$NPKI stock has now fallen 10% today, according to our price data from Polygon. There has been approximately $9,180,916 of trading volume.
Here is what we see in our data on $NPKI (you can track the company live on Quiver's $NPKI stock page):
$NPKI Insider Trading Activity
$NPKI insiders have traded $NPKI stock on the open market 11 times in the past 6 months. Of those trades, 0 have been purchases and 11 have been sales.
Here’s a breakdown of recent trading of $NPKI stock by insiders over the last 6 months:
- MATTHEW LANIGAN (President & CEO) sold 167,375 shares for an estimated $2,415,907
- GREGG PIONTEK (Senior Vice President and CFO) has made 0 purchases and 4 sales selling 138,590 shares for an estimated $1,979,114.
- LORI BRIGGS (VP & President, Ind. Solutions) has made 0 purchases and 2 sales selling 18,771 shares for an estimated $275,067.
- MARY CELESTE FRUGE (VP, General Counsel) has made 0 purchases and 2 sales selling 12,193 shares for an estimated $162,863.
- MICHAEL A LEWIS has made 0 purchases and 2 sales selling 4,026 shares for an estimated $59,598.
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.
$NPKI Hedge Fund Activity
We have seen 128 institutional investors add shares of $NPKI stock to their portfolio, and 128 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- ACK ASSET MANAGEMENT LLC removed 1,576,808 shares (-100.0%) from their portfolio in Q4 2025, for an estimated $18,795,551
- ELECTRON CAPITAL PARTNERS, LLC added 1,099,943 shares (+inf%) to their portfolio in Q1 2026, for an estimated $15,938,174
- PENNANT SELECT, LLC removed 1,014,221 shares (-100.0%) from their portfolio in Q1 2026, for an estimated $14,696,062
- AXIOM INVESTORS LLC /DE added 737,325 shares (+inf%) to their portfolio in Q1 2026, for an estimated $10,683,839
- WASATCH ADVISORS LP added 683,116 shares (+30.8%) to their portfolio in Q1 2026, for an estimated $9,898,350
- ALLIANZ ASSET MANAGEMENT GMBH added 655,230 shares (+130.7%) to their portfolio in Q1 2026, for an estimated $9,494,282
- BRIDGEWAY CAPITAL MANAGEMENT, LLC removed 574,883 shares (-91.9%) from their portfolio in Q1 2026, for an estimated $8,330,054
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.
You can track data on $NPKI 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.