Are insiders buying LMB stock?

Yes — 5 distinct insiders have bought LMB (Limbach Holdings, 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 Aug 13, 2025.

How much LMB stock have insiders bought?

Insiders have bought a combined $505.3K of LMB across 8 open-market purchases, based on SEC Form 4 filings.

What is an insider cluster buy in LMB?

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

Where does this LMB 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.

LMB insider buying

2 cluster buys

Limbach Holdings, Inc. · Industrials

When two or more insiders at Limbach Holdings, Inc. buy LMB on the open market around the same time, that clustered conviction is one of the highest-signal patterns in SEC filing data. Below is every cluster we've detected in LMB 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

$505.3K

Market cap

$952.6M

Detected clusters

Sep 5 – Dec 10, 2024
Detected Dec 10, 2024
2 insiders
Total bought
$207.5K
Market cap
$952.6M
May 17 – May 21, 2024
Detected May 21, 2024
High conviction2 insiders
Total bought
$149.4K
Market cap
$952.6M

All notable open-market buys in LMB

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
Aug 12, 2025	Gaboury David Richard Director	1,400	$106.00	$148.4K	SEC ↗
Dec 10, 2024	Gaboury David Richardcluster Director	531	$94.51	$50.2K	SEC ↗
Sep 12, 2024	Gaboury David Richardcluster Director	340	$72.70	$24.7K	SEC ↗
Sep 9, 2024	ALVARADO LINDA Gcluster Director	450	$64.68	$29.1K	SEC ↗
Sep 9, 2024	ALVARADO LINDA Gcluster Director	451	$63.93	$28.8K	SEC ↗
Sep 5, 2024	Gaboury David Richardcluster Director	1,200	$62.20	$74.6K	SEC ↗
May 21, 2024	Brooks Jayme L.cluster Chief Financial Officer	943	$52.15	$49.2K	SEC ↗
May 17, 2024	McCann Michael Mcluster Director, Chief Executive Officer	2,099	$47.77	$100.3K	SEC ↗

More Industrials stocks with insider cluster buys

All insider buying in Industrials →

LMB insider buying — FAQ

Are insiders buying LMB stock?: Yes — 5 distinct insiders have bought LMB (Limbach Holdings, 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 Aug 13, 2025.
How much LMB stock have insiders bought?: Insiders have bought a combined $505.3K of LMB across 8 open-market purchases, based on SEC Form 4 filings.
What is an insider cluster buy in LMB?: A cluster buy is two or more distinct Limbach Holdings, Inc. insiders — officers, directors, or 10% owners — each buying LMB on the open market within a rolling window. LMB has 2 detected cluster buys to date.
Where does this LMB 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 LMB

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 LMB within a rolling window. We track clusters at every company size, from micro-caps to mega-caps. Every figure on this page traces back to an official filing; open any row to jump straight to the source document. What counts as a cluster buy?

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