---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-26-020791"
form_type: "8-K"
ticker: "NPK"
cik: "0000080172"
company_name: "NATIONAL PRESTO INDUSTRIES INC"
filed_at: "2026-06-16T20:03:50+00:00"
generated_at: "2026-06-16T20:05:37.514072+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# National Presto Industries subsidiary breaks ground on $90M medium caliber ammunition facility

## Summary
- NDC holds groundbreaking for new medium caliber ammunition production and test facility at Tech Ord campus in Clear Lake, SD.
- Approximately $90M investment to meet U.S. DoD ammunition requirements using modern manufacturing technologies.
- Construction begins mid-June 2026; completion expected in 2028.
- Facility designed for flexibility and scalability, including Counter-UAS ammunition production.
- NDC President Todd Anderson cites DOTC programs as key driver for the investment.

## SEC filing metadata
- accession: 0001437749-26-020791
- form_type: 8-K
- ticker: NPK
- cik: 0000080172
- company_name: NATIONAL PRESTO INDUSTRIES INC
- filed_at: 2026-06-16T20:03:50+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/80172/000143774926020791/0001437749-26-020791-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/80172/000143774926020791/npk20260611_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-26-020791
- JSON: https://secwatch.observer/filing/0001437749-26-020791.json
- Plain text: https://secwatch.observer/filing/0001437749-26-020791.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.