Natural Gas Services Group Inc. (NGS)
NYSE · Oil & Gas Field Services, Nec · Mining · CIK 1084991 · fiscal year ends in Dec
Closing price $32.41 on 30 Oct 2026; 52-week range $27.84 to $44.13.
Key figures
The last twelve months reported, with the latest price and balance sheet.
- Revenue, last twelve months
- $189.4M
- Revenue growth
- 15.4%
- Net income, last twelve months
- $20.5M
- Earnings per share
- $1.61
- Gross margin
- 59.7%
- Operating margin
- 21.6%
- Net margin
- 10.8%
- Free cash flow
- -$31.3M
- Return on equity
- 7.0%
- Market value
- $418.0M
- Price to earnings
- 20.1x
- Dividend yield
- 1.5%
- Cash
- $84.0K
- Debt
- $328.0M
- Debt to equity
- 1.11
- Shares outstanding
- 12.9M
Financial statements
Revenue, profit and cash flow by fiscal year, each year linked to its annual report.
| Fiscal year | Year end | Revenue | Operating income | Net income | EPS | Free cash flow | Filing |
|---|---|---|---|---|---|---|---|
| FY2025 | 31 Dec 2025 | $172.3M | $37.3M | $19.9M | $1.57 | -$58.6M | 10-K filed 16 Mar 2026 |
| FY2024 | 31 Dec 2024 | $156.7M | $33.3M | $17.2M | $1.37 | -$5.4M | 10-K filed 17 Mar 2025 |
| FY2023 | 31 Dec 2023 | $121.2M | $10.5M | $4.7M | $0.38 | -$135.9M | 10-K filed 1 Apr 2024 |
| FY2022 | 31 Dec 2022 | $84.8M | $431.0K | -$569.0K | -$0.05 | -$37.4M | 10-K filed 31 Mar 2023 |
| FY2021 | 31 Dec 2021 | $72.4M | -$12.4M | -$9.2M | -$0.70 | $2.8M | 10-K filed 18 Mar 2022 |
By quarter
| Quarter | Quarter end | Revenue | Net income | EPS |
|---|---|---|---|---|
| Q2 FY2026 | 30 Jun 2026 | $51.4M | $3.8M | $0.30 |
| Q1 FY2026 | 31 Mar 2026 | $48.5M | $6.8M | $0.53 |
| Q4 FY2025 | 31 Dec 2025 | $46.1M | $4.1M | $0.32 |
| Q3 FY2025 | 30 Sep 2025 | $43.4M | $5.8M | $0.46 |
| Q2 FY2025 | 30 Jun 2025 | $41.4M | $5.2M | $0.41 |
| Q1 FY2025 | 31 Mar 2025 | $41.4M | $4.9M | $0.38 |
| Q4 FY2024 | 31 Dec 2024 | $40.7M | $2.9M | $0.23 |
| Q3 FY2024 | 30 Sep 2024 | $40.7M | $5.0M | $0.40 |
Company events
The newest 8-K filings of 259 held.
| Filed | Form | Event | Items |
|---|---|---|---|
| 12 Aug 2026 | 8-K | Results, Investor update | 2.02, 7.01, 9.01 |
| 10 Aug 2026 | 8-K | Results, Other events | 2.02, 8.01, 9.01 |
| 24 Jul 2026 | 8-K | Material agreement, Shareholder rights change, Bylaws or fiscal year change, Other events | 1.01, 3.03, 5.03, 8.01, 9.01 |
| 10 Jul 2026 | 8-K | Auditor change | 4.01 |
| 8 Jul 2026 | 8-K | Investor update | 7.01 |
| 17 Jun 2026 | 8-K | Investor update | 7.01, 9.01 |
| 15 Jun 2026 | 8-K | Deal completed, Material agreement, New debt, Share sale, Investor update | 1.01, 2.01, 2.03, 3.02, 7.01, 9.01 |
| 11 Jun 2026 | 8-K | Material agreement, Shareholder vote | 1.01, 5.07, 9.01 |
| 13 May 2026 | 8-K | Results, Investor update | 2.02, 7.01 |
| 11 May 2026 | 8-K | Results, Other events | 2.02, 8.01, 9.01 |
| 18 Mar 2026 | 8-K | Results, Investor update | 2.02, 7.01, 9.01 |
| 16 Mar 2026 | 8-K | Results | 2.02, 9.01 |
Every filing
The newest filings with the SEC of 539 held.
| Filed | Form | Period |
|---|---|---|
| 12 Aug 2026 | 8-K | 11 Aug 2026 |
| 10 Aug 2026 | 8-K/A | 12 Jun 2026 |
| 10 Aug 2026 | 8-K | 10 Aug 2026 |
| 10 Aug 2026 | 10-Q | 30 Jun 2026 |
| 24 Jul 2026 | 8-K | 20 Jul 2026 |
| 10 Jul 2026 | 8-K | 9 Jul 2026 |
| 8 Jul 2026 | 8-K | 8 Jul 2026 |
| 17 Jun 2026 | 8-K | 15 Jun 2026 |
| 15 Jun 2026 | 8-K | 12 Jun 2026 |
| 11 Jun 2026 | 8-K | 10 Jun 2026 |
| 13 May 2026 | 8-K | 12 May 2026 |
| 11 May 2026 | 10-Q | 31 Mar 2026 |
Insider trades
Form 4 trades by officers, directors and 10% owners, last 12 months.
| Traded | Insider | Type | Shares | Price | Value | Held after | Form 4 |
|---|---|---|---|---|---|---|---|
| 6 Mar 2026 | Taylor Stephen Charles, Director | Sale under a trading plan | 30,000 | $37.23 | $1.1M | 175,432 | 9 Mar 2026 |
| 5 Mar 2026 | Taylor Stephen Charles, Director | Sale under a trading plan | 70,000 | $37.58 | $2.6M | 205,432 | 9 Mar 2026 |
| 11 Dec 2025 | Taylor Stephen Charles, Director | Sale outside a trading plan | 10,000 | $33.54 | $335.4K | 275,432 | 12 Dec 2025 |
| 10 Dec 2025 | Taylor Stephen Charles, Director | Sale outside a trading plan | 10,000 | $33.16 | $331.6K | 285,432 | 12 Dec 2025 |
| 8 Dec 2025 | Holley Jean K, Director | Purchase | 2,190 | $32.04 | $70.2K | 14,390 | 10 Dec 2025 |
| 8 Dec 2025 | Holley Jean K, Director | Purchase | 935 | $32.00 | $29.9K | 12,200 | 9 Dec 2025 |
| 4 Dec 2025 | Taylor Stephen Charles, Director | Sale outside a trading plan | 20,000 | $32.12 | $642.4K | 295,432 | 5 Dec 2025 |
| 20 Nov 2025 | Taylor Stephen Charles, Director | Sale outside a trading plan | 10,000 | $31.37 | $313.7K | 315,432 | 20 Nov 2025 |
| 19 Nov 2025 | Taylor Stephen Charles, Director | Sale outside a trading plan | 10,000 | $30.31 | $303.1K | 325,432 | 20 Nov 2025 |
| 17 Nov 2025 | Taylor Stephen Charles, Director | Sale under a trading plan | 10,000 | $31.01 | $310.1K | 335,432 | 18 Nov 2025 |
| 10 Nov 2025 | Taylor Stephen Charles, Director | Sale under a trading plan | 8,748 | $29.50 | $258.1K | 355,432 | 12 Nov 2025 |
| 10 Nov 2025 | Taylor Stephen Charles, Director | Sale under a trading plan | 10,000 | $30.00 | $300.0K | 345,432 | 12 Nov 2025 |
Planned insider sales
Form 144 notices, filed when the sell order goes to the broker.
| Filed | Seller | Shares | Value | Planned sale |
|---|---|---|---|---|
| 6 Mar 2026 | Taylor Stephen Charles, Director | 30,000 | $1.1M | 6 Mar 2026 |
| 5 Mar 2026 | Taylor Stephen Charles, Director | 70,000 | $2.6M | 5 Mar 2026 |
| 11 Dec 2025 | Taylor Stephen Charles, Director | 10,000 | $335.4K | 11 Dec 2025 |
| 10 Dec 2025 | Taylor Stephen Charles, Director | 10,000 | $331.6K | 10 Dec 2025 |
| 4 Dec 2025 | Taylor Stephen Charles, Director | 20,000 | $642.4K | 4 Dec 2025 |
| 20 Nov 2025 | Taylor Stephen Charles, Director | 10,000 | $313.8K | 20 Nov 2025 |
| 19 Nov 2025 | Taylor Stephen Charles, Director | 10,000 | $303.1K | 19 Nov 2025 |
| 17 Nov 2025 | Taylor Stephen Charles, Director | 10,000 | $310.1K | 17 Nov 2025 |
| 10 Nov 2025 | Taylor Stephen Charles, Director | 18,748 | $558.1K | 10 Nov 2025 |
| 7 Nov 2025 | Taylor Stephen Charles, Director | 11,152 | $324.1K | 7 Nov 2025 |
Large holders
Schedule 13D and 13G filings by holders of more than 5% of the voting shares.
| Filed | Holder | Schedule | Stake | Shares |
|---|---|---|---|---|
| 4 May 2026 | AWM Investment Company, Inc. | 13G amended | 1.7% | 214.8K |
| 28 Apr 2026 | Franklin Mutual Advisers, LLC | 13G amended | 0% | 0 |
| 27 Mar 2026 | The Vanguard Group | 13G amended | 0% | 0 |
| 30 Jan 2026 | The Vanguard Group | 13G | 5.09% | 640.5K |
| 26 Jan 2026 | Hoak Public Equities, LP | 13D amended | 4.57% | 575.0K |
| 7 Jan 2026 | Hoak Public Equities, LP | 13D amended | 6.67% | 838.1K |
Short interest
Shares sold short and not yet bought back, on each FINRA settlement date.
| Settlement | Shares short | Change | Days to cover |
|---|---|---|---|
| 15 Oct 2026 | 484.9K | +4.83% | 5.32 |
| 30 Sep 2026 | 462.6K | -2.2% | 3.99 |
| 15 Sep 2026 | 473.0K | +5.52% | 3.86 |
| 31 Aug 2026 | 448.2K | +5.18% | 3.55 |
| 14 Aug 2026 | 426.2K | +0.19% | 3.69 |
| 31 Jul 2026 | 425.4K | +0.52% | 3.18 |
| 15 Jul 2026 | 423.2K | -5.46% | 3.55 |
| 30 Jun 2026 | 447.6K | +44.71% | 2.32 |
Funds that hold it
From each fund's latest Form 13F.
173 funds held it at 30 Jun 2026: 92 added and 42 trimmed in the quarter. The largest:
| Fund | Shares | Value | Change in the quarter |
|---|---|---|---|
| BlackRock, Inc. | 961,577 | $41.5M | +171,797 |
| Dimensional Fund Advisors LP | 850,080 | $36.7M | +6,283 |
| First Eagle Investment Management, LLC | 695,370 | $30.0M | – |
| Aegis Financial Corp. | 584,872 | $25.2M | -2,140 |
| Vanguard Capital Management LLC | 513,031 | $22.1M | +2,036 |
| Weber Capital Management LLC | 479,712 | $20.7M | -2,052 |
| Two Sigma Investments, LP | 410,330 | $17.7M | +45,121 |
| American Century Companies Inc. | 408,165 | $17.6M | +69,143 |
| Ameriprise Financial Inc. | 380,171 | $16.4M | +42,600 |
| Royce & Associates LP | 363,319 | $15.7M | +10,003 |
Peers
Companies in the same industry.
- SLB Limited (SLB): revenue $36.9B, market value $79.3B
- Halliburton Co. (HAL): revenue $22.5B, market value $29.9B
- Oceaneering International Inc. (OII): revenue $2.9B, market value $4.1B
- WaterBridge Infrastructure LLC (WBI): revenue $750.9M, market value $3.8B
- Liberty Energy Inc. (LBRT): revenue $4.4B, market value $2.8B
- Select Water Solutions, Inc. (WTTR): revenue $1.4B, market value $2.7B
- National Energy Services Reunited Corp. (NESR): revenue –, market value $2.1B
- RPC Inc. (RES): revenue $1.8B, market value $1.4B
- Hornbeck Offshore Services, Inc. (HOS): revenue $1.3B, market value $1.0B
- ProPetro Holding Corp. (PUMP): revenue $1.2B, market value $951.0M