DIMENSIONAL FUND ADVISORS LP 13D and 13G filings for NPK International Inc.:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Shares have been adjusted for stock splits.
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2024-02-09 09:59 am Purchase | 2024-02-14 | 13G | NPK International Inc. NPKI | DIMENSIONAL FUND ADVISORS LP | 6,153,464 7.200% | 1,966,430 (+46.96%) | Filing |
| 2022-02-08 3:53 pm Sale | 2022-02-14 | 13G | NPK International Inc. NPKI | DIMENSIONAL FUND ADVISORS LP | 4,187,034 4.500% | -480,334 (-10.29%) | Filing |
| 2021-02-12 5:13 pm Sale | 2021-02-16 | 13G | NPK International Inc. NPKI | DIMENSIONAL FUND ADVISORS LP | 4,667,368 5.100% | -2,823,127 (-37.69%) | Filing |