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CIK 0001084991 · Accelerated filer

NATURAL GAS SERVICES GROUP INC

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Ticker
NGS
Exchange
NYSE
Industry
Oil & Gas Field Services, NEC
FY end
Dec 31
Entity type
operating
EIN
752811855
Phone
(432) 262-2700
Business address
404 VETERANS AIRPARK LANE, SUITE 300, MIDLAND, TX, 79705
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$0
in 0 filings

Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2026-06-05 HOLLEY JEAN K Director Option exercise · Restricted Stock Units −4,456 0
2026-06-05 TRINGALI DONALD J Director Grant or award +446 1,955
2026-06-05 TRINGALI DONALD J Director Grant or award +4,010 17,714
2026-06-05 TRINGALI DONALD J Director Option exercise · Restricted Stock Units −4,456 0
2026-04-01 Gallegos John A. Jr. Director Grant or award +889 889
2026-04-01 Gallegos John A. Jr. Director Option exercise · Restricted Stock Unit −889 0
2026-03-13 Jacobs Justin Chief Executive Officer Grant or award +11,696 31,189
2026-03-13 Jacobs Justin Chief Executive Officer Shares withheld for taxes −4,433 $35.59 $158K 26,756
2026-03-13 Jacobs Justin Chief Executive Officer Option exercise · Restricted Stock Unit −10,140 20,280
2026-03-13 Jacobs Justin Chief Executive Officer Option exercise · Restricted Stock Unit −1,556 3,111
2026-03-12 Eckert Ian M Chief Financial Officer Grant or award · Restricted Stock Units +10,506 10,506
2026-03-12 Jacobs Justin Chief Executive Officer Grant or award · Restricted Stock Units +27,647 27,647
2026-03-06 Taylor Stephen Charles Director Sale 10b5-1 −30,000 $37.23 $1.1M 175,432
2026-03-05 Taylor Stephen Charles Director Sale 10b5-1 −70,000 $37.58 $2.6M 205,432
2026-03-04 Taylor Stephen Charles Director Grant or award +336 $37.52 $13K 114,961
2026-03-04 TRINGALI DONALD J Director Grant or award +40 $37.52 $2K 13,704
2026-02-03 Jacobs Justin Chief Executive Officer Grant or award +10,460 23,783
2026-02-03 Jacobs Justin Chief Executive Officer Shares withheld for taxes −4,290 $34.52 $148K 19,493
2026-02-03 Jacobs Justin Chief Executive Officer Option exercise · Restricted Stock Units +10,460 10,461
2025-12-30 Eckert Ian M Chief Financial Officer Grant or award +2,532 2,532

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