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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
2025-09-15 Taylor Stephen Charles Director Grant or award +2,098 405,432
2025-09-15 Taylor Stephen Charles Director Option exercise · Restricted Stock Units +2,098 0
2025-09-04 Taylor Stephen Charles Director Sale 10b5-1 −10,000 $27.00 $270K 403,334
2025-09-04 HOLLEY JEAN K Director Purchase +3,752 $26.58 $100K 7,800
2025-08-22 Taylor Stephen Charles Director Sale 10b5-1 −10,000 $26.50 $265K 423,334
2025-08-22 Taylor Stephen Charles Director Sale 10b5-1 −10,000 $26.00 $260K 413,334
2025-08-14 HOLLEY JEAN K Director Purchase +4,048 $24.49 $99K 4,048
2025-08-08 TRINGALI DONALD J Director Grant or award +34 $24.78 $843 13,615
2025-08-08 Taylor Stephen Charles Director Grant or award +459 $24.78 $11K 114,213
2025-06-13 TRINGALI DONALD J Director Grant or award +562 1,509
2025-06-13 TRINGALI DONALD J Director Grant or award +5,058 13,581
2025-06-13 TRINGALI DONALD J Director Option exercise · Restricted Stock Units −5,620 0
2025-06-13 Hodges Georganne Director Grant or award +2,810 7,433
2025-06-13 Hodges Georganne Director Grant or award +1,405 1,405
2025-06-13 Hodges Georganne Director Option exercise · Restricted Stock Units −5,620 0
2025-06-13 Jenvey Nigel Director Grant or award +2,810 21,783
2025-06-13 Jenvey Nigel Director Option exercise · Restricted Stock Units −2,810 0
2025-06-05 TRINGALI DONALD J Director Grant or award · Restricted Stock Units +4,456 4,456
2025-06-05 Jenvey Nigel Director Grant or award · Restricted Stock Units +4,456 4,456
2025-06-05 Hodges Georganne Director Grant or award · Restricted Stock Units +4,456 4,456

Page 5 of 8 · 160 trades