NL insider buying

1 cluster buy

NL INDUSTRIES INC · Industrials

When two or more insiders at NL INDUSTRIES INC buy NL 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 NL 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
1
Distinct insiders
2
Total bought
$91.0K
Market cap
$287.5M

Detected clusters

  • Mar 11 – Mar 12, 2025
    Detected Mar 12, 2025
    High conviction2 insiders
    Total bought
    $91.0K
    Market cap
    $287.5M

All notable open-market buys in NL

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

DateInsiderSharesPriceValueFiling
Mar 12, 2025
Director
1,000$7.19$7.2KSEC ↗
Mar 12, 2025
Director
1,000$7.15$7.2KSEC ↗
Mar 12, 2025
Director
1,000$7.07$7.1KSEC ↗
Mar 12, 2025
Director
1,000$6.93$6.9KSEC ↗
Mar 12, 2025
Director
588$7.36$4.3KSEC ↗
Mar 12, 2025
Director
500$7.08$3.5KSEC ↗
Mar 12, 2025
Director
470$7.14$3.4KSEC ↗
Mar 12, 2025
Director
188$7.33$1.4KSEC ↗
Mar 12, 2025
Director
186$7.24$1.3KSEC ↗
Mar 12, 2025
Director
122$7.22$880.8SEC ↗
Mar 12, 2025
Director
113$7.46$843.0SEC ↗
Mar 12, 2025
Director
113$7.23$817.0SEC ↗
Mar 12, 2025
Director
100$7.34$734.0SEC ↗
Mar 12, 2025
Director
100$7.18$718.0SEC ↗
Mar 12, 2025
Director
10$7.40$74.0SEC ↗
Mar 12, 2025
Director
9$7.21$64.9SEC ↗
Mar 12, 2025
Director
1$7.37$7.4SEC ↗
Mar 11, 2025
Director
1,080$6.78$7.3KSEC ↗
Mar 11, 2025
Director
1,000$6.76$6.8KSEC ↗
Mar 11, 2025
Director
1,000$6.47$6.5KSEC ↗
Mar 11, 2025
Director
1,000$6.36$6.4KSEC ↗
Mar 11, 2025
Director
1,000$6.32$6.3KSEC ↗
Mar 11, 2025
Director
500$6.83$3.4KSEC ↗
Mar 11, 2025
Director
500$6.71$3.4KSEC ↗
Mar 11, 2025
Director
420$6.79$2.9KSEC ↗
1 earlier buy hidden — sign in free to see the full history.

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NL insider buying — FAQ

Are insiders buying NL stock?
Yes — 2 distinct insiders have bought NL (NL INDUSTRIES INC) on the open market, including 1 cluster buy where two or more insiders bought within a rolling window. The most recent qualifying activity was Mar 13, 2025.
How much NL stock have insiders bought?
Insiders have bought a combined $91.0K of NL across 26 open-market purchases, based on SEC Form 4 filings.
What is an insider cluster buy in NL?
A cluster buy is two or more distinct NL INDUSTRIES INC insiders — officers, directors, or 10% owners — each buying NL on the open market within a rolling window. NL has 1 detected cluster buy to date.
Where does this NL 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 NL

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 NL 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 NL.