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GPI SCHEDULE 13D/A: Activist campaign

Filed with the SEC on · accession 0000905148-26-004293

GPI filed a SCHEDULE 13D/A (schedule 13d/a) with the SEC on Sep 29, 2026. Acacia Partners, L.P. and Acacia Conservation Fund, LP, investment vehicles managed by a Reporting Person, purchased a total of 328,408 shares of Group 1 Automotive Inc. common stock in open market transactions between September 24 and September 29, 2026, at prices ranging from approximately… The stock moved -0.5% by the first close after the filing.

Summary of the filing

Acacia Partners, L.P. and Acacia Conservation Fund, LP, investment vehicles managed by a Reporting Person, purchased a total of 328,408 shares of Group 1 Automotive Inc. common stock in open market transactions between September 24 and September 29, 2026, at prices ranging from approximately $235.11 to $253.85 per share.

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Key details

Total shares purchased by Acacia Partners, L.P.$296K
Total shares purchased by Acacia Conservation Fund, LP$32K
Total shares purchased by both entities$328K
Reporting person / purchaserAcacia Partners, L.P.
Reporting person / purchaserAcacia Conservation Fund, LP
IssuerGroup 1 Automotive Inc.

How GPI stock reacted

Close before

$242.23

Sep 28, 2026

First close after

-0.54%

$240.93

5 trading days

-0.33%

$241.44

Since filing

+7.89%

$261.35

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Frequently asked questions

What did GPI file with the SEC on Sep 29, 2026?

GPI filed a SCHEDULE 13D/A (Activist campaign). Acacia Partners, L.P. and Acacia Conservation Fund, LP, investment vehicles managed by a Reporting Person, purchased a total of 328,408 shares of Group 1 Automotive Inc. common stock in open market transactions between September 24 and September 29, 2026, at prices ranging from approximately $235.11 to $253.85 per share.

What does a activist campaign mean for GPI stock?

A settlement removes uncertainty; the stock often reacts to whether the amount is bigger or smaller than investors expected.

How do I read a SCHEDULE 13D/A?

A report the company filed with the SEC (the US market regulator). Start with the summary, then the key amounts and names. Compare it with the company’s earlier filings.

Why are SEC filings important?

Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A SCHEDULE 13D/A (schedule 13d/a): A report the company filed with the SEC (the US market regulator).

How did GPI stock react to this filing?

GPI closed at $242.23 before the filing and $240.93 on Sep 29, 2026 (-0.54%). Five trading days later: $241.44 (-0.33%).

Other GPI SEC filings

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