---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-23-041498"
form_type: "8-K"
ticker: "LDOS"
cik: "0001336920"
company_name: "Leidos Holdings, Inc."
filed_at: "2023-12-14T23:59:59+00:00"
generated_at: "2026-06-07T12:38:36.209258+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# Leidos expands board to 13, elects VADM Nancy Ann Norton; appoints Daniel Atkinson as CAO

## Summary
- Board increased to 13 members; elected VADM Nancy Ann Norton effective Jan 1, 2024. She is independent and also serves on FedEx board.
- Norton retired as DISA director and JFHQ-DODIN commander, overseeing global networks and 8,000+ personnel.
- Daniel Atkinson appointed SVP, Chief Accounting Officer and Corporate Controller, effective upon filing of FY 2023 10-K.
- Atkinson receives base salary of $340k, target cash bonus of 50% of base, and annual equity grant of $204k (PSUs, RSUs, options).
- Carly Kimball remains CAO until effective date; becomes Chief Performance Officer on Jan 1, 2024.

## SEC filing metadata
- accession: 0001628280-23-041498
- form_type: 8-K
- ticker: LDOS
- cik: 0001336920
- company_name: Leidos Holdings, Inc.
- filed_at: 2023-12-14T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1336920/000162828023041498/0001628280-23-041498-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1336920/000162828023041498/ldos-20231211.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-23-041498
- JSON: https://secwatch.observer/filing/0001628280-23-041498.json
- Plain text: https://secwatch.observer/filing/0001628280-23-041498.txt

## Key facts
- Executive change
  Daniel A. Atkinson IV was appointed as Senior Vice President, Chief Accounting Officer and Corporate Controller at Leidos Holdings, Inc..
  - Action: appointed
  - Role: Senior Vice President, Chief Accounting Officer and Corporate Controller
  source text: appointed Daniel A. Atkinson IV, age 45, as the Company's Senior Vice President, Chief Accounting Officer and Corporate Controller, to be effective upon the filing of the Company's Annual Report on Form 10-K for the year ended December 29, 2023 (the " Effective Date ").
  evidence_url: https://www.sec.gov/Archives/edgar/data/1336920/000162828023041498/0001628280-23-041498-index.htm
- Executive change
  Carly E. Kimball was appointed as Chief Performance Officer at Leidos Holdings, Inc..
  - Action: appointed
  - Role: Chief Performance Officer
  source text: Carly E. Kimball will continue to serve as the Company's Chief Accounting Officer and Corporate Controller until the Effective Date, in addition to her new role as Chief Performance Officer, which will be effective January 1, 2024.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1336920/000162828023041498/0001628280-23-041498-index.htm
- Executive change
  Nancy Ann Norton was elected as Director at Leidos Holdings, Inc..
  - Action: elected
  - Role: Director
  source text: elected Vice Admiral (Retired) Nancy Ann Norton as a Director of the Company, effective January 1, 2024.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1336920/000162828023041498/0001628280-23-041498-index.htm

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