Lewis Michael A
SEC Form 4 insider trading activity
Lewis Michael A has filed 6 SEC Form 4 filings (7 transaction rows) across 2 companies, including NPKI, POR, with disclosures dating back to 2025. 6 of those filings fall inside the rolling window. Most recent filing: Aug 19, 2026.
On the most recent filing, Lewis Michael A is listed as Director at NPK International Inc. Inside the rolling window, Lewis Michael A reported no open-market purchases and 5 open-market sales totaling $192K in NPKI and POR. The largest disclosed transaction in the window is a sale of 1,537 POR shares on Jul 27, 2026, worth $80K.
Companies traded
Other insiders at NPKI
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$192K
reported sales (SEC code S)
Companies
2
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Lewis Michael A made?
Lewis Michael A has filed 6 SEC Form 4 filings (7 transaction rows) across 2 companies, including NPKI, POR since 2025.
Which companies does Lewis Michael A trade?
Lewis Michael A has filed SEC Form 4 disclosures for 2 companies, including NPKI, POR.
When was Lewis Michael A's most recent SEC Form 4 filing?
Lewis Michael A's most recent SEC Form 4 filing on Tracefour is dated Aug 19, 2026.
What is Lewis Michael A's total buy and sell value in the current window?
Inside the rolling retention window, Lewis Michael A bought $0 and sold $192K based on SEC Form 4 filings.
What was Lewis Michael A's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 1,537 POR shares on 2026-07-27, worth $80K, per SEC Form 4 filings.