LANIGAN MATTHEW
President & CEO
LANIGAN MATTHEW has filed 5 SEC Form 4 filings (9 transaction rows) across 1 company, with disclosures dating back to 2025. 4 of those filings fall inside the rolling window. Most recent filing: Jun 5, 2026.
On the most recent filing, LANIGAN MATTHEW is listed as President & CEO at NPK International Inc. Inside the rolling window, LANIGAN MATTHEW reported no open-market purchases and 1 open-market sale totaling $2.4M in NPKI.
Companies traded
Other insiders at NPKI
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$2.4M
reported sales (SEC code S)
Companies
1
in the rolling window
Earlier trades
Open-market purchases and sales filed before the rolling 365-day window, kept from the original Form 4 filings.
| Date | Ticker | Type | Value |
|---|---|---|---|
| Sep 3, 2025 | NPKI | Sale | $10K |
Frequently asked questions
How many SEC Form 4 filings has LANIGAN MATTHEW made?
LANIGAN MATTHEW has filed 5 SEC Form 4 filings (9 transaction rows) across 1 company since 2025.
Which companies does LANIGAN MATTHEW trade?
LANIGAN MATTHEW has filed SEC Form 4 disclosures for 1 company, including NPKI.
When was LANIGAN MATTHEW's most recent SEC Form 4 filing?
LANIGAN MATTHEW's most recent SEC Form 4 filing on Tracefour is dated Jun 5, 2026.
What is LANIGAN MATTHEW's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, LANIGAN MATTHEW is listed as President & CEO.
What is LANIGAN MATTHEW's total buy and sell value in the current window?
Inside the rolling retention window, LANIGAN MATTHEW bought $0 and sold $2.4M based on SEC Form 4 filings.
What was LANIGAN MATTHEW's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 167,375 NPKI shares on 2026-06-03, worth $2.4M, per SEC Form 4 filings.