---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-075457"
form_type: "8-K"
ticker: "JHG"
cik: "0001274173"
company_name: "JANUS HENDERSON GROUP PLC"
filed_at: "2026-06-18T12:44:32+00:00"
generated_at: "2026-06-18T12:45:08.907872+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Janus Henderson take-private with Trian/General Catalyst to close June 30, 2026; regulatory approvals secured

## Summary
- Side letter sets closing date of June 30, 2026; termination date extended to September 20, 2026.
- All required regulatory approvals and client consents received for the $52.00/share cash take-private.
- Shareholders approved the merger on April 16, 2026; shares to be delisted from NYSE upon closing.
- Transaction led by Trian Fund Management and General Catalyst; Janus Henderson to become private.

## SEC filing metadata
- accession: 0001104659-26-075457
- form_type: 8-K
- ticker: JHG
- cik: 0001274173
- company_name: JANUS HENDERSON GROUP PLC
- filed_at: 2026-06-18T12:44:32+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 1.01, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1274173/000110465926075457/0001104659-26-075457-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1274173/000110465926075457/tm2618260d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-075457
- JSON: https://secwatch.observer/filing/0001104659-26-075457.json
- Plain text: https://secwatch.observer/filing/0001104659-26-075457.txt

## Key facts
- Material Agreements
  JANUS HENDERSON GROUP PLC amended Side Letter with Parent and Merger Sub (effective 2026-06-16).
  - Action: amendment
  - Agreement: merger
  - Counterparty: Parent and Merger Sub
  - Effective: 2026-06-16
  source text: On June 16, 2026, the Company entered into a side letter agreement (the “ Side Letter ”) with Parent and Merger Sub, which further supplements and amends certain terms of the Merger Agreement
  evidence_url: https://www.sec.gov/Archives/edgar/data/1274173/000110465926075457/0001104659-26-075457-index.htm

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