The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Lewis Michael A since 2022.
This trader's CIK number is 1423238.
At the time of last reporting, Lewis Michael A was the Director of Npk International Inc.. (stock ticker symbol NPKI).
Also see all insider trading activities at Npk International Inc..
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2025 | NPKI | 0 | $0 | 4,026 | $38,111 | 0 | $0 |
| 2022 | NPKI | 5,251 | $20,898 | 0 | $0 | 0 | $0 |
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2025 | POR | 0 | $0 | 1,937 | $77,673 | 0 | $0 |
1. Npk International Inc. (NPKI)
2. Portland General Electric Co /or/ (POR)
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-08-25 | NPKI | Sale | 2,013 | 10.33 | 20,796 |
| 2025-06-16 | NPKI | Sale | 2,013 | 8.60 | 17,315 |
| 2022-12-09 | NR | Buy | 5,251 | 3.98 | 20,898 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-07-21 | POR | Sale | 1,937 | 40.10 | 77,673 |
Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Lewis Michael A (Director of Npk International Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.