---
schema_version: "secwatch.filing_event.v1"
accession: "0001049521-26-000043"
form_type: "8-K"
ticker: "MRCY"
cik: "0001049521"
company_name: "MERCURY SYSTEMS INC"
filed_at: "2026-08-18T20:01:05+00:00"
generated_at: "2026-08-18T20:02:08.599131+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Mercury Systems Q4 revenue $290M (+6.1%), record bookings $660M, backlog $1.9B

## Summary
- Q4 revenue $290M (+6.1% YoY); GAAP EPS $0.01 vs $0.27; adjusted EPS $0.37 vs $0.47.
- Record Q4 bookings $660M (+93.1% YoY), book-to-bill 2.28; backlog $1.9B (+38.4%).
- FY26 revenue $984M (+7.9% YoY); GAAP net loss $30M ($0.50/share) vs $38M loss; adjusted EPS $1.06 vs -$0.64.
- FY26 adjusted EBITDA $150M vs $119M; free cash flow $68M vs $119M.
- CEO says results ahead of expectations; raises FY27 organic growth outlook.

## SEC filing metadata
- accession: 0001049521-26-000043
- form_type: 8-K
- ticker: MRCY
- cik: 0001049521
- company_name: MERCURY SYSTEMS INC
- filed_at: 2026-08-18T20:01:05+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1049521/000104952126000043/0001049521-26-000043-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1049521/000104952126000043/mrcy-20260818.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001049521-26-000043
- JSON: https://secwatch.observer/filing/0001049521-26-000043.json
- Plain text: https://secwatch.observer/filing/0001049521-26-000043.txt

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