About this data
What it is
When a company's officers, directors or owners of more than 10% buy or sell its stock, they must report the trade to the SEC on Form 4. This feed shows purchases and sales on the open market; stock grants, option exercises and shares withheld for tax are left out.
Who files it
The insider, usually through the company, within two business days of the trade.
How current
We collect new filings throughout the day on SEC business days.
Worth knowing
Sales are often routine: insiders sell to diversify, to pay taxes, or under a 10b5-1 plan set up months in advance. A purchase with their own money is less common, which is why many investors pay closer attention to it.

All of this comes from public filings.

Open-market trades per day, last 30 days

05001,000Oct 17 · Purchases: 0Oct 17 · Sales: 0Oct 17Oct 18 · Purchases: 0Oct 18 · Sales: 0Oct 19 · Purchases: 29Oct 19 · Sales: 159Oct 20 · Purchases: 45Oct 20 · Sales: 209Oct 21 · Purchases: 38Oct 21 · Sales: 183Oct 21Oct 22 · Purchases: 50Oct 22 · Sales: 130Oct 23 · Purchases: 77Oct 23 · Sales: 126Oct 24 · Purchases: 1Oct 24 · Sales: 0Oct 25 · Purchases: 0Oct 25 · Sales: 0Oct 25Oct 26 · Purchases: 60Oct 26 · Sales: 171Oct 27 · Purchases: 27Oct 27 · Sales: 217Oct 28 · Purchases: 44Oct 28 · Sales: 135Oct 29 · Purchases: 35Oct 29 · Sales: 199Oct 29Oct 30 · Purchases: 68Oct 30 · Sales: 270Oct 31 · Purchases: 3Oct 31 · Sales: 0Nov 1 · Purchases: 2Nov 1 · Sales: 0Nov 2 · Purchases: 79Nov 2 · Sales: 826Nov 2Nov 3 · Purchases: 66Nov 3 · Sales: 337Nov 4 · Purchases: 67Nov 4 · Sales: 535Nov 5 · Purchases: 108Nov 5 · Sales: 458Nov 6 · Purchases: 137Nov 6 · Sales: 390Nov 6Nov 7 · Purchases: 0Nov 7 · Sales: 0Nov 8 · Purchases: 0Nov 8 · Sales: 0Nov 9 · Purchases: 110Nov 9 · Sales: 457Nov 10 · Purchases: 97Nov 10 · Sales: 406Nov 10Nov 11 · Purchases: 98Nov 11 · Sales: 330Nov 12 · Purchases: 54Nov 12 · Sales: 167Nov 13 · Purchases: 23Nov 13 · Sales: 28Nov 14 · Purchases: 0Nov 14 · Sales: 0Nov 14Nov 15 · Purchases: 0Nov 15 · Sales: 0
05001,000Oct 17 · Purchases: 0Oct 17 · Sales: 0Oct 17Oct 18 · Purchases: 0Oct 18 · Sales: 0Oct 19 · Purchases: 29Oct 19 · Sales: 159Oct 20 · Purchases: 45Oct 20 · Sales: 209Oct 21 · Purchases: 38Oct 21 · Sales: 183Oct 21Oct 22 · Purchases: 50Oct 22 · Sales: 130Oct 23 · Purchases: 77Oct 23 · Sales: 126Oct 24 · Purchases: 1Oct 24 · Sales: 0Oct 25 · Purchases: 0Oct 25 · Sales: 0Oct 25Oct 26 · Purchases: 60Oct 26 · Sales: 171Oct 27 · Purchases: 27Oct 27 · Sales: 217Oct 28 · Purchases: 44Oct 28 · Sales: 135Oct 29 · Purchases: 35Oct 29 · Sales: 199Oct 29Oct 30 · Purchases: 68Oct 30 · Sales: 270Oct 31 · Purchases: 3Oct 31 · Sales: 0Nov 1 · Purchases: 2Nov 1 · Sales: 0Nov 2 · Purchases: 79Nov 2 · Sales: 826Nov 2Nov 3 · Purchases: 66Nov 3 · Sales: 337Nov 4 · Purchases: 67Nov 4 · Sales: 535Nov 5 · Purchases: 108Nov 5 · Sales: 458Nov 6 · Purchases: 137Nov 6 · Sales: 390Nov 6Nov 7 · Purchases: 0Nov 7 · Sales: 0Nov 8 · Purchases: 0Nov 8 · Sales: 0Nov 9 · Purchases: 110Nov 9 · Sales: 457Nov 10 · Purchases: 97Nov 10 · Sales: 406Nov 10Nov 11 · Purchases: 98Nov 11 · Sales: 330Nov 12 · Purchases: 54Nov 12 · Sales: 167Nov 13 · Purchases: 23Nov 13 · Sales: 28Nov 14 · Purchases: 0Nov 14 · Sales: 0Nov 14Nov 15 · Purchases: 0Nov 15 · Sales: 0

Purchases Sales

By trade date. Insiders have two business days to file, so the most recent days fill in later.

Latest open-market insider trades

Reset

Showing: ticker KGS

Latest open-market insider trades
TradedInsiderCompanyTypeSharesPriceValueFiling
Nov 12, 2026Gretchen Lynn Holloway
Director
KGS
Kodiak Gas Services, Inc.
Buy1,145$43.63$50.0K BuyForm 4 ↗
Nov 11, 2026Alexander Newsom Darden
Director
KGS
Kodiak Gas Services, Inc.
Buy10,000$44.99$449.9K BuyForm 4 ↗
Nov 11, 2026William Chad Lenamon
Executive Vice President & COO
KGS
Kodiak Gas Services, Inc.
Sale1,000$44.20$44.2K SaleForm 4 ↗
Nov 11, 2026Margaret C. Montana
Director
KGS
Kodiak Gas Services, Inc.
Buy1,000$44.26$44.3K BuyForm 4 ↗
Nov 3, 2026Robert Michael McKee
President & CEO, Director
KGS
Kodiak Gas Services, Inc.
Sale2,666$45.55$121.4K SaleForm 4 ↗
Sep 16, 2026Pedro R. Buhigas
Chief Information Officer
KGS
Kodiak Gas Services, Inc.
Sale3,663$58.14$213.0K SaleForm 4 ↗
Sep 14, 2026Ewan William Hamilton
EVP & Chief Accounting Officer
KGS
Kodiak Gas Services, Inc.
Sale2,729$61.85$168.8K SaleForm 4 ↗
Sep 11, 2026William Chad Lenamon
Executive Vice President & COO
KGS
Kodiak Gas Services, Inc.
Sale1,000$63.21$63.2K SaleForm 4 ↗
Sep 1, 2026Robert Michael McKee
President & CEO, Director
KGS
Kodiak Gas Services, Inc.
Sale5,999$59.31$355.8K SaleForm 4 ↗
Aug 19, 2026Robert Michael McKee
President & CEO, Director
KGS
Kodiak Gas Services, Inc.
Sale6,008$62.39$374.8K SaleForm 4 ↗
Aug 11, 2026William Chad Lenamon
Executive Vice President & COO
KGS
Kodiak Gas Services, Inc.
Sale1,000$61.93$61.9K SaleForm 4 ↗
Jul 13, 2026William Chad Lenamon
Executive Vice President & COO
KGS
Kodiak Gas Services, Inc.
Sale1,000$67.79$67.8K SaleForm 4 ↗
Jul 8, 2026Cory Anne Roclawski
EVP & CHRO
KGS
Kodiak Gas Services, Inc.
Sale4,169$68.36$285.0K SaleForm 4 ↗
Jun 17, 2026Pedro R. Buhigas
Chief Information Officer
KGS
Kodiak Gas Services, Inc.
Sale4,625$67.78$313.5K SaleForm 4 ↗
Jun 16, 2026Ewan William Hamilton
EVP & Chief Accounting Officer
KGS
Kodiak Gas Services, Inc.
Sale2,729$68.62$187.3K SaleForm 4 ↗
Jun 11, 2026William Chad Lenamon
Executive Vice President & COO
KGS
Kodiak Gas Services, Inc.
Sale1,000$67.79$67.8K SaleForm 4 ↗
Mar 19, 2026Pedro R. Buhigas
Chief Information Officer
KGS
Kodiak Gas Services, Inc.
Sale13,942$55.73$777.0K SaleForm 4 ↗
Mar 17, 2026Ewan William Hamilton
EVP & Chief Accounting Officer
KGS
Kodiak Gas Services, Inc.
Sale5,797$56.18$325.7K SaleForm 4 ↗
Mar 16, 2026Cory Anne Roclawski
EVP & CHRO
KGS
Kodiak Gas Services, Inc.
Sale10,852$54.41$590.5K SaleForm 4 ↗
Mar 16, 2026Ewan William Hamilton
EVP & Chief Accounting Officer
KGS
Kodiak Gas Services, Inc.
Sale2,091$55.25$115.5K SaleForm 4 ↗
Mar 13, 2026Ewan William Hamilton
EVP & Chief Accounting Officer
KGS
Kodiak Gas Services, Inc.
Sale4,830$54.75$264.4K SaleForm 4 ↗
Mar 13, 2026Alexander Newsom Darden
Director
KGS
Kodiak Gas Services, Inc.
Buy5,000$54.75$273.8K BuyForm 4 ↗
Mar 13, 2026Randall J. Hogan
Director
KGS
Kodiak Gas Services, Inc.
Buy6,000$54.81$328.9K BuyForm 4 ↗
Mar 12, 2026Cory Anne Roclawski
EVP & CHRO
KGS
Kodiak Gas Services, Inc.
Sale21,161$56.52$1.2M SaleForm 4 ↗
Feb 20, 2026Robert Michael McKee
President & CEO, Director
KGS
Kodiak Gas Services, Inc.
Buy433$50.23$21.8K BuyForm 4 ↗
Dec 1, 2025EQT Fund Management S.a r.l.
10% owner
KGS
Kodiak Gas Services, Inc.
Sale9.76M$34.37$335.5M SaleForm 4 ↗
Nov 12, 2025EQT Fund Management S.a r.l.
10% owner
KGS
Kodiak Gas Services, Inc.
Sale10.00M$33.32$333.2M SaleForm 4 ↗
Sep 8, 2025EQT Fund Management S.a r.l.
10% owner
KGS
Kodiak Gas Services, Inc.
Sale10.00M$34.21$342.1M SaleForm 4 ↗
May 12, 2025Frontier Topco GP, LLC
10% owner
KGS
Kodiak Gas Services, Inc.
Sale3.22M$36.02$116.1M SaleForm 4 ↗
Jan 30, 2025EQT Fund Management S.a r.l.
10% owner
KGS
Kodiak Gas Services, Inc.
Sale3.73M$47.50$177.1M SaleForm 4 ↗
Dec 12, 2024EQT Fund Management S.a r.l.
10% owner
KGS
Kodiak Gas Services, Inc.
Sale5.50M$42.09$231.5M SaleForm 4 ↗
Nov 21, 2024Ewan William Hamilton
See Remarks
KGS
Kodiak Gas Services, Inc.
Sale3,000$40.45$121.3K SaleForm 4 ↗
Nov 14, 2024Frontier TopCo Partnership, L.P.
10% owner
KGS
Kodiak Gas Services, Inc.
Sale6.57M$33.21$218.0M SaleForm 4 ↗

33 items, most recent first (up to 50). Every row links to its original filing. Updated Nov 15, 2026, 5:44 PM EST.

Download CSV The rows of this feed, with the filters above. A download holds at most 10,000 rows; narrow the filters to get a smaller slice.

Other feeds: Congressional trades · Executive-branch trades · Bills in Congress · Roll-call votes · Corporate PAC donations · Lobbying · Capitol Hires · Lobbying and contracts · Government contracts · Planned insider sales · Executive pay · Ownership stakes (13D / 13G) · Institutional holdings (13F) · Short interest · Fails to deliver · Daily short volume · Wikipedia page views · App store ratings · H-1B visa applications · Stock splits · 8-K events · IPO filings · Deals · Private placements (Form D) · Merger clearances (HSR) · Layoff notices (WARN) · SEC enforcement · Patents · Clinical trial updates · FDA approvals and clearances