# EDGAR Filing Document

**Accession Number:** 0001274173
**File Stem:** 0001104659-26-079406
**Filing Date:** 2026-6
**Character Count:** 9198
**Document Hash:** 8bf09adff13a2c44f7934b2acd607327
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-26-079406.hdr.sgml**: 20260630

**ACCESSION NUMBER**: 0001104659-26-079406

**CONFORMED SUBMISSION TYPE**: S-8 POS

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20260630

**DATE AS OF CHANGE**: 20260630

**EFFECTIVENESS DATE**: 20260630

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** JANUS HENDERSON GROUP PLC
- **CENTRAL INDEX KEY:** 0001274173
- **STANDARD INDUSTRIAL CLASSIFICATION:** INVESTMENT ADVICE [6282]
- **ORGANIZATION NAME:** 02 Finance
- **EIN:** 000000000
- **STATE OF INCORPORATION:** Y9
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** S-8 POS
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-218365
- **FILM NUMBER:** 261141637

**BUSINESS ADDRESS:**
- **STREET 1:** 201 BISHOPSGATE
- **CITY:** LONDON
- **STATE:** X0
- **ZIP:** EC2M 3AE
- **BUSINESS PHONE:** 442078181818

**MAIL ADDRESS:**
- **STREET 1:** 201 BISHOPSGATE
- **CITY:** LONDON
- **STATE:** X0
- **ZIP:** EC2M 3AE

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** HENDERSON GROUP PLC
- **DATE OF NAME CHANGE:** 20050511

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** HHG PLC
- **DATE OF NAME CHANGE:** 20031223

**As filed with the Securities and Exchange Commission on June 30, 2026**

**Registration No. 333-218365**

**Registration No. 333-236685**

**Registration No. 333-265647**

**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

**WASHINGTON, D.C. 20549**

**POST-EFFECTIVE AMENDMENT NO. 1 TO REGISTRATION STATEMENT ON FORM S-8 (Registration No. 333-218365)**

**POST-EFFECTIVE AMENDMENT NO. 1 TO REGISTRATION STATEMENT ON FORM S-8 (Registration No. 333-236685)**

**POST-EFFECTIVE AMENDMENT NO. 1 TO REGISTRATION STATEMENT ON FORM S-8 (Registration No. 333-265647)**

**UNDER THE SECURITIES ACT OF 1933**

![](tm2619304d2_s8posimg001.jpg)

**Janus Henderson Group Ltd.**

(Exact name of registrant as specified in its charter)

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| | | |
|:---|:---|:---|
| **Jersey, Channel Islands** | **6282** | **98-1376360** |
| (State or other jurisdiction of incorporation<br> or organization) | (Primary Standard Industrial<br> Classification Code Number) | (I.R.S. Employer Identification Number) |

---

**201 Bishopsgate**

**EC2M 3AE**

**London, United Kingdom**

**+44 (0) 20 7818 1818**

(Address of principal executive offices, including zip code)

**Janus Henderson Group plc Global Employee Stock Purchase Plan**

**Janus Henderson Group plc 2022 Deferred Incentive Plan**

**Janus Henderson Group plc Third Amended and Restated 2010 Deferred Incentive Plan**

**Henderson Group plc Restricted Share Plan**

**Henderson Group plc Long-Term Incentive Plan**

**Henderson Group plc Deferred Equity Plan**

**Henderson Group plc International Buy As You Earn Plan**

**Henderson Group plc Company Share Option Plan**

**Henderson Executive Shared Ownership Plan**

**Henderson Group plc Sharesave Scheme**

**Henderson Group Plc Buy As You Earn Plan**

**Janus 401(k) and Employee Stock Ownership Plan**

**Janus Henderson Group plc Second Amended and Restated 2010 Long-Term Incentive Stock Plan**

**Janus Henderson Group plc Second Amended and Restated 2012 Employment Inducement Award Plan**

**Janus Henderson Group plc Second Amended and Restated 2005 Long-Term Incentive Stock Plan**

**Janus Henderson Group plc Second Amended and Restated Employee Stock Purchase Plan**

(Full title of the plan)

**Janus Henderson Group Ltd.**

**151 Detroit Street**

**Denver, CO 80206**

**+1 (303) 333 3863**

(Name, address and telephone number, including area code, of agent for service)

**Copies to:**

**William D. Regner**

**Benjamin R. Pedersen**

**66 Hudson Boulevard**

**New York, NY 10001**

**(212) 909 6698**

**Brian L. Schorr, Esq.**

**280 Park Avenue, 41<sup>st</sup> Floor**

**New York, NY 10017**

**(212) 451-3000**

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of "large accelerated filer," "accelerated filer," "emerging growth company," and "smaller reporting company" in Rule 12b-2 of the Exchange Act.

Large accelerated filer ⌧ Accelerated filer ◻ <br> Non-accelerated filer ◻ Smaller reporting company ◻ <br> Emerging growth company ◻

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 7(a)(2)(B) of the Securities Act. ◻

**DEREGISTRATION OF SECURITIES**

Janus Henderson Group Ltd. (as successor by merger to Janus Handerson Group plc) (the "<u>Registrant</u>" or the "<u>Company</u>") is filing these post-effective amendments (these "<u>Post-Effective Amendments</u>") to the following Registration Statements on Form S-8 (the "<u>Registration Statements</u>"), which have been previously filed with the Securities and Exchange Commission (the "<u>SEC</u>"), to deregister any and all securities of the Company previously registered but that remain unsold or otherwise unissued under each such Registration Statements as of the date hereof:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1. Registration Statement No. 333-265647, filed with the SEC on
June 16, 2022, relating to the Janus Henderson Group plc Global Employee Stock Purchase Plan and Janus Henderson Group plc 2022 Deferred
Incentive Plan.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2. Registration Statement No. 333-236685, filed with the SEC on February 27, 2020, relating to the Janus Henderson Group plc Third Amended
and Restated 2010 Deferred Incentive Plan.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3. Registration Statement No. 333-218365, filed with the SEC on
May 31, 2017, relating to the Henderson Group plc Restricted Share Plan, Henderson Group plc Long-Term Incentive Plan, Henderson Group
plc Deferred Equity Plan, Henderson Group plc International Buy As You Earn Plan, Henderson Group plc Company Share Option Plan, Henderson
Executive Shared Ownership Plan, Henderson Group plc Sharesave Scheme, Henderson Group Plc Buy As You Earn Plan, Janus 401(k) and Employee
Stock Ownership Plan, Janus Henderson Group plc Second Amended and Restated 2010 Long-Term Incentive Stock Plan, Janus Henderson Group
plc Second Amended and Restated 2012 Employment Inducement Award Plan, Janus Henderson Group plc Second Amended and Restated 2005 Long-Term
Incentive Stock Plan and Janus Henderson Group plc Second Amended and Restated Employee Stock Purchase Plan.

On June 30, 2026, Jupiter Company Limited, a company incorporated in Jersey ("<u>Parent</u>"), completed the previously announced acquisition of the Company pursuant to the terms of the previously announced Agreement and Plan of Merger, dated as of December 21, 2025 (the "<u>Original Merger Agreement</u>"), by and among the Company, Parent and Jupiter Merger Sub Limited, a company incorporated in Jersey and a wholly owned subsidiary of Parent ("<u>Merger Sub</u>"), as amended by Amendment No. 1 to the Agreement and Plan of Merger, dated as of March 24, 2026 (the "<u>Amendment</u>"), and as further amended and supplemented by the side letter agreement, dated as of June 16, 2026 (the "<u>Side Letter</u>" and, the Original Merger Agreement, as amended, supplemented and otherwise modified by the Amendment and the Side Letter, the "<u>Amended Merger Agreement</u>").

Pursuant to the terms of the Amended Merger Agreement, Merger Sub merged with and into the Company (the "<u>Merger</u>") in accordance with the Companies (Jersey) Law 1991, with the Company surviving such Merger as a wholly owned subsidiary of Parent and changing its name to "*Janus Henderson Group Ltd.*".

As a result of the Merger, the Company has terminated all offerings of its securities pursuant to the Registration Statements. In accordance with an undertaking made by the Company in the Registration Statements to remove from registration, by means of these Post-Effective Amendments, any securities that had been registered but remain unsold at the termination of the offering, the Company hereby amends the Registration Statements to remove from registration all securities, as applicable, registered under the Registration Statements that remain unsold as of the date of these Post-Effective Amendments.

**SIGNATURES**

Pursuant to the requirements of the Securities Act of 1933, the Registrant (as successor by merger to Janus Henderson Group plc) certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and has duly caused this registration statement to be signed on its behalf by the undersigned, thereunto duly authorized, in New York, New York, on this 30<sup>th</sup> day of June 2026.

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| | |
|:---|:---|
| **JANUS HENDERSON GROUP LTD.** | **JANUS HENDERSON GROUP LTD.** |
| By: | /s/ Sukh Grewal |
| Name: | Sukh Grewal |
| Title: | Chief Financial Officer |

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No other person is required to sign these Post-Effective Amendments in reliance upon Rule 478 of the Securities Act of 1933, as amended.