SEC Form 4 · accession 0000071829-18-000071
NPK International Inc. · NPKI
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Gregg Piontek
Officer — Senior Vice President and CFO
Period of report
May 16, 2018
Accepted (ET)
May 18, 2018 · 3:00 pm EDT
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0000071829
Table I — non-derivative securities
No Table I lines on this filing.
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Restricted Stock UnitsF1 | $0.00 | May 16, 2018 | A | 43,948 | A | — | — | Common Stock | 43,948 | 145,148 | D |
| Restricted Stock UnitsF2 | $0.00 | May 16, 2018 | A | 100,000 | A | — | — | Common Stock | 100,000 | 245,148 | D |
Explanation of responses
- F1The restricted stock units vest in increments of one-third of the shares on June 1 of each year.
- F2The restricted stock units will vest at a rate of 50% of the shares on June 1, 2020 and 50% of the shares on June 1, 2022.