Top insider buys: Sep 7 – Sep 13, 2026

The largest open-market purchases company insiders reported on SEC Form 4 between Sep 7 – Sep 13, 2026.

Week 37, 2026

#CompanyWho boughtSharesValueSource
1GME

GameStop Corp.

4 officers/directors

Cluster buy

Attal Alain, Cohen Ryan, Grube James, Cheng Lawrence

1,070,255

$21.7M

SEC filings
2UBER

Uber Technologies, Inc

2 officers/directors

Cluster buy

KHOSROWSHAHI DARA, Macdonald Andrew

211,000

$15.3M

SEC filings
3INBX

Inhibrx Biosciences, Inc.

3 officers/directors

Cluster buy

Kayyem Jon Faiz, FORSYTH DOUGLAS, Lappe Mark

32,500

$3.5M

SEC filings
4PRTS

CarParts.com, Inc.

2 officers/directors

Cluster buy

Huffaker Michael, Meniane David

185,497

$1.8M

SEC filings
5RLMD

RELMADA THERAPEUTICS, INC.

2 officers/directors

Cluster buy

Shenouda Maged, TRAVERSA SERGIO

400,000

$1.7M

SEC filings
6KMT

KENNAMETAL INC

2 officers/directors

Cluster buy

Chowbey Sanjay, HARSHMAN RICHARD J

12,000

$355K

SEC filings
7RSG

REPUBLIC SERVICES, INC.

10% Owner

CASCADE INVESTMENT, L.L.C.

1,456,107

$324.3M

SEC filings
8GPI

GROUP 1 AUTOMOTIVE INC

10% Owner

Conifer Management, L.L.C.

224,280

$64.3M

SEC filings
9PAMT

PAMT CORP

Director

MOROUN MATTHEW T

3,268,000

$31.2M

SEC filings
10QVCG

QVC Group, Inc.

10% Owner

GOLDENTREE ASSET MANAGEMENT LP

1,600,000

$26.0M

SEC filings

Source: SEC Form 4 filings, aggregated per company over the week. Open-market purchases of $100K or more only; grants, awards, option exercises and likely IPO or offering allocations are excluded. Cluster buys (two or more officers or directors buying) rank first, then by dollar value.

Not investment advice. This page reports public SEC data and is not a recommendation to buy or sell any security.