---
schema_version: "secwatch.filing_event.v1"
accession: "0001049521-21-000044"
form_type: "8-K"
ticker: "MRCY"
cik: "0001049521"
company_name: "MERCURY SYSTEMS INC"
filed_at: "2021-11-01T23:59:59+00:00"
generated_at: "2026-06-28T15:34:53.262590+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# Mercury Systems announces election of directors and board committee appointments at 2021 Annual Meeting

## Summary
- Three Class III directors elected: Orlando P. Carvalho, Barry R. Nearhos, Debora A. Plunkett for terms ending 2024.
- Shareholders ratified KPMG as auditor for FY2022 and approved advisory vote on named executive officer compensation.
- William K. O'Brien elected Chairman of the Board; committees formed including Audit, Compensation, Government Relations, M&A, Nominating.

## SEC filing metadata
- accession: 0001049521-21-000044
- form_type: 8-K
- ticker: MRCY
- cik: 0001049521
- company_name: MERCURY SYSTEMS INC
- filed_at: 2021-11-01T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 5.02, 5.07, 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1049521/000104952121000044/0001049521-21-000044-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1049521/000104952121000044/mrcy-20211101.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001049521-21-000044
- JSON: https://secwatch.observer/filing/0001049521-21-000044.json
- Plain text: https://secwatch.observer/filing/0001049521-21-000044.txt

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