$NPK stock has now risen 12% today, according to our price data from Polygon. There has been approximately $19,659,514 of trading volume.
Here is what we see in our data on $NPK (you can track the company live on Quiver's $NPK stock page):
$NPK Insider Trading Activity
$NPK insiders have traded $NPK stock on the open market 2 times in the past 6 months. Of those trades, 0 have been purchases and 2 have been sales.
Here’s a breakdown of recent trading of $NPK stock by insiders over the last 6 months:
- RANDY F LIEBLE sold 2,417 shares for an estimated $347,975
- DAVID J PEUSE (CFO & TREASURER) sold 500 shares for an estimated $70,077
To track insider transactions, check out Quiver Quantitative's insider trading dashboard. You can access data on insider stock transactions through the Quiver Quantitative API insider transaction endpoint.
$NPK Hedge Fund Activity
We have seen 73 institutional investors add shares of $NPK stock to their portfolio, and 59 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- ADVISORY RESEARCH INC added 147,634 shares (+inf%) to their portfolio in Q1 2026, for an estimated $20,234,716
- MEDINA VALUE PARTNERS, LLC removed 73,550 shares (-34.7%) from their portfolio in Q1 2026, for an estimated $10,080,763
- BLACKROCK, INC. added 46,689 shares (+5.4%) to their portfolio in Q1 2026, for an estimated $6,399,194
- STATE STREET CORP added 46,305 shares (+13.3%) to their portfolio in Q1 2026, for an estimated $6,346,563
- HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC removed 30,530 shares (-100.0%) from their portfolio in Q1 2026, for an estimated $4,184,441
- BRANDES INVESTMENT PARTNERS, LP removed 30,261 shares (-42.9%) from their portfolio in Q1 2026, for an estimated $4,147,572
- JANE STREET GROUP, LLC added 25,254 shares (+inf%) to their portfolio in Q1 2026, for an estimated $3,461,313
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard. You can access data on hedge funds moves and 13F filings through the Quiver Quantitative API 13F endpoint.
$NPK Revenue
$NPK had revenues of $164M in Q4 2025.
You can track NPK financials on Quiver Quantitative's NPK stock page.
You can access data on NPK stock through the Quiver Quantitative API.
You can track data on $NPK on Quiver Quantitative.
This article is not financial advice. See Quiver Quantitative's disclaimers for more information. Note that there may be inaccuracies due to mistakes in ticker-mapping, and other anomalies.
