Who are the insiders buying GROUP 1 AUTOMOTIVE INC stock?

InsiderAct tracks all open-market purchases of GROUP 1 AUTOMOTIVE INC stock by corporate insiders — including officers, directors, and shareholders owning more than 10% — sourced from public SEC Form 4 filings.

What does insider buying at a company mean?

When a corporate officer, director, or major shareholder purchases their own company's stock on the open market using personal funds, it signals confidence in the company's outlook. This is especially meaningful when multiple insiders buy within the same 7–14 day window (cluster buying) or when the purchase size exceeds $100,000.

How do I find cluster buying signals for a company?

InsiderAct automatically detects cluster buying — two or more insiders independently purchasing shares within a 14-day window. When a cluster buy signal is active for a company, it appears prominently on the company's InsiderAct page and on the Signals tab.

Has GROUP 1 AUTOMOTIVE INC had any recent large insider purchases?

InsiderAct tracks all open-market purchases of $100,000 or more at GROUP 1 AUTOMOTIVE INC. Large insider purchases are flagged as high-conviction signals because they represent meaningful personal capital commitments by executives or directors who have direct visibility into the company's operations and prospects.

Where do the insider transactions on this page come from?

All transactions shown on InsiderAct company pages are sourced directly from SEC EDGAR Form 4 filings — the mandatory public disclosures that corporate insiders must submit within 2 business days of any stock transaction. InsiderAct ingests these filings in near real time and filters for open-market purchases and sales.

GPI

Group 1 Automotive Inc

$242.22+2.42 (1.01%)

Price

MA20

▲Insider buy

▼Insider sell

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Insider Activity

98 of 136 trades

Executives investing their own money

38+ more trades

10% OwnerPurchase

$57.03K

200 shares @ $285.14

								1WStock price change 1 week after insider bought. Small number below shows return vs S&P 500.	1MStock price change 1 month after insider bought.
2026-10-01	2026-09-29	Conifer Management, L.L.C.	10% Owner	Purchase	980	$242.93	$238,067	-2.5%	N/A
2026-10-01	2026-09-29	Conifer Management, L.L.C.	10% Owner	Purchase	160	$244.83	$39,173	-3.2%	N/A
2026-10-01	2026-09-30	Conifer Management, L.L.C.	10% Owner	Purchase	5,352	$242.65	$1,298,668	-4.1%	N/A
2026-10-01	2026-09-29	Conifer Management, L.L.C.	10% Owner	Purchase	320	$243.86	$78,035	-2.8%	N/A
2026-10-01	2026-09-28	Conifer Management, L.L.C.	10% Owner	Purchase	1,672	$240.83	$402,666	+0.3%	N/A
2026-10-01	2026-09-29	Conifer Management, L.L.C.	10% Owner	Purchase	3,292	$237.84	$782,963	-0.4%	N/A
2026-10-01	2026-09-29	Conifer Management, L.L.C.	10% Owner	Purchase	12,942	$236.48	$3,060,537	+0.2%	N/A
2026-10-01	2026-09-29	Conifer Management, L.L.C.	10% Owner	Purchase	2,821	$235.63	$664,724	+0.6%	N/A
2026-10-01	2026-09-28	Conifer Management, L.L.C.	10% Owner	Purchase	2,571	$246.19	$632,954	-1.9%	N/A
2026-10-01	2026-09-30	Conifer Management, L.L.C.	10% Owner	Purchase	1,040	$245.10	$254,904	-5.1%	N/A

GPI

Insider Activity

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