GROUP 1 AUTOMOTIVE INC (GPI) insider trading
GROUP 1 AUTOMOTIVE INC insiders have made 4 open-market purchases worth $139M since Sep 21, 2026, by 1 insider. The latest: Conifer Management, L.L.C. (10% owner) bought $24.2M, filed Oct 27, 2026, scored 26 out of 100. The biggest: $66.3M by Conifer Management, L.L.C., filed Oct 1, 2026.
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Insider purchases
| Filed | Insider | Stake | Score | Bought | 1 week | 1 month |
|---|---|---|---|---|---|---|
| Oct 27 Form 4 (opens sec.gov) |
Conifer Management, L.L.C.10% owner10% owner · Near 52-week low | +5% stake | 26 | $24.2M 100,000 at $242.32 |
waiting | waiting |
| Oct 1 Form 4 (opens sec.gov) |
Conifer Management, L.L.C.10% owner10% owner · Near 52-week low | +17% stake | 31 | $66.3M 273,712 at $242.15 |
−7.8% | waiting |
| Sep 28 Form 4 (opens sec.gov) |
Conifer Management, L.L.C.10% owner10% owner · Near 52-week low | +8% stake | 26 | $31.5M 126,288 at $249.62 |
−1.6% | +7.9% |
| Sep 21 Form 4 (opens sec.gov) |
Conifer Management, L.L.C.10% owner10% owner · Near 52-week low | +5% stake | 26 | $16.9M 65,650 at $256.78 |
−5.1% | −4.3% |
Track record (hypothetical): a week after the filing, these buys averaged −4.8% (0% up, 3 measured); a month after, +1.8% (50% up, 2 measured).
Insider sales
2 open-market sales on record
| Filed | Insider | Sold |
|---|---|---|
| Oct 30 Form 4 (opens sec.gov) |
Steven MizellDirector | $143k 550 at $260.52 · 94% of holdings |
| Oct 29 Form 4 (opens sec.gov) |
Gillian A. HobsonChief Legal Officer | $516k 2,000 at $258.24 · 21% of holdings |
Most insider sales are planned in advance or made for personal reasons, so a sale says less than a buy.
Investors with more than 5% of GPI (13D and 13G)
| Filed | Investor | Kind | Stake |
|---|---|---|---|
| Oct 27 13D/A | Conifer Management, L.L.C. | Activist | 16.9% |
A 13D is filed by an investor who may push for change; a 13G by a passive one.
Planned insider sales of GPI (Form 144)
| Filed | Insider | To sell |
|---|---|---|
| Oct 30 Form 144 | Steven MizellOfficer · no trading plan named | $143k 550 shares from Oct 30 |
| Oct 29 Form 144 | Gillian HobsonOfficer · no trading plan named | $210k 811 shares from Oct 29 |
| Oct 29 Form 144 | Hobson Gillian A.Officer · no trading plan named | $307k 1,189 shares from Oct 29 |
A Form 144 is filed before an insider sells restricted or control shares; the Form 4 reports the sale once made.
Insiders who bought GPI
- Conifer Management, L.L.C. 10% owner
Questions
Are insiders buying GPI stock?
Yes. In the last 90 days, 4 open-market purchases were filed, worth $139M, against $660k of open-market sales.
Who bought GPI stock most recently?
Conifer Management, L.L.C., 10% owner, bought 100,000 shares for $24.2M (Form 4 (opens sec.gov), filed Oct 27, 2026).
How does InsiderBeacon score an insider buy?
Out of 100, from who bought, how much their stake grew, the size of the trade, whether other insiders bought within ten days, where the price sat in its 52-week range, and whether it was a first or a routine buy. The score is fixed when the filing arrives. The formula and the research behind it.
Insiders are also buying, same industry
Data as of Oct 30, 2026, from SEC EDGAR Form 4 filings: open-market purchases (code P) of $25,000 or more, and open-market sales. Every row links to its filing. Scores summarise what a filing says (how the score works); outcomes are hypothetical, from the first close after the filing, and past results don't predict future ones. Disclaimer