KGS

Kodiak Gas Services, Inc.

Insider trading activity for Kodiak Gas Services, Inc., straight from SEC Form 4 filings. Net figures below count open-market buys and sales only — grants, option exercises and tax withholding are excluded because they are compensation, not decisions to trade.

Past 3 months

-$1.6M

net selling

Bought(0 · 0 insiders): $0
Sold(8 · 5 insiders): $1.6M

Past 6 months

-$2.2M

net selling

Bought(0 · 0 insiders): $0
Sold(11 · 5 insiders): $2.2M

Past 12 months

-$673.6M

net selling

Bought(3 · 3 insiders): $624.4K
Sold(19 · 6 insiders): $674.2M

Transaction history

The 81 most recent Form 4 transactions.

Open in screener →

Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
Sep 16	Buhigas Pedro R.	Chief Information…	SSELL◷	3,663	$58.14	$213K	-10.2%	Open the original filing on SEC.gov
Sep 14	Hamilton Ewan William	EVP & Chief Accounting…	SSELL◷	2,729	$61.85	$168.8K	-9.3%	Open the original filing on SEC.gov
Sep 11	Lenamon William Chad	Executive Vice President…	SSELL◷	1,000	$63.21	$63.2K	-1.2%	Open the original filing on SEC.gov
Sep 8	Green Steven Lee	EVP & Chief Commercial…	FTAX	1,857	$64.14	$119.1K	-8.6%	Open the original filing on SEC.gov
Sep 1	McKee Robert Michael	President & CEO	SSELL◷	5,999	$59.31	$355.8K	-2.0%	Open the original filing on SEC.gov
Aug 19	McKee Robert Michael	President & CEO	SSELL◷	6,008	$62.39	$374.8K	-2.0%	Open the original filing on SEC.gov
Aug 11	Lenamon William Chad	Executive Vice President…	SSELL◷	1,000	$61.93	$61.9K	-1.1%	Open the original filing on SEC.gov
Jul 13	Lenamon William Chad	Executive Vice President…	SSELL◷	1,000	$67.79	$67.8K	-1.1%	Open the original filing on SEC.gov
Jul 8	Roclawski Cory Anne	EVP & CHRO	SSELL◷	4,169	$68.36	$285K	-14.5%	Open the original filing on SEC.gov
Jul 6	Lenamon William Chad	Executive Vice President…	FTAX	2,624	$66.23	$173.8K	-2.9%	Open the original filing on SEC.gov
Jul 6	Roclawski Cory Anne	EVP & CHRO	FTAX	2,706	$66.23	$179.2K	-8.6%	Open the original filing on SEC.gov
Jul 6	Hamilton Ewan William	EVP & Chief Accounting…	FTAX	2,214	$66.23	$146.6K	-7.0%	Open the original filing on SEC.gov
Jul 6	Griggs John	Executive VP & CFO	FTAX	3,771	$66.23	$249.8K	-3.6%	Open the original filing on SEC.gov
Jul 6	Buhigas Pedro R.	Chief Information…	FTAX	2,378	$66.23	$157.5K	-6.2%	Open the original filing on SEC.gov
Jul 3	McKee Robert Michael	President & CEO	FTAX	9,838	$66.23	$651.6K	-3.1%	Open the original filing on SEC.gov
Jun 17	Buhigas Pedro R.	Chief Information…	SSELL◷	4,625	$67.78	$313.5K	-10.7%	Open the original filing on SEC.gov
Jun 16	Hamilton Ewan William	EVP & Chief Accounting…	SSELL◷	2,729	$68.62	$187.3K	-8.0%	Open the original filing on SEC.gov
Jun 11	Lenamon William Chad	Executive Vice President…	SSELL◷	1,000	$67.79	$67.8K	-1.1%	Open the original filing on SEC.gov
May 7	Montana Margaret C	Director	AGRANT	2,135	$70.27	$150K	+8.1%	Open the original filing on SEC.gov
May 7	Holloway Gretchen Lynn	Director	AGRANT	2,135	$70.27	$150K	+11.0%	Open the original filing on SEC.gov
May 7	Hogan Randall J	Director	AGRANT	2,135	$70.27	$150K	+7.5%	Open the original filing on SEC.gov
May 7	Duplantier Jon-Al	Director	AGRANT	2,135	$70.27	$150K	+10.5%	Open the original filing on SEC.gov
May 7	Drumgoole Christopher	Director	AGRANT	2,135	$70.27	$150K	+10.5%	Open the original filing on SEC.gov
May 7	Darden Alexander Newsom	Director	AGRANT	2,135	$70.27	$150K	+42.7%	Open the original filing on SEC.gov
May 7	Bullock William L. Jr.	Director	AGRANT	2,135	$70.27	$150K	+79.8%	Open the original filing on SEC.gov
May 7	Bonno Terry	Director	AGRANT	2,135	$70.27	$150K	+6.6%	Open the original filing on SEC.gov
Mar 19	Buhigas Pedro R.	Chief Information…	SSELL◷	13,942	$55.73	$777K	-24.6%	Open the original filing on SEC.gov
Mar 17	Hamilton Ewan William	EVP & Chief Accounting…	SSELL	5,797	$56.18	$325.7K	-14.4%	Open the original filing on SEC.gov
Mar 16	Roclawski Cory Anne	EVP & CHRO	SSELL	10,852	$54.41	$590.5K	-25.7%	Open the original filing on SEC.gov
Mar 16	Hamilton Ewan William	EVP & Chief Accounting…	SSELL	2,091	$55.25	$115.5K	-5.0%	Open the original filing on SEC.gov
Mar 13	Hamilton Ewan William	EVP & Chief Accounting…	SSELL	4,830	$54.75	$264.4K	-10.3%	Open the original filing on SEC.gov
Mar 13	Hogan Randall J	Director	PBUY★	6,000	$54.81	$328.9K	+26.8%	Open the original filing on SEC.gov
Mar 13	Darden Alexander Newsom	Director	PBUY★	5,000	$54.75	$273.8K	—	Open the original filing on SEC.gov
Mar 12	Roclawski Cory Anne	EVP & CHRO	SSELL	21,161	$56.52	$1.2M	-33.4%	Open the original filing on SEC.gov
Mar 8	Lenamon William Chad	Executive Vice President…	FTAX	22,475	$55.89	$1.3M	-19.7%	Open the original filing on SEC.gov
Mar 8	Lenamon William Chad	Executive Vice President…	AGRANT	48,000	$55.89	$2.7M	+72.3%	Open the original filing on SEC.gov
Mar 8	Lenamon William Chad	Executive Vice President…	AGRANT	10,736	$55.89	$600K	+19.3%	Open the original filing on SEC.gov
Mar 8	McKee Robert Michael	President & CEO	FTAX	86,110	$55.89	$4.8M	-21.5%	Open the original filing on SEC.gov
Mar 8	McKee Robert Michael	President & CEO	AGRANT	180,000	$55.89	$10.1M	+81.9%	Open the original filing on SEC.gov
Mar 8	McKee Robert Michael	President & CEO	AGRANT	32,207	$55.89	$1.8M	+17.2%	Open the original filing on SEC.gov
Mar 8	Roclawski Cory Anne	EVP & CHRO	FTAX	13,731	$55.89	$767.4K	-17.8%	Open the original filing on SEC.gov
Mar 8	Roclawski Cory Anne	EVP & CHRO	AGRANT	7,157	$55.89	$400K	+10.2%	Open the original filing on SEC.gov
Mar 8	Roclawski Cory Anne	EVP & CHRO	AGRANT	27,000	$55.89	$1.5M	+62.8%	Open the original filing on SEC.gov
Mar 8	Howard Jennifer LeGrand	See Remarks	AGRANT	7,157	$55.89	$400K	+52.6%	Open the original filing on SEC.gov
Mar 8	Hamilton Ewan William	EVP & Chief Accounting…	FTAX	9,443	$55.89	$527.8K	-16.7%	Open the original filing on SEC.gov
Mar 8	Hamilton Ewan William	EVP & Chief Accounting…	AGRANT	18,000	$55.89	$1M	+46.7%	Open the original filing on SEC.gov
Mar 8	Hamilton Ewan William	EVP & Chief Accounting…	AGRANT	4,652	$55.89	$260K	+13.7%	Open the original filing on SEC.gov
Mar 8	Griggs John	Executive VP & CFO	FTAX	26,169	$55.89	$1.5M	-19.8%	Open the original filing on SEC.gov
Mar 8	Griggs John	Executive VP & CFO	AGRANT	54,000	$55.89	$3M	+69.1%	Open the original filing on SEC.gov
Mar 8	Griggs John	Executive VP & CFO	AGRANT	10,736	$55.89	$600K	+15.9%	Open the original filing on SEC.gov
Mar 8	Green Steven Lee	EVP & Chief Commercial…	AGRANT	7,157	$55.89	$400K	+50.5%	Open the original filing on SEC.gov
Mar 8	Buhigas Pedro R.	Chief Information…	FTAX	11,266	$55.89	$629.7K	-16.6%	Open the original filing on SEC.gov
Mar 8	Buhigas Pedro R.	Chief Information…	AGRANT	21,000	$55.89	$1.2M	+44.8%	Open the original filing on SEC.gov
Mar 8	Buhigas Pedro R.	Chief Information…	AGRANT	7,157	$55.89	$400K	+18.0%	Open the original filing on SEC.gov
Feb 20	McKee Robert Michael	President & CEO	PBUY★	433.48	$50.23	$21.8K	+0.2%	Open the original filing on SEC.gov
Jan 5	Lenamon William Chad	Executive Vice President…	FTAX	647	$36.54	$23.6K	-1.1%	Open the original filing on SEC.gov
Jan 5	Roclawski Cory Anne	EVP & CHRO	FTAX	974	$36.54	$35.6K	-2.2%	Open the original filing on SEC.gov
Jan 5	Hamilton Ewan William	EVP & Chief Accounting…	FTAX	974	$36.54	$35.6K	-2.8%	Open the original filing on SEC.gov
Jan 5	Griggs John	Executive VP & CFO	FTAX	1,217	$36.54	$44.5K	-1.8%	Open the original filing on SEC.gov
Jan 5	Buhigas Pedro R.	Chief Information…	FTAX	974	$36.54	$35.6K	-1.1%	Open the original filing on SEC.gov
Dec 8, 2025	Howard Jennifer LeGrand	EVP, Gen. Counsel &…	AGRANT	13,606	$36.75	$500K	—	Open the original filing on SEC.gov
Dec 1, 2025	Frontier TopCo Partnersh…	10% Owner	SSELL	9.8M	$34.37	$335.5M	-100.0%	Open the original filing on SEC.gov
Nov 12, 2025	Frontier TopCo Partnersh…	10% Owner	SSELL	10M	$33.32	$333.2M	-50.6%	Open the original filing on SEC.gov
Sep 8, 2025	Green Steven Lee	EVP & Chief Commercial…	AGRANT	14,157	—	—	—	Open the original filing on SEC.gov
Sep 8, 2025	Frontier TopCo Partnersh…	10% Owner	SSELL	10M	$34.21	$342.1M	-33.6%	Open the original filing on SEC.gov
Sep 2, 2025	Bullock William L. Jr.	Director	AGRANT	2,676	$35.79	$95.8K	—	Open the original filing on SEC.gov
Aug 11, 2025	Frontier TopCo Partnersh…	10% Owner	DTOISS	1.5M	$33.14	$50M	-4.8%	Open the original filing on SEC.gov
Jul 3, 2025	Lenamon William Chad	Executive Vice President…	FTAX↺	1,749	$33.81	$59.1K	-3.0%	Open the original filing on SEC.gov
Jul 3, 2025	McKee Robert Michael	President & CEO	FTAX↺	9,838	$33.81	$332.6K	-5.0%	Open the original filing on SEC.gov
Jul 3, 2025	Roclawski Cory Anne	EVP & CHRO	FTAX	2,706	$33.81	$91.5K	-5.8%	Open the original filing on SEC.gov
Jul 3, 2025	Hamilton Ewan William	EVP & Chief Accounting…	FTAX	2,214	$33.81	$74.9K	-6.0%	Open the original filing on SEC.gov
Jul 3, 2025	Griggs John	Executive VP & CFO	FTAX	3,772	$33.81	$127.5K	-5.2%	Open the original filing on SEC.gov
Jul 3, 2025	Battle Kelly Michelle	Executive Vice President…	FTAX	2,460	$33.81	$83.2K	-4.9%	Open the original filing on SEC.gov
May 12, 2025	Frontier TopCo Partnersh…	10% Owner	DTOISS	277,662	$36.02	$10M	-0.9%	Open the original filing on SEC.gov
May 12, 2025	Frontier TopCo Partnersh…	10% Owner	SSELL	3.2M	$36.02	$116.1M	-9.3%	Open the original filing on SEC.gov
Apr 23, 2025	Montana Margaret C	Director	AGRANT	4,512	—	—	+20.5%	Open the original filing on SEC.gov
Apr 23, 2025	Holloway Gretchen Lynn	Director	AGRANT	4,512	—	—	+30.3%	Open the original filing on SEC.gov
Apr 23, 2025	Hogan Randall J	Director	AGRANT	4,512	—	—	+25.2%	Open the original filing on SEC.gov
Apr 23, 2025	Duplantier Jon-Al	Director	AGRANT	4,512	—	—	+28.4%	Open the original filing on SEC.gov
Apr 23, 2025	Drumgoole Christopher	Director	AGRANT	4,512	—	—	+28.4%	Open the original filing on SEC.gov
Apr 23, 2025	Bonno Terry	Director	AGRANT	4,512	—	—	+16.2%	Open the original filing on SEC.gov

SSELL◷$213K

Buhigas Pedro R. · Chief Information…Sep 16

3,663 sh @ $58.14 · -10.2% own

SSELL◷$168.8K

Hamilton Ewan William · EVP & Chief…Sep 14

2,729 sh @ $61.85 · -9.3% own

SSELL◷$63.2K

Lenamon William Chad · Executive Vice…Sep 11

1,000 sh @ $63.21 · -1.2% own

FTAX$119.1K

Green Steven Lee · EVP & Chief…Sep 8

1,857 sh @ $64.14 · -8.6% own

SSELL◷$355.8K

McKee Robert Michael · President & CEOSep 1

5,999 sh @ $59.31 · -2.0% own

SSELL◷$374.8K

McKee Robert Michael · President & CEOAug 19

6,008 sh @ $62.39 · -2.0% own

SSELL◷$61.9K

Lenamon William Chad · Executive Vice…Aug 11

1,000 sh @ $61.93 · -1.1% own

SSELL◷$67.8K

Lenamon William Chad · Executive Vice…Jul 13

1,000 sh @ $67.79 · -1.1% own

SSELL◷$285K

Roclawski Cory Anne · EVP & CHROJul 8

4,169 sh @ $68.36 · -14.5% own

FTAX$173.8K

Lenamon William Chad · Executive Vice…Jul 6

2,624 sh @ $66.23 · -2.9% own

FTAX$179.2K

Roclawski Cory Anne · EVP & CHROJul 6

2,706 sh @ $66.23 · -8.6% own

FTAX$146.6K

Hamilton Ewan William · EVP & Chief…Jul 6

2,214 sh @ $66.23 · -7.0% own

FTAX$249.8K

Griggs John · Executive VP & CFOJul 6

3,771 sh @ $66.23 · -3.6% own

FTAX$157.5K

Buhigas Pedro R. · Chief Information…Jul 6

2,378 sh @ $66.23 · -6.2% own

FTAX$651.6K

McKee Robert Michael · President & CEOJul 3

9,838 sh @ $66.23 · -3.1% own

SSELL◷$313.5K

Buhigas Pedro R. · Chief Information…Jun 17

4,625 sh @ $67.78 · -10.7% own

SSELL◷$187.3K

Hamilton Ewan William · EVP & Chief…Jun 16

2,729 sh @ $68.62 · -8.0% own

SSELL◷$67.8K

Lenamon William Chad · Executive Vice…Jun 11

1,000 sh @ $67.79 · -1.1% own

AGRANT$150K

Montana Margaret C · DirectorMay 7

2,135 sh @ $70.27 · +8.1% own

AGRANT$150K

Holloway Gretchen Lynn · DirectorMay 7

2,135 sh @ $70.27 · +11.0% own

AGRANT$150K

Hogan Randall J · DirectorMay 7

2,135 sh @ $70.27 · +7.5% own

AGRANT$150K

Duplantier Jon-Al · DirectorMay 7

2,135 sh @ $70.27 · +10.5% own

AGRANT$150K

Drumgoole Christopher · DirectorMay 7

2,135 sh @ $70.27 · +10.5% own

AGRANT$150K

Darden Alexander Newsom · DirectorMay 7

2,135 sh @ $70.27 · +42.7% own

AGRANT$150K

Bullock William L. Jr. · DirectorMay 7

2,135 sh @ $70.27 · +79.8% own

AGRANT$150K

Bonno Terry · DirectorMay 7

2,135 sh @ $70.27 · +6.6% own

SSELL◷$777K

Buhigas Pedro R. · Chief Information…Mar 19

13,942 sh @ $55.73 · -24.6% own

SSELL$325.7K

Hamilton Ewan William · EVP & Chief…Mar 17

5,797 sh @ $56.18 · -14.4% own

SSELL$590.5K

Roclawski Cory Anne · EVP & CHROMar 16

10,852 sh @ $54.41 · -25.7% own

SSELL$115.5K

Hamilton Ewan William · EVP & Chief…Mar 16

2,091 sh @ $55.25 · -5.0% own

SSELL$264.4K

Hamilton Ewan William · EVP & Chief…Mar 13

4,830 sh @ $54.75 · -10.3% own

PBUY★$328.9K

Hogan Randall J · DirectorMar 13

6,000 sh @ $54.81 · +26.8% own

PBUY★$273.8K

Darden Alexander Newsom · DirectorMar 13

5,000 sh @ $54.75

SSELL$1.2M

Roclawski Cory Anne · EVP & CHROMar 12

21,161 sh @ $56.52 · -33.4% own

FTAX$1.3M

Lenamon William Chad · Executive Vice…Mar 8

22,475 sh @ $55.89 · -19.7% own

AGRANT$2.7M

Lenamon William Chad · Executive Vice…Mar 8

48,000 sh @ $55.89 · +72.3% own

AGRANT$600K

Lenamon William Chad · Executive Vice…Mar 8

10,736 sh @ $55.89 · +19.3% own

FTAX$4.8M

McKee Robert Michael · President & CEOMar 8

86,110 sh @ $55.89 · -21.5% own

AGRANT$10.1M

McKee Robert Michael · President & CEOMar 8

180,000 sh @ $55.89 · +81.9% own

AGRANT$1.8M

McKee Robert Michael · President & CEOMar 8

32,207 sh @ $55.89 · +17.2% own

FTAX$767.4K

Roclawski Cory Anne · EVP & CHROMar 8

13,731 sh @ $55.89 · -17.8% own

AGRANT$400K

Roclawski Cory Anne · EVP & CHROMar 8

7,157 sh @ $55.89 · +10.2% own

AGRANT$1.5M

Roclawski Cory Anne · EVP & CHROMar 8

27,000 sh @ $55.89 · +62.8% own

AGRANT$400K

Howard Jennifer LeGrand · See RemarksMar 8

7,157 sh @ $55.89 · +52.6% own

FTAX$527.8K

Hamilton Ewan William · EVP & Chief…Mar 8

9,443 sh @ $55.89 · -16.7% own

AGRANT$1M

Hamilton Ewan William · EVP & Chief…Mar 8

18,000 sh @ $55.89 · +46.7% own

AGRANT$260K

Hamilton Ewan William · EVP & Chief…Mar 8

4,652 sh @ $55.89 · +13.7% own

FTAX$1.5M

Griggs John · Executive VP & CFOMar 8

26,169 sh @ $55.89 · -19.8% own

AGRANT$3M

Griggs John · Executive VP & CFOMar 8

54,000 sh @ $55.89 · +69.1% own

AGRANT$600K

Griggs John · Executive VP & CFOMar 8

10,736 sh @ $55.89 · +15.9% own

AGRANT$400K

Green Steven Lee · EVP & Chief…Mar 8

7,157 sh @ $55.89 · +50.5% own

FTAX$629.7K

Buhigas Pedro R. · Chief Information…Mar 8

11,266 sh @ $55.89 · -16.6% own

AGRANT$1.2M

Buhigas Pedro R. · Chief Information…Mar 8

21,000 sh @ $55.89 · +44.8% own

AGRANT$400K

Buhigas Pedro R. · Chief Information…Mar 8

7,157 sh @ $55.89 · +18.0% own

PBUY★$21.8K

McKee Robert Michael · President & CEOFeb 20

433.48 sh @ $50.23 · +0.2% own

FTAX$23.6K

Lenamon William Chad · Executive Vice…Jan 5

647 sh @ $36.54 · -1.1% own

FTAX$35.6K

Roclawski Cory Anne · EVP & CHROJan 5

974 sh @ $36.54 · -2.2% own

FTAX$35.6K

Hamilton Ewan William · EVP & Chief…Jan 5

974 sh @ $36.54 · -2.8% own

FTAX$44.5K

Griggs John · Executive VP & CFOJan 5

1,217 sh @ $36.54 · -1.8% own

FTAX$35.6K

Buhigas Pedro R. · Chief Information…Jan 5

974 sh @ $36.54 · -1.1% own

AGRANT$500K

Howard Jennifer LeGrand · EVP, Gen. Counsel…Dec 8, 2025

13,606 sh @ $36.75

SSELL$335.5M

Frontier TopCo Partnersh… · 10% OwnerDec 1, 2025

9.8M sh @ $34.37 · -100.0% own

SSELL$333.2M

Frontier TopCo Partnersh… · 10% OwnerNov 12, 2025

10M sh @ $33.32 · -50.6% own

AGRANT—

Green Steven Lee · EVP & Chief…Sep 8, 2025

14,157 sh

SSELL$342.1M

Frontier TopCo Partnersh… · 10% OwnerSep 8, 2025

10M sh @ $34.21 · -33.6% own

AGRANT$95.8K

Bullock William L. Jr. · DirectorSep 2, 2025

2,676 sh @ $35.79

DTOISS$50M

Frontier TopCo Partnersh… · 10% OwnerAug 11, 2025

1.5M sh @ $33.14 · -4.8% own

FTAX↺$59.1K

Lenamon William Chad · Executive Vice…Jul 3, 2025

1,749 sh @ $33.81 · -3.0% own

FTAX↺$332.6K

McKee Robert Michael · President & CEOJul 3, 2025

9,838 sh @ $33.81 · -5.0% own

FTAX$91.5K

Roclawski Cory Anne · EVP & CHROJul 3, 2025

2,706 sh @ $33.81 · -5.8% own

FTAX$74.9K

Hamilton Ewan William · EVP & Chief…Jul 3, 2025

2,214 sh @ $33.81 · -6.0% own

FTAX$127.5K

Griggs John · Executive VP & CFOJul 3, 2025

3,772 sh @ $33.81 · -5.2% own

FTAX$83.2K

Battle Kelly Michelle · Executive Vice…Jul 3, 2025

2,460 sh @ $33.81 · -4.9% own

DTOISS$10M

Frontier TopCo Partnersh… · 10% OwnerMay 12, 2025

277,662 sh @ $36.02 · -0.9% own

SSELL$116.1M

Frontier TopCo Partnersh… · 10% OwnerMay 12, 2025

3.2M sh @ $36.02 · -9.3% own

AGRANT—

Montana Margaret C · DirectorApr 23, 2025

4,512 sh · +20.5% own

AGRANT—

Holloway Gretchen Lynn · DirectorApr 23, 2025

4,512 sh · +30.3% own

AGRANT—

Hogan Randall J · DirectorApr 23, 2025

4,512 sh · +25.2% own

AGRANT—

Duplantier Jon-Al · DirectorApr 23, 2025

4,512 sh · +28.4% own

AGRANT—

Drumgoole Christopher · DirectorApr 23, 2025

4,512 sh · +28.4% own

AGRANT—

Bonno Terry · DirectorApr 23, 2025

4,512 sh · +16.2% own

Filing record

How quickly insiders here report their trades. Section 16 allows two business days from the transaction.

All 60 filings we hold were filed within the two-business-day deadline.

Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings

Insiders at this company

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