Gregg Piontek
CIK 1418328 · Senior Vice President and CFO · last filed 2026-06-03
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
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Disclosed Exposure
$0
Companies
1
Total Filings
63
Lifetime Open-Market Net
-$3.61M
Holdings By Company
Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| NPK International Inc. (NR) Delisted | Senior Vice President and CFO | 894,044 | $7.25 | $6.48M | -$3.61M | 63 | 2026-06-03 |
Recent Filings · Page 3 of 7
63 filingsForm 4 transactions across all companies, newest first.
| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2020-05-22 | NPK International Inc. (NR) Delisted | Grant (A) | — | $0 | EDGAR |
| 2020-05-12 | NPK International Inc. (NR) Delisted | Buy (P) | +40,000 | $61.9K | EDGAR |
| 2019-07-05 | NPK International Inc. (NR) Delisted | Mixed | +27,151 | -$105.2K | EDGAR |
| 2019-06-04 | NPK International Inc. (NR) Delisted | Mixed | +39,163 | -$88.1K | EDGAR |
| 2019-05-28 | NPK International Inc. (NR) Delisted | Grant (A) | — | $0 | EDGAR |
| 2018-08-15 | NPK International Inc. (NR) Delisted | Mixed | +14,848 | -$100.2K | EDGAR |
| 2018-06-05 | NPK International Inc. (NR) Delisted | Mixed | +34,367 | -$161.8K | EDGAR |
| 2018-05-18 | NPK International Inc. (NR) Delisted | Grant (A) | — | $0 | EDGAR |
| 2018-05-03 | NPK International Inc. (NR) Delisted | Mixed | — | -$241.8K | EDGAR |
| 2017-08-18 | NPK International Inc. (NR) Delisted | Mixed | +14,399 | -$40.6K | EDGAR |
Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.