs 1 of 2 inputs, 0 present: patent data not loaded yet

5 of 7 axes scored. Each is a percentile against sector peers (all companies when the sector is thin); higher is better. An unscored axis is unmeasured, not low. How it is scored

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