CTOS insider buying

2 cluster buys

Custom Truck One Source, Inc. · Industrials

When two or more insiders at Custom Truck One Source, Inc. buy CTOS 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 CTOS 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
2
Distinct insiders
10
Total bought
$66.0M
Market cap
$2.3B

Detected clusters

  • Jan 30 – Jan 30, 2025
    Detected Jan 30, 2025
    2 insiders
    Total bought
    $65.1M
    Market cap
    $2.3B
  • Aug 6 – Aug 7, 2024
    Detected Aug 7, 2024
    High conviction2 insiders
    Total bought
    $435.9K
    Market cap
    $2.3B

All notable open-market buys in CTOS

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

DateInsiderSharesPriceValueFiling
Jan 30, 2025
Gores Tomcluster
10% Owner
8,143,635$4.00$32.6MSEC ↗
Jan 30, 2025
10% Owner
8,143,635$4.00$32.6MSEC ↗
Aug 7, 2024
President - Sales
84,254$3.98$335.3KSEC ↗
Aug 6, 2024
President - Rentals
26,200$3.84$100.6KSEC ↗
Jun 14, 2024
Director
10,000$4.34$43.4KSEC ↗
May 8, 2024
Director
12,000$4.12$49.4KSEC ↗
May 8, 2024
Director, Chief Executive Officer
10,000$4.04$40.4KSEC ↗
May 7, 2024
Director
40,000$4.07$162.8KSEC ↗
May 7, 2024
Chief Financial Officer
20,000$3.90$78.0KSEC ↗
May 7, 2024
Chief Accounting Officer
3,000$4.12$12.4KSEC ↗

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CTOS insider buying — FAQ

Are insiders buying CTOS stock?
Yes — 10 distinct insiders have bought CTOS (Custom Truck One Source, 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 Feb 3, 2025.
How much CTOS stock have insiders bought?
Insiders have bought a combined $66.0M of CTOS across 10 open-market purchases, based on SEC Form 4 filings.
What is an insider cluster buy in CTOS?
A cluster buy is two or more distinct Custom Truck One Source, Inc. insiders — officers, directors, or 10% owners — each buying CTOS on the open market within a rolling window. CTOS has 2 detected cluster buys to date.
Where does this CTOS 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 CTOS

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 CTOS 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 CTOS.