Are insiders buying CAT stock?

Yes — 3 distinct insiders have bought CAT (CATERPILLAR INC) on the open market, including 2 cluster buys where two or more insiders bought within a rolling window. The most recent qualifying activity was Nov 3, 2026.

How much CAT stock have insiders bought?

Insiders have bought a combined $1.5M of CAT across 10 open-market purchases, based on SEC Form 4 filings.

What is an insider cluster buy in CAT?

A cluster buy is two or more distinct CATERPILLAR INC insiders — officers, directors, or 10% owners — each buying CAT on the open market within a rolling window. CAT has 2 detected cluster buys to date.

Where does this CAT insider trading data come from?

Every figure is parsed directly from SEC Form 4 filings on EDGAR, and each purchase on this page links back to its original filing document.

CAT insider buying

2 cluster buys

CATERPILLAR INC

When two or more insiders at CATERPILLAR INC buy CAT in a qualifying detection window, the grouped purchases provide a starting point for further research. Below is every cluster we've detected in CAT plus the full record of qualifying open-market buys, each parsed directly from Form 4 filings and linked back to the source on SEC EDGAR.

Clusters

Distinct insiders

Total bought

$1.5M

Market cap

$446.7B

Detected clusters

Dec 4, 2024 – May 7, 2025
Detected May 7, 2025
2 insiders
Total bought
$228.5K
Market cap
$446.7B
May 3 – May 20, 2024
Detected May 20, 2024
2 insiders
Total bought
$204.3K
Market cap
$446.7B

All notable open-market buys in CAT

Every open-market Form 4 purchase, newest first. Click an insider to see their full buying record across companies.

Date	Insider	Shares	Price	Value	Filing
Nov 2, 2026	Fish James C Jr Director	1,000	$620.39	$620.4K	SEC ↗
May 4, 2026	MacLennan David Director	250	$876.84	$219.2K	SEC ↗
Nov 6, 2025	MacLennan David Director	300	$568.86	$170.7K	SEC ↗
May 7, 2025	MacLennan Davidcluster Director	375	$320.70	$120.3K	SEC ↗
May 2, 2025	Johnson Geraldcluster Director	100	$318.48	$31.8K	SEC ↗
Feb 4, 2025	Johnson Geraldcluster Director	100	$365.57	$36.6K	SEC ↗
Dec 4, 2024	Johnson Geraldcluster Director	100	$398.57	$39.9K	SEC ↗
Sep 4, 2024	Johnson Gerald Director	100	$338.59	$33.9K	SEC ↗
May 20, 2024	Johnson Geraldcluster Director	100	$356.40	$35.6K	SEC ↗
May 3, 2024	MacLennan Davidcluster Director	500	$337.39	$168.7K	SEC ↗

CAT insider buying — FAQ

Are insiders buying CAT stock?: Yes — 3 distinct insiders have bought CAT (CATERPILLAR INC) on the open market, including 2 cluster buys where two or more insiders bought within a rolling window. The most recent qualifying activity was Nov 3, 2026.
How much CAT stock have insiders bought?: Insiders have bought a combined $1.5M of CAT across 10 open-market purchases, based on SEC Form 4 filings.
What is an insider cluster buy in CAT?: A cluster buy is two or more distinct CATERPILLAR INC insiders — officers, directors, or 10% owners — each buying CAT on the open market within a rolling window. CAT has 2 detected cluster buys to date.
Where does this CAT insider trading data come from?: Every figure is parsed directly from SEC Form 4 filings on EDGAR, and each purchase on this page links back to its original filing document.

How we track insider buying in CAT

We continuously poll SEC EDGAR for new Form 4 filings and parse every open-market purchase (transaction code P). A cluster is recorded when two or more distinct insiders — officers, directors, or 10% owners — each buy CAT within a rolling window. We track clusters at every company size, from micro-caps to mega-caps. Transactions link to official filings; prices and market capitalizations may be cached market data. Read our methodology and data limits before interpreting the figures. What counts as a cluster buy?

This page is informational and reflects public filing data. It is not investment advice or a recommendation regarding CAT.