Quick Takeaways
- DIMENSIONAL FUND ADVISORS LP filed SCHEDULE 13G/A for NPK International Inc Common Stock (NPKI).
- Disclosed ownership: 5.7%.
- Date of event: 30 Sep 2025.
Quoteable Key Fact
"DIMENSIONAL FUND ADVISORS LP disclosed 5.7% ownership in NPK International Inc Common Stock (NPKI) on 30 Sep 2025."
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Dimensional Fund Advisors LP | 5.7% | 4,797,458 | 4,714,823 | 0 | Selwyn Notelovitz | Global Chief Compliance Officer |