SEC Form 4 · accession 0000071829-18-000099
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
Jun 1, 2018
Accepted (ET)
Jun 5, 2018 · 2:26 pm EDT
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0000071829
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock | Jun 1, 2018 | M | 13,412 | $0.00 | A | 352,367 | D | |
| Common StockF1 | Jun 1, 2018 | F | 5,277 | $10.85 | D | 347,090 | D | |
| Common Stock | Jun 1, 2018 | M | 15,631 | $0.00 | A | 362,721 | D | |
| Common StockF1 | Jun 1, 2018 | F | 6,150 | $10.85 | D | 356,571 | D | |
| Common Stock | Jun 1, 2018 | M | 24,602 | $0.00 | A | 381,173 | D | |
| Common StockF1 | Jun 1, 2018 | F | 9,680 | $10.85 | D | 371,493 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Restricted Stock UnitsF2,F3 | $0.00 | Jun 1, 2018 | M | 13,412 | D | — | — | Common Stock | 13,412 | 96,095 | D |
| Restricted Stock UnitsF2,F3 | $0.00 | Jun 1, 2018 | M | 15,631 | D | — | — | Common Stock | 15,631 | 80,464 | D |
| Restricted Stock UnitsF2,F3 | $0.00 | Jun 1, 2018 | M | 24,602 | D | — | — | Common Stock | 24,602 | 55,862 | D |
Explanation of responses
- F1Represents shares withheld to satisfy tax withholding obligations upon the vesting of restricted shares.
- F2Restricted stock units convert into common stock on a one-for-one basis.
- F3The restricted stock units vest in increments of one-third of the shares on June 1 of each year.