SEC CIK 1418328
Piontek Gregg
Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| NPKIview stock → | 858,182 | 2026-06-01 |
Position History — NPKI
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — NPKI
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2026-06-01 | Option exercise (derivative) | 40,379 | $0.00 | 0 |
| 2026-06-01 | Option exercise | 40,379 | $0.00 | 858,182 |
| 2026-06-01 | Tax withholding | 11,241 | $14.31 | 817,803 |
| 2026-06-01 | Tax withholding | 15,889 | $14.31 | 829,044 |
| 2026-06-01 | Tax withholding | 8,959 | $14.31 | 844,933 |
| 2026-05-19 | Grant / award | 34,566 | $0.00 | 853,892 |
| 2026-04-09 | Open-market sale | 15,000 | $15.04 | 819,326 |
| 2026-04-01 | Open-market sale | 35,000 | $14.51 | 834,326 |
| 2026-03-25 | Open-market sale | 15,000 | $15.03 | 869,326 |
| 2026-03-04 | Option exercise (derivative) | 73,590 | $0.00 | 0 |
| 2026-03-04 | Open-market sale | 35,000 | $14.02 | 884,326 |
| 2026-03-04 | Open-market sale | 73,590 | $14.10 | 919,326 |
| 2026-03-04 | Option exercise | 73,590 | $4.32 | 992,916 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.