---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-22-104279"
form_type: "8-K"
ticker: "JHG"
cik: "0001274173"
company_name: "JANUS HENDERSON GROUP PLC"
filed_at: "2022-09-30T23:59:59+00:00"
generated_at: "2026-06-23T06:16:53.700728+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Janus Henderson announces board retirements and three new independent directors

## Summary
- Richard Gillingwater (Chair) retires Dec 31, 2022; Larry Kochard and Jeff Diermeier retire Nov 3, 2022.
- Alison Quirk, Anne Sheehan, and John Cassaday appointed as independent directors, effective Nov 3, 2022.
- Board size remains 11; 10 independent, 55% appointed in 2022, 45% female after changes.
- New directors have experience at State Street, CalSTRS, Corus Entertainment, and corporate boards.
- Chair successor to be announced later; departures not due to disagreements.

## SEC filing metadata
- accession: 0001104659-22-104279
- form_type: 8-K
- ticker: JHG
- cik: 0001274173
- company_name: JANUS HENDERSON GROUP PLC
- filed_at: 2022-09-30T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1274173/000110465922104279/0001104659-22-104279-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1274173/000110465922104279/tm2226789d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-22-104279
- JSON: https://secwatch.observer/filing/0001104659-22-104279.json
- Plain text: https://secwatch.observer/filing/0001104659-22-104279.txt

## Key facts
- Executive change
  John Cassaday was elected as Director at JANUS HENDERSON GROUP PLC.
  - Action: elected
  - Role: Director
  source text: the Board elected John Cassaday, Alison Quirk and Anne Sheehan as Directors (the “New Directors”), effective November 3, 2022
  evidence_url: https://www.sec.gov/Archives/edgar/data/1274173/000110465922104279/0001104659-22-104279-index.htm
- Executive change
  Alison Quirk was elected as Director at JANUS HENDERSON GROUP PLC.
  - Action: elected
  - Role: Director
  source text: the Board elected John Cassaday, Alison Quirk and Anne Sheehan as Directors (the “New Directors”), effective November 3, 2022
  evidence_url: https://www.sec.gov/Archives/edgar/data/1274173/000110465922104279/0001104659-22-104279-index.htm
- Executive change
  Anne Sheehan was elected as Director at JANUS HENDERSON GROUP PLC.
  - Action: elected
  - Role: Director
  source text: the Board elected John Cassaday, Alison Quirk and Anne Sheehan as Directors (the “New Directors”), effective November 3, 2022
  evidence_url: https://www.sec.gov/Archives/edgar/data/1274173/000110465922104279/0001104659-22-104279-index.htm
- Executive change
  Richard Gillingwater resigned as Director at JANUS HENDERSON GROUP PLC.
  - Action: resigned
  - Role: Director
  source text: Richard Gillingwater notified the Company of his resignation from the Board, effective December 31, 2022
  evidence_url: https://www.sec.gov/Archives/edgar/data/1274173/000110465922104279/0001104659-22-104279-index.htm
- Executive change
  Jeffrey Diermeier resigned as Director at JANUS HENDERSON GROUP PLC.
  - Action: resigned
  - Role: Director
  source text: Jeffrey Diermeier and Lawrence Kochard notified Janus Henderson Group plc (the “Company”) of their resignations from the Company’s Board of Directors (the “Board”), effective November 3, 2022
  evidence_url: https://www.sec.gov/Archives/edgar/data/1274173/000110465922104279/0001104659-22-104279-index.htm
- Executive change
  Lawrence Kochard resigned as Director at JANUS HENDERSON GROUP PLC.
  - Action: resigned
  - Role: Director
  source text: Jeffrey Diermeier and Lawrence Kochard notified Janus Henderson Group plc (the “Company”) of their resignations from the Company’s Board of Directors (the “Board”), effective November 3, 2022
  evidence_url: https://www.sec.gov/Archives/edgar/data/1274173/000110465922104279/0001104659-22-104279-index.htm

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