SEC Form 4 · accession 0001240371-17-000003
NPK International Inc. · NPKI
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Mark J Airola
Officer — Sr Vice Pres, General Counsel
Period of report
May 18, 2017
Accepted (ET)
May 18, 2017 · 5:11 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 18, 2017 | A | 46,891 | A | — | — | Common Stock | 46,891 | 147,521 | D |
Explanation of responses
- F1The restricted stock units vest in increments of one-third of the shares on June 1 of each year.