Form4insider filings, from the source

Company · CIK 0001084991 · SIC 1389 — Oil & Gas Field Services, NEC · NYSE

NATURAL GAS SERVICES GROUP INC · NGS

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $7.2M · 47net −$7.2M
$10k$10k$100k$100k$1M$1MbuyssalesMar 2015Nov 2015Jul 2016Feb 2017Oct 2017Jun 2018Feb 2019

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Apr 6, 2016 AForm 4 →Apr 8, 7:03 pm EDTG Larry LawrenceChief Financial Officer20,000$20.39$407,80056,845— plan?
Mar 22, 2016 SForm 4 →Mar 24, 5:15 pm EDTStephen Charles TaylorPresident and CEO, Director15,000$21.33$319,920332,543−4.32% plan?
Mar 22, 2016 MForm 4 →Mar 24, 5:15 pm EDTStephen Charles TaylorPresident and CEO, Director15,000$14.22$213,300347,543— plan?
Mar 19, 2016 FForm 4 →May 12, 5:14 pm EDTJames R HazlettVP -- Technical Services5,633$21.60$121,67367,723— plan? late
Mar 19, 2016 FForm 4 →May 12, 2:37 pm EDTG Larry LawrenceCFO & VP5,624$21.60$121,47851,221— plan? late
Jan 18, 2016 FForm 4 →May 12, 7:04 pm EDTStephen Charles TaylorCEO & President, Director34,805$18.46$642,500297,738— plan? late
Jan 6, 2016 AForm 4/A →Feb 9, 4:14 pm ESTStephen Charles TaylorPresident and CEO, Director75,915$22.13$1,679,999332,543— plan?
Jan 6, 2016 AForm 4 →Jan 8, 2:49 pm ESTStephen Charles TaylorPresident and CEO, Director75,915$22.13$1,679,999332,543— plan? amended
Dec 18, 2015 SForm 4 →Dec 22, 5:12 pm ESTG Larry LawrenceChief Financial Officer8,000$20.34$162,72036,845−17.8% plan?
Dec 17, 2015 SForm 4 →Dec 21, 7:01 pm ESTJames R HazlettVice President-Technical Svcs.4,500$20.43$91,95553,356−7.78% plan?
Dec 15, 2015 SForm 4 →Dec 17, 5:27 pm ESTJames R HazlettVice President-Technical Svcs.2,000$19.91$39,82061,922−3.13% plan?
Dec 4, 2015 MForm 4 →Jan 14, 2016, 1:32 pm ESTCharles G CurtisDirector2,500$16.96$42,40066,637— plan? late
Sep 14, 2015 MForm 4 →May 12, 2016, 6:30 pm EDTWilliam F Hughes Jr.Director10,000$18.39$183,92538,664— plan? late
Jun 30, 2015 FForm 4 →May 12, 2016, 6:45 pm EDTDavid L BradshawDirector618$21.47$13,27119,048— plan? late
Jun 30, 2015 FForm 4 →May 12, 2016, 6:03 pm EDTJohn ChisholmDirector618$21.47$13,27121,340— plan? late
Jun 30, 2015 SForm 4 →Jul 2, 11:41 am EDTJames R HazlettVice President-Technical Svcs.2,500$22.00$55,00063,922−3.76% plan?
Jun 19, 2015 SForm 4 →Jun 22, 7:26 pm EDTJames R HazlettVice President-Technical Svcs.2,500$23.32$58,30066,422−3.63% plan?
Jun 17, 2015 SForm 4 →Jun 18, 5:52 pm EDTJames R HazlettVice President-Technical Svcs.3,372$23.20$78,23068,922−4.66% plan?
Jun 10, 2015 SForm 4 →Jun 12, 3:22 pm EDTJames R HazlettVice President-Technical Svcs.6,628$23.97$158,87368,228−8.85% plan?
Mar 31, 2015 FForm 4 →Jun 12, 2:05 pm EDTJohn ChisholmDirector206$19.22$3,95916,074— plan? late
Mar 31, 2015 FForm 4 →Jun 12, 1:55 pm EDTDavid L BradshawDirector206$19.22$3,95913,782— plan? late
Mar 31, 2015 SForm 4 →Apr 1, 6:20 pm EDTStephen Charles TaylorPresident and CEO, Director4,000$19.27$77,080267,546−1.47% plan?
Mar 30, 2015 SForm 4 →Apr 2, 7:22 pm EDTStephen Charles TaylorPresident and CEO, Director2,115$19.07$40,333265,431−0.79% plan? late
Mar 27, 2015 SForm 4 →Mar 30, 6:22 pm EDTStephen Charles TaylorPresident and CEO, Director1,000$19.00$19,000271,546−0.37% plan?
Mar 24, 2015 SForm 4 →Mar 26, 6:14 pm EDTStephen Charles TaylorPresident and CEO, Director2,309$20.06$46,319272,546−0.84% plan?
Mar 24, 2015 SForm 4 →Mar 25, 5:59 pm EDTG Larry LawrenceChief Financial Officer10,000$19.95$199,50050,000−16.7% plan?
Mar 19, 2015 AForm 4 →Mar 23, 7:30 pm EDTCharles G CurtisDirector5,492$18.75$102,97564,137— plan?
Mar 19, 2015 AForm 4 →Mar 23, 7:28 pm EDTJohn ChisholmDirector5,492$18.75$102,97516,280— plan?
Mar 19, 2015 AMForm 4 →Mar 23, 7:27 pm EDTWilliam F Hughes Jr.Director10,492$17.17$180,12522,720— plan?
Mar 19, 2015 AForm 4 →Mar 23, 7:26 pm EDTG Larry LawrenceChief Financial Officer20,000$18.75$375,00060,000— plan?
Mar 19, 2015 AForm 4 →Mar 23, 7:26 pm EDTDavid L BradshawDirector5,492$18.75$102,97513,988— plan?
Mar 19, 2015 AForm 4 →Mar 23, 7:25 pm EDTJames R HazlettVice President-Technical Svcs.20,000$18.75$375,00080,010— plan?
Mar 18, 2015 SForm 4 →Mar 20, 9:16 pm EDTStephen Charles TaylorPresident and CEO, Director33,256$18.51$615,582286,599−10.4% plan?
Mar 18, 2015 MForm 4 →Mar 20, 9:16 pm EDTStephen Charles TaylorPresident and CEO, Director45,000$9.22$414,900319,855— plan?
Jan 25, 2015 FForm 4 →Jun 12, 2:01 pm EDTG Larry LawrenceChief Financial Officer5,155$20.19$104,06744,845— plan? late
Jan 25, 2015 FForm 4 →Jun 12, 1:58 pm EDTJames R HazlettVice President-Technical Svcs.5,154$20.19$104,04774,856— plan? late
Jan 23, 2015 FForm 4 →Jun 12, 2:07 pm EDTStephen Charles TaylorPresident and CEO, Director20,547$22.00$452,034244,884— plan? late
Jan 16, 2015 AForm 4 →Jan 20, 4:24 pm ESTStephen Charles TaylorPresident and CEO, Director83,590$19.49$1,629,169274,855— plan?

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Jun 10, 2026 AForm 4 →Jun 11, 10:27 am EDTDonald J TringaliDirector4,574——4,574—
Jun 10, 2026 AForm 4 →Jun 11, 10:19 am EDTNigel JenveyDirector3,521——3,521—
Jun 10, 2026 AForm 4 →Jun 11, 10:04 am EDTJean K HolleyDirector3,009——3,009—
Jun 10, 2026 AForm 4 →Jun 11, 9:57 am EDTGeorganne HodgesDirector3,009——3,009—
Jun 10, 2026 AForm 4 →Jun 11, 9:46 am EDTJohn A. Gallegos Jr.Director3,009——3,009—
Jun 10, 2026 AForm 4 →Jun 11, 9:36 am EDTJohn Earl JacksonDirector3,009——3,009—
Jun 5, 2026 MForm 4 →Jun 8, 3:39 pm EDTGeorganne HodgesDirector4,456——0—
Jun 5, 2026 MForm 4 →Jun 8, 3:26 pm EDTStephen Charles TaylorDirector4,456——0—
Jun 5, 2026 MForm 4 →Jun 8, 3:00 pm EDTDonald J TringaliDirector4,456——0—
Jun 5, 2026 MForm 4 →Jun 8, 2:44 pm EDTJean K HolleyDirector4,456——0—
Jun 5, 2026 MForm 4 →Jun 8, 2:19 pm EDTNigel JenveyDirector4,456——0—
Jun 5, 2026 MForm 4 →Jun 8, 1:20 pm EDTJohn A. Gallegos Jr.Director4,456——0—
Apr 1, 2026 MForm 4 →Jun 8, 1:00 pm EDTJohn A. Gallegos Jr.Director889——0— late
Feb 14, 2019 MForm 4 →Feb 28, 3:27 pm ESTStephen Charles TaylorChief Executive Officer, Director21,140——49,090— late
Feb 5, 2019 MForm 4 →Feb 6, 3:08 pm ESTStephen Charles TaylorChief Executive Officer, Director2,720——0—
Jan 31, 2019 MForm 4 →Feb 4, 6:03 pm ESTStephen Charles TaylorChief Executive Officer, Director12,789——2,720—
Jan 28, 2019 MForm 4 →Jan 30, 5:42 pm ESTStephen Charles TaylorChief Executive Officer, Director6,363——15,509—
Jan 23, 2019 MForm 4 →Jan 25, 5:43 pm ESTStephen Charles TaylorChief Executive Officer, Director8,025——21,872—
Jan 17, 2019 MForm 4 →Jan 22, 5:06 pm ESTStephen Charles TaylorChief Executive Officer, Director23,955——6,045—
Jan 8, 2019 MForm 4 →Jan 9, 3:52 pm ESTJohn ChisholmDirector2,500——0—
Dec 31, 2018 MForm 4 →Jan 2, 2019, 2:33 pm ESTWilliam F Hughes Jr.Director898——3,665—
Sep 30, 2018 MForm 4 →Oct 2, 2:16 pm EDTWilliam F Hughes Jr.Director898——4,563—
Sep 6, 2018 MForm 4 →Sep 6, 3:49 pm EDTStephen Charles TaylorCEO, Director5,000——0—
Aug 29, 2018 MForm 4 →Aug 31, 4:00 pm EDTStephen Charles TaylorCEO, Director13,776——4,000—
Aug 21, 2018 MForm 4 →Aug 23, 11:29 am EDTStephen Charles TaylorCEO, Director3,904——21,096—
Jun 30, 2018 MForm 4 →Jul 3, 12:54 pm EDTWilliam F Hughes Jr.Director899——5,461—
Mar 31, 2018 MForm 4 →Apr 3, 4:44 pm EDTWilliam F Hughes Jr.Director898——6,360—
Mar 23, 2018 MForm 4 →Aug 27, 6:20 pm EDTStephen Charles TaylorCEO, Director3,320——17,776— late
Mar 23, 2018 MForm 4 →Mar 27, 3:19 pm EDTG Larry LawrenceChief Financial Officer5,000——14,000—
Mar 23, 2018 MForm 4 →Mar 27, 2:22 pm EDTJames R HazlettVP -- Technical Services5,000——14,000—
Mar 15, 2018 AForm 4 →Mar 19, 5:17 pm EDTJames R HazlettVP -- Technical Services4,000——4,000—
Mar 15, 2018 AForm 4 →Mar 19, 5:03 pm EDTG Larry LawrenceChief Financial Officer4,000——4,000—
Mar 15, 2018 AForm 4 →Mar 19, 4:42 pm EDTStephen Charles TaylorChief Executive Officer, Director27,951——27,951—
Mar 15, 2018 AForm 4 →Mar 19, 2:49 pm EDTWilliam F Hughes Jr.Director3,665——3,665—
Feb 14, 2018 MForm 4 →Feb 16, 5:33 pm ESTStephen Charles TaylorCEO, Director21,139——42,279—
Jan 25, 2018 MForm 4 →Jan 29, 11:02 am ESTJames R HazlettVP -- Technical Services102——0—
Jan 22, 2018 MForm 4 →Jan 24, 5:32 pm ESTJames R HazlettVP -- Technical Services1,377——102—
Jan 12, 2018 MForm 4 →Jan 17, 6:01 pm ESTJames R HazlettVP -- Technical Services3,521——1,479—
Dec 27, 2017 MForm 4 →Dec 29, 2:55 pm ESTJohn ChisholmDirector5,000——0—
Dec 21, 2017 MForm 4 →Dec 22, 4:15 pm ESTCharles G CurtisDirector2,500——0—
Dec 19, 2017 MForm 4 →Dec 20, 7:00 pm ESTStephen Charles TaylorChief Executive Officer, Director16,212——0—
Dec 11, 2017 MForm 4 →Dec 13, 6:39 pm ESTCharles G CurtisDirector2,500——0—
Oct 3, 2017 MForm 4 →Oct 4, 6:03 pm EDTStephen Charles TaylorCEO, Director3,874——16,212—
Mar 23, 2017 AForm 4 →Mar 27, 6:25 pm EDTJames R HazlettVP -- Technical Services15,000——15,000—
Mar 23, 2017 AForm 4 →Mar 27, 5:55 pm EDTWilliam F Hughes Jr.Director3,593——3,593—
Mar 23, 2017 AForm 4 →Mar 27, 3:06 pm EDTG Larry LawrenceChief Financial Officer15,000——15,000—
Feb 14, 2017 AForm 4/A →Mar 15, 7:16 pm EDTStephen Charles TaylorChief Executive Officer, Director17,616——17,616—
Jan 11, 2017 MForm 4 →Jan 12, 4:38 pm ESTStephen Charles TaylorChief Executive Officer, Director19,914——20,086—
Dec 29, 2016 MForm 4 →Jan 3, 2017, 2:25 pm ESTJohn ChisholmDirector2,500——0—
Nov 11, 2016 MForm 4 →Nov 14, 2:57 pm ESTCharles G CurtisDirector2,500——0—
Mar 22, 2016 MForm 4 →Mar 24, 5:15 pm EDTStephen Charles TaylorPresident and CEO, Director15,000——0—
Dec 4, 2015 MForm 4 →Jan 14, 2016, 1:32 pm ESTCharles G CurtisDirector2,500——0— late
Sep 14, 2015 MForm 4 →May 12, 2016, 6:30 pm EDTWilliam F Hughes Jr.Director10,000——0— late
Mar 19, 2015 MForm 4 →Mar 23, 7:27 pm EDTWilliam F Hughes Jr.Director5,000——0—
Mar 18, 2015 MForm 4 →Mar 20, 9:16 pm EDTStephen Charles TaylorPresident and CEO, Director45,000——0—