NATURAL GAS SERVICES GROUP INC (NGS) is a publicly traded company in the Unknown sector. Across all available filings, 23 corporate insiders have executed 651 transactions totaling $26.1M, demonstrating a bearish sentiment with -$25.4M in net insider flow. The most recent transaction on Dec 30, 2025 involved a transaction of 2,532 shares valued at $0.
No significant insider buying has been recorded for NGS in the recent period.
No significant insider selling has been recorded for NGS in the recent period.
Based on recent SEC filings, insider sentiment for NGS is bearish with an Insider Alignment Score of 1/100 and a net flow of -$25.4M. Insiders are reducing their positions, though this can be driven by factors unrelated to company outlook.
Insider trading at NATURAL GAS SERVICES GROUP INC (NGS) refers to stock transactions made by corporate insiders—executives, directors, and beneficial owners holding more than 10% of the company's shares. These individuals have access to material non-public information and are required by law to report their trades to the SEC within two business days. Currently, 23 insiders are actively trading NGS stock, having executed 651 transactions in the past 90 days. The most active insider is Stephen Charles Taylor (Executive), who has made 141 transactions totaling $34.1M.
Get notified when executives and directors at NGS file new Form 4 transactions
Date | Insider | Title | Type | Shares | Price | Value | Flags |
|---|---|---|---|---|---|---|---|
| Dec 30, 2025 | M. Eckert Ian | Executive | Award | 2,532 | $N/A | $0 | |
| Dec 30, 2025 | M. Eckert Ian | Executive | Payment | 768 | $33.99 | $26.1K | |
| Dec 11, 2025 | Charles Taylor Stephen | Executive | Sale | 10,000 | $33.54 | $335.4K | |
| Dec 10, 2025 | Charles Taylor Stephen | Executive | Sale | 10,000 | $33.16 | $331.6K | |
| Dec 8, 2025 | K. Holley Jean | Executive | Purchase | 935 | $32.00 | $29.9K | |
| Dec 8, 2025 | K. Holley Jean | Executive | Purchase | 2,190 | $32.04 | $70.2K | |
| Dec 4, 2025 | Charles Taylor Stephen | Executive | Sale | 20,000 | $32.12 | $642.4K | Large |
| Dec 3, 2025 | J. Tringali Donald | Executive | Award | 49 | $30.50 | $1.5K | |
| Dec 3, 2025 | Charles Taylor Stephen | Executive | Award | 412 | $30.50 | $12.6K | |
| Nov 20, 2025 | Charles Taylor Stephen | Executive | Sale | 10,000 | $31.37 | $313.7K | |
| Nov 19, 2025 | Charles Taylor Stephen | Executive | Sale | 10,000 | $30.31 | $303.1K | |
| Nov 17, 2025 | Charles Taylor Stephen | Executive | Sale | 10,000 | $31.01 | $310.1K | |
| Nov 10, 2025 | Charles Taylor Stephen | Executive | Sale | 10,000 | $30.00 | $300.0K | |
| Nov 10, 2025 | Charles Taylor Stephen | Executive | Sale | 8,748 | $29.50 | $258.1K | |
| Nov 7, 2025 | Charles Taylor Stephen | Executive | Sale | 1,252 | $29.50 | $36.9K |
| TYPE | COUNT | VALUE | % |
|---|---|---|---|
Award(A) | 134 | $28.2M | 44.3% |
Sale(S) | 333 | $25.7M | 40.4% |
Payment(F) | 71 | $6.2M | 9.7% |
Exercise(M) | 89 | $3.2M | 4.9% |
Purchase(P) | 16 | $332.9K | 0.5% |
Exercise (Options)(X) | 1 | $136.5K | 0.2% |
Disposition(D) | 1 | $0 | 0.0% |
Other(J) | 3 | $0 | 0.0% |
Gift(G) | 3 | $0 | 0.0% |
Insider selling pressure at NATURAL GAS SERVICES GROUP INC has increased, with 23 insiders executing 651 transactions across all time. Total sales of $25.7M significantly outpace purchases of $332.9K, resulting in a net outflow of $25.4M. This selling activity appears largely discretionary, which may warrant closer attention from investors.