---
schema_version: "secwatch.filing_event.v1"
accession: "0001739445-21-000159"
form_type: "8-K"
ticker: "ACA"
cik: "0001739445"
company_name: "Arcosa, Inc."
filed_at: "2021-12-10T23:59:59+00:00"
generated_at: "2026-06-28T02:07:59.628578+00:00"
event_type: "leadership"
sentiment: "positive"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Arcosa elects Julie Piggott, former BNSF CFO, as independent director; board expands to 10

## Summary
- Julie Piggott elected independent director effective Dec 9, 2021; serves on Audit Committee.
- Piggott was EVP and CFO of BNSF Railway (2014–2021) with over 30 years of finance experience.
- Board expanded from 9 to 10 members with her election.
- Awarded 984 RSUs (pro-rata 2021 non-employee director grant) vesting in one year.
- Independence affirmed under NYSE and SEC rules; no related-party transactions reported.

## SEC filing metadata
- accession: 0001739445-21-000159
- form_type: 8-K
- ticker: ACA
- cik: 0001739445
- company_name: Arcosa, Inc.
- filed_at: 2021-12-10T23:59:59+00:00
- event_type: leadership
- sentiment: positive
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1739445/000173944521000159/0001739445-21-000159-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1739445/000173944521000159/aca-20211209.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001739445-21-000159
- JSON: https://secwatch.observer/filing/0001739445-21-000159.json
- Plain text: https://secwatch.observer/filing/0001739445-21-000159.txt

## Key facts
- Executive change
  Julie Piggott was elected as member of the Board at Arcosa, Inc..
  - Action: elected
  - Role: member of the Board
  source text: On December 9, 2021, the Board of Directors (the “Board”) of Arcosa, Inc. (the "Company") elected Julie Piggott as a member of the Board, effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1739445/000173944521000159/0001739445-21-000159-index.htm

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