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NGSNATURAL GAS SERVICES GROUP INC

Market cap
$399.46M
as of 2026-10-23
Latest close
$30.97
as of 2026-10-23
Sector
Energy
as of 2026-10-24
Industry
Oil & Gas Equipment & Services
as of 2026-10-24

Cluster

No cluster in the last 90 days under the default rule (14d · ≥2 insiders · all roles).

Form 4 historysince 2023-10-11

Dashed line = amended filing (Form 4/A)

InsiderTradedFiledTypeSharesPriceValueOwned after10b5-1 planFiling
Tringali Donald JSep 2Sep 3A59$35.22$2,07813,812NoForm 4
Tringali Donald JJun 10Jun 11A · derivative4,574$0.00$04,574NoForm 4
Holley Jean KJun 10Jun 11A · derivative3,009$0.00$03,009NoForm 4
Jackson John EarlJun 10Jun 11A · derivative3,009$0.00$03,009NoForm 4
Gallegos John A. Jr.Jun 10Jun 11A · derivative3,009$0.00$03,009NoForm 4
Hodges GeorganneJun 10Jun 11A · derivative3,009$0.00$03,009NoForm 4
Jenvey NigelJun 10Jun 11A · derivative3,521$0.00$03,521NoForm 4
Taylor Stephen CharlesJun 8Jun 9A334$42.42$14,16895,137NoForm 4
Tringali Donald JJun 5Jun 8A446not reportednot reported1,955NoForm 4
Tringali Donald JJun 5Jun 8A4,010not reportednot reported17,714NoForm 4
Tringali Donald JJun 5Jun 8M · derivative4,456$0.00$0not reportedNoForm 4
Holley Jean KJun 5Jun 8A4,456not reportednot reported18,846NoForm 4
Holley Jean KJun 5Jun 8M · derivative4,456$0.00$0not reportedNoForm 4
Taylor Stephen CharlesJun 5Jun 8A4,456not reportednot reported200,046NoForm 4
Taylor Stephen CharlesJun 5Jun 8J2,228$39.87$88,830197,818NoForm 4
Taylor Stephen CharlesJun 5Jun 8M · derivative4,456$0.00$0not reportedNoForm 4
Gallegos John A. Jr.Jun 5Jun 8A4,456not reportednot reported5,345NoForm 4
Gallegos John A. Jr.Jun 5Jun 8M · derivative4,456$0.00$0not reportedNoForm 4
Hodges GeorganneJun 5Jun 8A4,456not reportednot reported13,294NoForm 4
Hodges GeorganneJun 5Jun 8J2,228$39.87$88,83011,066NoForm 4
Hodges GeorganneJun 5Jun 8M · derivative4,456$0.00$0not reportedNoForm 4
Jenvey NigelJun 5Jun 8A4,456not reportednot reported26,239NoForm 4
Jenvey NigelJun 5Jun 8M · derivative4,456$0.00$0not reportedNoForm 4
Gallegos John A. Jr.Apr 1Jun 8A889not reportednot reported889NoForm 4
Gallegos John A. Jr.Apr 1Jun 8M · derivative889$0.00$0not reportedNoForm 4
Jacobs JustinChief Executive OfficerMar 13Mar 16A11,696not reportednot reported31,189NoForm 4
Jacobs JustinChief Executive OfficerMar 13Mar 16F4,433$35.59$157,77026,756NoForm 4
Jacobs JustinChief Executive OfficerMar 13Mar 16M · derivative10,140$0.00$020,280NoForm 4
Jacobs JustinChief Executive OfficerMar 13Mar 16M · derivative1,556$0.00$03,111NoForm 4
Jacobs JustinChief Executive OfficerMar 12Mar 16A · derivative27,647$0.00$027,647NoForm 4
Eckert Ian MChief Financial OfficerMar 12Mar 16A · derivative10,506$0.00$010,506NoForm 4
Taylor Stephen CharlesMar 6Mar 9S30,000$37.23Sale −$1,116,900175,432YesForm 4
Taylor Stephen CharlesMar 5Mar 9S70,000$37.58Sale −$2,630,600205,432YesForm 4
Tringali Donald JMar 4Mar 6A40$37.52$1,50113,704NoForm 4
Taylor Stephen CharlesMar 4Mar 6A336$37.52$12,607114,961NoForm 4
Jacobs JustinChief Executive OfficerFeb 3Feb 3A10,460not reportednot reported23,783NoForm 4
Jacobs JustinChief Executive OfficerFeb 3Feb 3F4,290$34.52$148,09119,493NoForm 4
Jacobs JustinChief Executive OfficerFeb 3Feb 3M · derivative10,460$0.00$010,461NoForm 4
Eckert Ian MChief Financial OfficerDec 30, 2025Dec 30, 2025A2,532not reportednot reported2,532NoForm 4
Eckert Ian MChief Financial OfficerDec 30, 2025Dec 30, 2025F768$33.99$26,1041,764NoForm 4
Eckert Ian MChief Financial OfficerDec 30, 2025Dec 30, 2025M · derivative2,532$0.00$05,063NoForm 4
Taylor Stephen CharlesDec 11, 2025Dec 12, 2025S10,000$33.54Sale −$335,400275,432NoForm 4
Taylor Stephen CharlesDec 10, 2025Dec 12, 2025S10,000$33.16Sale −$331,600285,432NoForm 4
Holley Jean KDec 8, 2025Dec 10, 2025P2,190$32.04Purchase +$70,16814,390NoForm 4
Holley Jean KDec 8, 2025Dec 9, 2025P935$32.00Purchase +$29,92012,200NoForm 4
Taylor Stephen CharlesDec 4, 2025Dec 5, 2025S20,000$32.12Sale −$642,400295,432NoForm 4
Tringali Donald JDec 3, 2025Dec 5, 2025A49$30.50$1,49513,664NoForm 4
Taylor Stephen CharlesDec 3, 2025Dec 5, 2025A412$30.50$12,566114,625NoForm 4
Taylor Stephen CharlesNov 20, 2025Nov 20, 2025S10,000$31.37Sale −$313,700315,432NoForm 4
Taylor Stephen CharlesNov 19, 2025Nov 20, 2025S10,000$30.31Sale −$303,100325,432NoForm 4
Taylor Stephen CharlesNov 17, 2025Nov 18, 2025S10,000$31.01Sale −$310,100335,432YesForm 4
Taylor Stephen CharlesNov 10, 2025Nov 12, 2025S8,748$29.50Sale −$258,066355,432YesForm 4
Taylor Stephen CharlesNov 10, 2025Nov 12, 2025S10,000$30.00Sale −$300,000345,432YesForm 4
Taylor Stephen CharlesNov 7, 2025Nov 7, 2025S9,900$29.00Sale −$287,100365,432YesForm 4
Taylor Stephen CharlesNov 7, 2025Nov 7, 2025S1,252$29.50Sale −$36,934364,180YesForm 4
Taylor Stephen CharlesNov 6, 2025Nov 7, 2025S100$29.00Sale −$2,900375,332YesForm 4
Holley Jean KNov 3, 2025Nov 3, 2025A3,465not reportednot reported11,265NoForm 4
Holley Jean KNov 3, 2025Nov 3, 2025M · derivative3,465$0.00$0not reportedNoForm 4
Tucker Brian LPresident & COONov 3, 2025Nov 3, 2025A128not reportednot reported5,327NoForm 4
Tucker Brian LPresident & COONov 3, 2025Nov 3, 2025A2,486not reportednot reported7,813NoForm 4
Tucker Brian LPresident & COONov 3, 2025Nov 3, 2025A1,909not reportednot reported9,722NoForm 4
Tucker Brian LPresident & COONov 3, 2025Nov 3, 2025A6,250not reportednot reported15,972NoForm 4
Tucker Brian LPresident & COONov 3, 2025Nov 3, 2025A1,910not reportednot reported17,882NoForm 4
Tucker Brian LPresident & COONov 3, 2025Nov 3, 2025F3,849$27.84$107,15614,033NoForm 4
Tucker Brian LPresident & COONov 3, 2025Nov 3, 2025M · derivative128$0.00$0not reportedNoForm 4
Tucker Brian LPresident & COONov 3, 2025Nov 3, 2025M · derivative2,486$0.00$0not reportedNoForm 4
Tucker Brian LPresident & COONov 3, 2025Nov 3, 2025M · derivative1,909$0.00$0not reportedNoForm 4
Tucker Brian LPresident & COOOct 9, 2025Oct 10, 2025A2,121not reportednot reported5,843NoForm 4
Tucker Brian LPresident & COOOct 9, 2025Oct 10, 2025F644$27.10$17,4525,199NoForm 4
Tucker Brian LPresident & COOOct 9, 2025Oct 10, 2025M · derivative2,121$0.00$02,120NoForm 4
Taylor Stephen CharlesSep 26, 2025Sep 26, 2025S7,915$28.50Sale −$225,578375,432YesForm 4
Taylor Stephen CharlesSep 25, 2025Sep 25, 2025S759$28.50Sale −$21,632383,347YesForm 4
Taylor Stephen CharlesSep 24, 2025Sep 24, 2025S1,326$28.50Sale −$37,791384,106YesForm 4
Taylor Stephen CharlesSep 23, 2025Sep 23, 2025S1,457$27.50Sale −$40,068395,432YesForm 4
Taylor Stephen CharlesSep 23, 2025Sep 23, 2025S10,000$28.01Sale −$280,100385,432YesForm 4
Taylor Stephen CharlesSep 19, 2025Sep 19, 2025S63$27.50Sale −$1,733396,889YesForm 4
Taylor Stephen CharlesSep 18, 2025Sep 18, 2025S1,638$27.50Sale −$45,045396,952YesForm 4
Taylor Stephen CharlesSep 17, 2025Sep 17, 2025S6,553$27.51Sale −$180,273398,590YesForm 4
Taylor Stephen CharlesSep 16, 2025Sep 16, 2025S289$27.50Sale −$7,948405,143YesForm 4
Taylor Stephen CharlesSep 15, 2025Sep 15, 2025A2,098not reportednot reported405,432NoForm 4
Taylor Stephen CharlesSep 15, 2025Sep 15, 2025M · derivative2,098$0.00$0not reportedNoForm 4
Holley Jean KSep 4, 2025Sep 4, 2025P3,752$26.58Purchase +$99,7287,800NoForm 4
Taylor Stephen CharlesSep 4, 2025Sep 4, 2025S10,000$27.00Sale −$270,000403,334YesForm 4
Taylor Stephen CharlesAug 8, 2025Aug 25, 2025A459$24.78$11,374114,213NoForm 4
Tringali Donald JAug 8, 2025Aug 25, 2025A34$24.78$84313,615NoForm 4
Taylor Stephen CharlesAug 22, 2025Aug 22, 2025S10,000$26.50Sale −$265,000423,334YesForm 4
Taylor Stephen CharlesAug 22, 2025Aug 22, 2025S10,000$26.00Sale −$260,000413,334YesForm 4
Holley Jean KAug 14, 2025Aug 15, 2025P4,048$24.49Purchase +$99,1364,048NoForm 4
Jenvey NigelJun 13, 2025Jun 16, 2025A2,810not reportednot reported21,783NoForm 4
Jenvey NigelJun 13, 2025Jun 16, 2025M · derivative2,810$0.00$0not reportedNoForm 4
Tringali Donald JJun 13, 2025Jun 16, 2025A562not reportednot reported1,509NoForm 4
Tringali Donald JJun 13, 2025Jun 16, 2025A5,058not reportednot reported13,581NoForm 4
Tringali Donald JJun 13, 2025Jun 16, 2025M · derivative5,620$0.00$0not reportedNoForm 4
Taylor Stephen CharlesJun 5, 2025Jun 9, 2025A · derivative4,456$0.00$04,456NoForm 4
Gallegos John A. Jr.Jun 5, 2025Jun 9, 2025A · derivative4,456$0.00$04,456NoForm 4
Holley Jean KJun 5, 2025Jun 9, 2025A · derivative4,456$0.00$04,456NoForm 4
Hodges GeorganneJun 5, 2025Jun 9, 2025A · derivative4,456$0.00$04,456NoForm 4
Jenvey NigelJun 5, 2025Jun 9, 2025A · derivative4,456$0.00$04,456NoForm 4
Tringali Donald JJun 5, 2025Jun 9, 2025A · derivative4,456$0.00$04,456NoForm 4
Taylor Stephen CharlesMay 15, 2025May 16, 2025S25,000$24.90Sale −$622,500433,334NoForm 4
Tucker Brian LPresident & COOApr 22, 2025Apr 24, 2025A3,764not reportednot reported5,241NoForm 4
Tucker Brian LPresident & COOApr 22, 2025Apr 24, 2025F1,519$22.88$34,7553,722NoForm 4
Tucker Brian LPresident & COOApr 22, 2025Apr 24, 2025M · derivative3,764$0.00$07,529NoForm 4
Hodges GeorganneOct 28, 2024Apr 8, 2025M4,623$0.00$04,623NoForm 4
Hodges GeorganneOct 28, 2024Apr 8, 2025M · derivative4,623$0.00$0not reportedNoForm 4
Gallegos John A. Jr.Apr 1, 2025Apr 3, 2025A · derivative889$0.00$0889NoForm 4
Jacobs JustinChief Executive OfficerMar 13, 2025Mar 17, 2025A · derivative35,087$0.00$035,087NoForm 4
Tucker Brian LPresident & COOMar 13, 2025Mar 17, 2025A · derivative9,014$0.00$09,014NoForm 4
Jacobs JustinChief Executive OfficerJan 29, 2025Jan 30, 2025A10,461not reportednot reported13,323NoForm 4
Jacobs JustinChief Executive OfficerJan 29, 2025Jan 30, 2025M · derivative10,461$0.00$020,921NoForm 4
Taylor Stephen CharlesJan 21, 2025Jan 22, 2025S9,400$28.57Sale −$268,558448,387YesForm 4
Taylor Stephen CharlesJan 21, 2025Jan 22, 2025S10,000$29.01Sale −$290,100438,387YesForm 4
Eckert Ian MChief Financial OfficerDec 30, 2024Jan 2, 2025A · derivative7,595$0.00$07,595NoForm 4
Taylor Stephen CharlesDec 12, 2024Dec 16, 2024S10,000$27.15Sale −$271,500457,787NoForm 4
Taylor Stephen CharlesNov 25, 2024Nov 26, 2024S600$28.50Sale −$17,100467,787YesForm 4
Taylor Stephen CharlesNov 22, 2024Nov 26, 2024S10,000$28.00Sale −$280,000468,387YesForm 4
Taylor Stephen CharlesNov 21, 2024Nov 21, 2024S38,479$26.89Sale −$1,034,700478,387YesForm 4
Taylor Stephen CharlesNov 20, 2024Nov 21, 2024S1,521$26.00Sale −$39,546516,866YesForm 4
Taylor Stephen CharlesNov 19, 2024Nov 21, 2024S6,516$25.50Sale −$166,158518,387YesForm 4
Taylor Stephen CharlesNov 18, 2024Nov 18, 2024S3,442$25.51Sale −$87,805524,903YesForm 4
Taylor Stephen CharlesNov 15, 2024Nov 18, 2024S10,042$25.01Sale −$251,150528,345YesForm 4
Taylor Stephen CharlesNov 13, 2024Nov 13, 2024S2,191$24.50Sale −$53,680538,387YesForm 4
Taylor Stephen CharlesNov 12, 2024Nov 13, 2024S4,713$24.51Sale −$115,516540,578YesForm 4
Taylor Stephen CharlesNov 11, 2024Nov 13, 2024S3,096$24.50Sale −$75,852545,291YesForm 4
Holley Jean KNov 1, 2024Nov 5, 2024A · derivative3,465$0.00$03,465NoForm 4
Tucker Brian LPresident & COOOct 21, 2024Oct 22, 2024A2,120not reportednot reported2,120NoForm 4
Tucker Brian LPresident & COOOct 21, 2024Oct 22, 2024F643$20.45$13,1491,477NoForm 4
Tucker Brian LPresident & COOOct 21, 2024Oct 22, 2024M · derivative2,120$0.00$04,241NoForm 4
Taylor Stephen CharlesSep 13, 2024Sep 16, 2024A · derivative4,195$0.00$04,195NoForm 4
Taylor Stephen CharlesAug 26, 2024Aug 28, 2024S3,181$22.00Sale −$69,982548,387NoForm 4
Taylor Stephen CharlesJun 30, 2024Jul 1, 2024A10,101not reportednot reported560,233NoForm 4
Taylor Stephen CharlesJun 30, 2024Jul 1, 2024F3,975$20.12$79,977556,258NoForm 4
Taylor Stephen CharlesJun 30, 2024Jul 1, 2024M · derivative10,101$0.00$0not reportedNoForm 4
Jacobs JustinChief Executive OfficerJun 14, 2024Jun 18, 2024P2,500$19.08Purchase +$47,7002,862NoForm 4
Bradshaw David LJun 13, 2024Jun 17, 2024A · derivative5,620$0.00$05,620NoForm 4
Tringali Donald JJun 13, 2024Jun 17, 2024A · derivative5,620$0.00$05,620NoForm 4
Hodges GeorganneJun 13, 2024Jun 17, 2024A · derivative5,620$0.00$05,620NoForm 4
Jenvey NigelJun 13, 2024Jun 17, 2024A · derivative5,620$0.00$05,620NoForm 4
Jenvey NigelMay 9, 2024May 13, 2024A9,470not reportednot reported18,973NoForm 4
Jenvey NigelMay 9, 2024May 13, 2024M · derivative9,470$0.00$0not reportedNoForm 4
Tringali Donald JMay 9, 2024May 13, 2024A947$0.00$0947NoForm 4
Tringali Donald JMay 9, 2024May 13, 2024A8,523$0.00$08,523NoForm 4
Tringali Donald JMay 9, 2024May 13, 2024M · derivative9,470$0.00$0not reportedNoForm 4
Jacobs JustinChief Executive OfficerMay 9, 2024May 13, 2024J6,856$0.00$02,614NoForm 4
Jacobs JustinChief Executive OfficerMay 9, 2024May 13, 2024D2,252$0.00$0362NoForm 4
Bradshaw David LMay 9, 2024May 13, 20244/AA4,735$0.00$040,991NoForm 4/A
Hazlett James RChief Technical OfficerMay 1, 2024May 8, 2024F2,816$22.42$63,135103,672NoForm 4
Hazlett James RChief Technical OfficerMar 18, 2024May 8, 2024F2,356$16.93$39,887106,488NoForm 4
Hazlett James RChief Technical OfficerMay 1, 2024May 3, 2024F1,568$22.44$35,186108,844NoForm 4
Hazlett James RChief Technical OfficerMar 14, 2024Mar 18, 2024A · derivative21,984$0.00$021,984NoForm 4
Tucker Brian LChief Operating OfficerMar 4, 2024Mar 7, 2024A · derivative11,293$0.00$011,293NoForm 4
Jacobs JustinJan 29, 2024Jan 31, 2024A · derivative31,382$0.00$031,382NoForm 4
Hodges GeorganneOct 26, 2023Oct 30, 2023A · derivative4,623$0.00$04,623NoForm 4
Tucker Brian LPresident & COOOct 9, 2023Oct 11, 2023A · derivative6,361$0.00$06,361NoForm 4