Piontek Gregg
Insider transactions at 1 company
This page shows all SEC Form 4 filings attributed to Piontek Gregg. Form 4 disclosures are required whenever a corporate insider — director, officer, or 10%+ shareholder — buys, sells, or receives company stock. Each row represents a separate reported transaction. All data is sourced directly from the SEC EDGAR public database.
| Company | Title | Type | Shares | Price | Value | Date |
|---|---|---|---|---|---|---|
| NPKI | Senior Vice President and CFO | Tax Withholding | 17,231 | $8.09 | $139,399 | Jun 1, 2025 |
| NPKI | Senior Vice President and CFO | Award / Grant | 85,706 | — | — | May 14, 2025 |
| NPKI | Senior Vice President and CFO | Option Exercise | 51,181 | — | — | Jun 1, 2024 |
| NPKI | Senior Vice President and CFO | Award / Grant | 68,308 | — | — | May 15, 2024 |
| NPKI | Senior Vice President and CFO | Tax Withholding | 10,663 | $3.67 | $39,133 | Jun 1, 2023 |
| NPKI | Senior Vice President and CFO | Purchase | 10,000 | $2.55 | $25,500 | Aug 5, 2022 |
| NPKI | Senior Vice President and CFO | Option Exercise | 23,096 | — | — | Jun 1, 2022 |
| NPKI | Senior Vice President and CFO | Tax Withholding | 5,764 | $3.51 | $20,232 | Jun 1, 2021 |
| NPKI | Senior Vice President and CFO | Purchase | 15,000 | $1.08 | $16,200 | Nov 11, 2020 |
| NPKI | Senior Vice President and CFO | Option Exercise | 14,807 | — | — | Jun 1, 2020 |
| NPKI | Senior Vice President and CFO | Purchase | 15,000 | $1.64 | $24,600 | May 8, 2020 |
| NPKI | Senior Vice President and CFO | Tax Withholding | 14,771 | $7.12 | $105,170 | Jul 2, 2019 |
| NPKI | Senior Vice President and CFO | Tax Withholding | 3,567 | $6.99 | $24,933 | Jun 1, 2019 |
| NPKI | Senior Vice President and CFO | Tax Withholding | 9,633 | $10.40 | $100,183 | Aug 14, 2018 |
| NPKI | Senior Vice President and CFO | Option Exercise | 12,161 | — | — | Jun 1, 2018 |
| NPKI | Senior Vice President and CFO | Option Exercise | 28,100 | $7.89 | $221,709 | May 2, 2018 |
| NPKI | Vice President and CFO | Option Exercise | 19,819 | — | — | Aug 16, 2017 |
| NPKI | Vice President and CFO | Tax Withholding | 3,326 | $7.54 | $25,078 | Jun 1, 2017 |
| NPKI | Vice President and CFO | Sale | 31,284 | $8.04 | $251,523 | May 19, 2017 |
| NPKI | Vice President and CFO | Option Exercise | 8,076 | — | — | Aug 10, 2016 |
| NPKI | Vice President and CFO | Tax Withholding | 2,451 | $5.36 | $13,137 | Jun 9, 2016 |
| NPKI | Vice President and CFO | Tax Withholding | 2,666 | $4.99 | $13,303 | Jun 1, 2016 |
| NPKI | Vice President and CFO | Tax Withholding | 2,735 | $5.33 | $14,578 | Dec 21, 2015 |
| NPKI | Vice President and CFO | Tax Withholding | 3,928 | $8.66 | $34,016 | Jun 9, 2015 |
| NPKI | Vice President and CFO | Tax Withholding | 2,699 | $8.70 | $23,481 | Jun 1, 2015 |
| NPKI | Vice President and CFO | Tax Withholding | 1,823 | $10.64 | $19,397 | Oct 17, 2014 |
| NPKI | Vice President and CFO | Tax Withholding | 7,340 | $11.99 | $88,007 | Jun 9, 2014 |
| NPKI | Vice President and CFO | Award / Grant | 29,611 | — | — | May 21, 2014 |
| NPKI | VP, CFO, PAO | Tax Withholding | 2,735 | $11.90 | $32,547 | Dec 21, 2013 |
| NPKI | VP, CFO, PAO | Tax Withholding | 1,823 | $13.20 | $24,064 | Oct 17, 2013 |
| NPKI | VP, CFO, PAO | Tax Withholding | 5,925 | $11.45 | $67,841 | Jun 11, 2013 |
| NPKI | VP, CFO, PAO | Award / Grant | 26,895 | — | — | Jun 6, 2013 |
| NPKI | VP, CFO, PAO | Sale | 400 | $11.34 | $4,536 | May 14, 2013 |
| NPKI | VP, CFO, PAO | Tax Withholding | 1,763 | $7.11 | $12,535 | Oct 17, 2012 |
| NPKI | VP, CFO, PAO | Tax Withholding | 930 | $5.56 | $5,171 | Jun 9, 2012 |
| NPKI | VP, CFO, PAO | Award / Grant | 43,087 | — | — | Jun 6, 2012 |
| NPKI | VP, CFO, PAO | Tax Withholding | 1,988 | $7.84 | $15,586 | Mar 4, 2012 |
| NPKI | VP, CFO and PAO | Award / Grant | 20,000 | — | — | Dec 21, 2011 |
| NPKI | VP, Controller, PAO | Award / Grant | 20,000 | — | — | Oct 17, 2011 |
| NPKI | VP, Controller, PAO | Tax Withholding | 1,002 | — | — | Jun 13, 2011 |
| NPKI | VP, Controller, PAO | Award / Grant | 10,550 | — | — | Jun 9, 2011 |
| NPKI | VP, Controller, PAO | Sale | 853 | $8.92 | $7,609 | May 6, 2011 |
| NPKI | VP & Principal Acctng Officer | Award / Grant | 11,366 | — | — | Jun 9, 2010 |
| NPKI | VP & Principal Acctng Officer | Sale | 2,000 | $8.00 | $16,000 | May 4, 2010 |
| NPKI | VP & Principal Acctng Officer | Tax Withholding | 2,448 | $5.44 | $13,317 | Mar 4, 2010 |
| NPKI | VP and Principal Acct Officer | Award / Grant | 15,000 | — | — | Mar 5, 2008 |
| NPKI | Principal Acct Officer | Purchase | 4,000 | $5.50 | $22,000 | Nov 9, 2007 |