---
schema_version: "secwatch.filing_event.v1"
accession: "0001049521-21-000047"
form_type: "8-K"
ticker: "MRCY"
cik: "0001049521"
company_name: "MERCURY SYSTEMS INC"
filed_at: "2021-11-02T23:59:59+00:00"
generated_at: "2026-06-28T14:51:34.747521+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Mercury Systems Q1 FY22 revenue up 9% to $225M; GAAP net loss; announces Avalex acquisition

## Summary
- Revenue $225M (+9% YoY); GAAP net loss $7.1M (-$0.13/share) vs net income $15.8M ($0.29) a year ago.
- Adjusted EPS $0.41 vs $0.51 YoY; adjusted EBITDA $38.3M vs $42.8M.
- Free cash flow negative $7.4M vs positive $12.0M; operating cash flow negative $2.0M.
- Bookings $199.3M, book-to-bill 0.89; total backlog $883.9M (+$57.8M YoY).
- Announced definitive agreement to acquire Avalex Technologies to scale avionics/mission systems capabilities.

## SEC filing metadata
- accession: 0001049521-21-000047
- form_type: 8-K
- ticker: MRCY
- cik: 0001049521
- company_name: MERCURY SYSTEMS INC
- filed_at: 2021-11-02T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1049521/000104952121000047/0001049521-21-000047-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1049521/000104952121000047/mrcy-20211102.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001049521-21-000047
- JSON: https://secwatch.observer/filing/0001049521-21-000047.json
- Plain text: https://secwatch.observer/filing/0001049521-21-000047.txt

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