SEC Form 4 · Updated Daily
NGS
— Natural Gas Services Group, Inc. OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| Mark X Energy CO | Reporting Owner | 489,272 | 2006-01-19 | S |
| CBarney Investments, Ltd. | Reporting Owner | 489,272 | 2006-01-19 | S |
| Barney Charles L | 10%+ Owner | 489,272 | 2006-01-19 | S |
| HENSLEY PAUL D | Director | 253,700 | 2008-06-09 | S |
| YADON RICHARD L | Director | 200,625 | 2011-07-29 | A |
| Hazlett James R | Officer | 106,488 | 2024-03-18 | F |
| Taylor Stephen Charles | Officer | 95,137 | 2026-06-08 | A |
| Lawrence G Larry | Director | 54,249 | 2021-01-04 | — |
| BRADSHAW DAVID L | Director | 40,991 | 2024-05-09 | A |
| Jacobs Justin | Officer | 31,189 | 2026-03-13 | A |
| Jenvey Nigel | Director | 26,239 | 2026-06-05 | A |
| CHISHOLM JOHN | Reporting Owner | 21,147 | 2022-12-29 | A |
| Foster Micah C. | Officer | 18,880 | 2023-02-21 | F |
| HOLLEY JEAN K | Director | 18,846 | 2026-06-05 | A |
| Tucker Brian L | Officer | 17,882 | 2025-11-03 | A |
| HUGHES WILLIAM F JR | Director | 16,453 | 2021-03-18 | M |
| TRINGALI DONALD J | Director | 13,812 | 2026-09-02 | A |
| Hodges Georganne | Director | 13,294 | 2026-06-05 | A |
| WAIT EARL R | Officer | 12,597 | 2010-12-28 | M |
| HUSEMAN KENNETH V | Director | 11,167 | 2012-12-12 | A |
| STRASHEIM GENE A | Director | 8,500 | 2011-04-11 | A |
| Beyer Leslie Ann | Director | 8,148 | 2022-12-01 | S |
| Gallegos John A. Jr. | Director | 5,345 | 2026-06-05 | A |
| Lawrence James R | Officer | 4,609 | 2020-10-01 | F |
| CURTIS CHARLES G | Director | 3,546 | 2020-06-10 | M |
| Eckert Ian M | Officer | 2,532 | 2025-12-30 | A |
| Baker Alan A | Director | 2,500 | 2007-06-06 | M |
| JACKSON JOHN EARL | Director | 0 | 2026-06-10 | — |
| Bittner John D. | Officer | 0 | 2023-10-09 | — |
| Faircloth James D | Officer | 0 | 2023-02-08 | — |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-09-02 | TRINGALI DONALD J | Grant / award | 59 | $35.22 | 13,812 |
| 2026-06-10 | JACKSON JOHN EARL | — | — | — | 0 |
| 2026-06-10 | JACKSON JOHN EARL | Grant / award (derivative) | 3,009 | $0.00 | 3,009 |
| 2026-06-10 | Gallegos John A. Jr. | Grant / award (derivative) | 3,009 | $0.00 | 3,009 |
| 2026-06-10 | Hodges Georganne | Grant / award (derivative) | 3,009 | $0.00 | 3,009 |
| 2026-06-10 | HOLLEY JEAN K | Grant / award (derivative) | 3,009 | $0.00 | 3,009 |
| 2026-06-10 | Jenvey Nigel | Grant / award (derivative) | 3,521 | $0.00 | 3,521 |
| 2026-06-10 | TRINGALI DONALD J | Grant / award (derivative) | 4,574 | $0.00 | 4,574 |
| 2026-06-08 | TRINGALI DONALD J | Grant / award | 49 | $42.42 | 17,763 |
| 2026-06-08 | Taylor Stephen Charles | Grant / award | 334 | $42.42 | 95,137 |
| 2026-06-05 | Gallegos John A. Jr. | Option exercise (derivative) | 4,456 | $0.00 | 0 |
| 2026-06-05 | Gallegos John A. Jr. | Grant / award | 4,456 | — | 5,345 |
| 2026-06-05 | Jenvey Nigel | Option exercise (derivative) | 4,456 | $0.00 | 0 |
| 2026-06-05 | Jenvey Nigel | Grant / award | 4,456 | — | 26,239 |
| 2026-06-05 | HOLLEY JEAN K | Option exercise (derivative) | 4,456 | $0.00 | 0 |
| 2026-06-05 | HOLLEY JEAN K | Grant / award | 4,456 | — | 18,846 |
| 2026-06-05 | TRINGALI DONALD J | Option exercise (derivative) | 4,456 | $0.00 | 0 |
| 2026-06-05 | TRINGALI DONALD J | Grant / award | 4,010 | — | 17,714 |
| 2026-06-05 | TRINGALI DONALD J | Grant / award | 446 | — | 1,955 |
| 2026-06-05 | Taylor Stephen Charles | Option exercise (derivative) | 4,456 | $0.00 | 0 |
| 2026-06-05 | Taylor Stephen Charles | J | 2,228 | $39.87 | 197,818 |
| 2026-06-05 | Taylor Stephen Charles | Grant / award | 4,456 | — | 200,046 |
| 2026-06-05 | Hodges Georganne | Option exercise (derivative) | 4,456 | $0.00 | 0 |
| 2026-06-05 | Hodges Georganne | J | 2,228 | $39.87 | 11,066 |
| 2026-06-05 | Hodges Georganne | Grant / award | 4,456 | — | 13,294 |
| 2026-04-01 | Gallegos John A. Jr. | Option exercise (derivative) | 889 | $0.00 | 0 |
| 2026-04-01 | Gallegos John A. Jr. | Grant / award | 889 | — | 889 |
| 2026-03-13 | Jacobs Justin | Option exercise (derivative) | 1,556 | $0.00 | 3,111 |
| 2026-03-13 | Jacobs Justin | Option exercise (derivative) | 10,140 | $0.00 | 20,280 |
| 2026-03-13 | Jacobs Justin | Tax withholding | 4,433 | $35.59 | 26,756 |
| 2026-03-13 | Jacobs Justin | Grant / award | 11,696 | — | 31,189 |
| 2026-03-12 | Jacobs Justin | Grant / award (derivative) | 27,647 | $0.00 | 27,647 |
| 2026-03-12 | Eckert Ian M | Grant / award (derivative) | 10,506 | $0.00 | 10,506 |
| 2026-03-06 | Taylor Stephen Charles | Open-market sale | 30,000 | $37.23 | 175,432 |
| 2026-03-05 | Taylor Stephen Charles | Open-market sale | 70,000 | $37.58 | 205,432 |
| 2026-03-04 | TRINGALI DONALD J | Grant / award | 40 | $37.52 | 13,704 |
| 2026-03-04 | Taylor Stephen Charles | Grant / award | 336 | $37.52 | 114,961 |
| 2026-02-03 | Jacobs Justin | Option exercise (derivative) | 10,460 | $0.00 | 10,461 |
| 2026-02-03 | Jacobs Justin | Tax withholding | 4,290 | $34.52 | 19,493 |
| 2026-02-03 | Jacobs Justin | Grant / award | 10,460 | — | 23,783 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.