---
schema_version: "secwatch.filing_event.v1"
accession: "0001564590-21-035894"
form_type: "8-K"
ticker: "PSN"
cik: "0000275880"
company_name: "PARSONS CORP"
filed_at: "2021-07-07T23:59:59+00:00"
generated_at: "2026-06-30T07:02:27.962464+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Parsons completes accretive $203M acquisition of BlackHorse Solutions

## Summary
- Acquisition valued at $203 million; accretive to Parsons.
- Expands capabilities in cyber, electronic warfare, and information dominance.
- BlackHorse technology unifies cyber, electromagnetic warfare, and info operations for DoD/IC customers.
- Consistent with strategy: targets companies with revenue growth and >10% adjusted EBITDA margins.
- BlackHorse is headquartered in Herndon, Virginia.

## SEC filing metadata
- accession: 0001564590-21-035894
- form_type: 8-K
- ticker: PSN
- cik: 0000275880
- company_name: PARSONS CORP
- filed_at: 2021-07-07T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 2.01, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/275880/000156459021035894/0001564590-21-035894-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/275880/000156459021035894/psn-8k_20210706.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001564590-21-035894
- JSON: https://secwatch.observer/filing/0001564590-21-035894.json
- Plain text: https://secwatch.observer/filing/0001564590-21-035894.txt

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