NPKI insider buying

1 cluster buy

NPK International Inc.

When two or more insiders at NPK International Inc. buy NPKI in a qualifying detection window, the grouped purchases provide a starting point for further research. Below is every cluster we've detected in NPKI 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
4
Total bought
$324.1K
Market cap
$1.2B

Detected clusters

  • Mar 5 – May 19, 2025
    Detected May 19, 2025
    3 insiders
    Total bought
    $185.5K
    Market cap
    $1.2B

All notable open-market buys in NPKI

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

DateInsiderSharesPriceValueFiling
Nov 2, 2026
Director
15,000$9.24$138.6KSEC ↗
May 19, 2025
Director
4,000$7.92$31.7KSEC ↗
May 8, 2025
Director
12,500$8.00$100.0KSEC ↗
Mar 5, 2025
Director
10,000$5.38$53.8KSEC ↗

NPKI insider buying — FAQ

Are insiders buying NPKI stock?
Yes — 4 distinct insiders have bought NPKI (NPK International 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 Nov 4, 2026.
How much NPKI stock have insiders bought?
Insiders have bought a combined $324.1K of NPKI across 4 open-market purchases, based on SEC Form 4 filings.
What is an insider cluster buy in NPKI?
A cluster buy is two or more distinct NPK International Inc. insiders — officers, directors, or 10% owners — each buying NPKI on the open market within a rolling window. NPKI has 1 detected cluster buy to date.
Where does this NPKI 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 NPKI

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 NPKI 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 NPKI.