---
schema_version: "secwatch.filing_event.v1"
accession: "0001049521-21-000027"
form_type: "8-K"
ticker: "MRCY"
cik: "0001049521"
company_name: "MERCURY SYSTEMS INC"
filed_at: "2021-08-03T23:59:59+00:00"
generated_at: "2026-06-29T23:03:37.304525+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "medium"
source: SEC EDGAR
---

# Mercury Q4 revenue $250.8M (+15%); GAAP EPS $0.32; launches 1MPACT savings plan

## Summary
- Q4 revenue $250.8M (+15%), GAAP net income $17.9M ($0.32) vs $27.2M ($0.49) prior year.
- Adjusted EPS $0.73 vs $0.72; adjusted EBITDA $59.1M vs $49.6M.
- Full-year FY2021 revenue $924.0M (+16%), GAAP EPS $1.12 vs $1.56, adjusted EPS $2.42 vs $2.30.
- 1MPACT initiative targets $30-50M net savings by FY2025; ~$22M expected in FY2022.
- Workforce cut of 90 employees; $9.4M charge in Q1 FY2022. COO Thibaud retiring Aug 26, 2021.

## SEC filing metadata
- accession: 0001049521-21-000027
- form_type: 8-K
- ticker: MRCY
- cik: 0001049521
- company_name: MERCURY SYSTEMS INC
- filed_at: 2021-08-03T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: medium
- sec_items: 2.02, 2.05, 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1049521/000104952121000027/0001049521-21-000027-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1049521/000104952121000027/mrcy-20210803.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001049521-21-000027
- JSON: https://secwatch.observer/filing/0001049521-21-000027.json
- Plain text: https://secwatch.observer/filing/0001049521-21-000027.txt

## Key facts
- Executive change
  Didier M.C. Thibaud departed as Executive Vice President and Chief Operating Officer at MERCURY SYSTEMS INC.
  - Action: retiring
  - Role: Executive Vice President and Chief Operating Officer
  source text: On August 3, 2021, the Company announced that Didier M.C. Thibaud, the Company’s Executive Vice President and Chief Operating Officer (“COO”), will be retiring from the COO role effective August 26, 2021.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1049521/000104952121000027/0001049521-21-000027-index.htm

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