The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Piontek Gregg since 2016.
This trader's CIK number is 1418328.
At the time of last reporting, Piontek Gregg was the Senior Vice President and CFO 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 | 0 | $0 | 84,169 | $0 |
| 2024 | NPKI | 0 | $0 | 0 | $0 | 135,351 | $0 |
| 2023 | NPKI | 0 | $0 | 0 | $0 | 142,405 | $0 |
| 2022 | NPKI | 0 | $0 | 0 | $0 | 171,711 | $0 |
| 2020 | NPKI | 55,000 | $78,100 | 0 | $0 | 102,552 | $0 |
| 2019 | NPKI | 0 | $0 | 0 | $0 | 93,688 | $0 |
| 2018 | NPKI | 0 | $0 | 51,490 | $540,902 | 125,248 | $288,344 |
| 2017 | NPKI | 0 | $0 | 34,372 | $276,282 | 54,289 | $0 |
| 2016 | NPKI | 0 | $0 | 0 | $0 | 20,238 | $0 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-06-01 | NPKI | Option Ex | 84,169 | .00 | 0 |
| 2024-06-01 | NR | Option Ex | 135,351 | .00 | 0 |
| 2023-06-01 | NR | Option Ex | 91,223 | .00 | 0 |
| 2023-06-02 | NR | Option Ex | 51,182 | .00 | 0 |
| 2022-06-01 | NR | Option Ex | 171,711 | .00 | 0 |
| 2020-11-11 | NR | Buy | 15,000 | 1.08 | 16,200 |
| 2020-06-01 | NR | Option Ex | 102,552 | .00 | 0 |
| 2020-05-08 | NR | Buy | 20,000 | 1.47 | 29,400 |
| 2020-05-11 | NR | Buy | 5,000 | 1.58 | 7,900 |
| 2020-05-12 | NR | Buy | 15,000 | 1.64 | 24,600 |
| 2019-07-02 | NR | Option Ex | 41,922 | .00 | 0 |
| 2019-06-01 | NR | Option Ex | 51,766 | .00 | 0 |
| 2018-08-14 | NR | Option Ex | 24,481 | .00 | 0 |
| 2018-06-01 | NR | Option Ex | 49,277 | .00 | 0 |
| 2018-05-02 | NR | Option Ex | 51,490 | 5.60 | 288,344 |
| 2018-05-02 | NR | Sale | 51,490 | 10.51 | 540,902 |
| 2017-08-16 | NR | Option Ex | 19,819 | .00 | 0 |
| 2017-06-01 | NR | Option Ex | 34,470 | .00 | 0 |
| 2017-05-19 | NR | Sale | 34,372 | 8.04 | 276,282 |
| 2016-08-10 | NR | Option Ex | 8,076 | .00 | 0 |
| 2016-06-01 | NR | Option Ex | 12,162 | .00 | 0 |
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 Piontek Gregg (Senior Vice President and CFO of Npk International Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.