Janus Henderson director receives stock award, pays taxes

JANUS HENDERSON GROUP PLC director Leslie Seidman reported compensation-related stock transactions.

Rhea-AI Filing Summary

JANUS HENDERSON GROUP PLC director Leslie Seidman reported compensation-related stock transactions. On May 11, 2026, she acquired 3,288 shares of common stock as a grant of restricted stock units that vest one year after the grant date, at $51.71 per share. On May 12, 2026, 417 shares were disposed of at $51.61 per share to satisfy tax withholding obligations tied to vesting restricted stock units granted on May 2, 2025. Following these transactions, she directly holds 15,756 shares of common stock, indicating a routine equity award and associated tax withholding rather than open-market buying or selling.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Seidman Leslie

Role Director

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	417	$51.61	$22K
Grant/Award	Common Stock	3,288	$51.71	$170K

Holdings After Transaction: Common Stock — 15,756 shares (Direct)

Footnotes (2)

1. F1. Represents a grant of restricted stock units which vests one year after the date of grant.
2. F2. Represents the number of shares withheld by the Issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting of restricted stock units granted on May 2, 2025.

Key Figures

Grant shares: 3,288 shares Tax withholding shares: 417 shares Post-transaction holdings: 15,756 shares +2 more

5 metrics

Grant shares 3,288 shares Restricted stock unit grant on May 11, 2026 at $51.71 per share

Tax withholding shares 417 shares Shares withheld on May 12, 2026 at $51.61 per share

Post-transaction holdings 15,756 shares Common stock held directly after reported transactions

Grant price $51.71 per share Price per share for 3,288-share award acquisition

Tax disposition price $51.61 per share Price per share for 417-share tax-withholding disposition

Key Terms

restricted stock units, tax withholding obligations, grant, award, or other acquisition, Payment of exercise price or tax liability by delivering securities

4 terms

restricted stock units financial

"Represents a grant of restricted stock units which vests one year after the date of grant."

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

tax withholding obligations financial

"shares withheld by the Issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting"

grant, award, or other acquisition financial

"transaction_code_description: Grant, award, or other acquisition"

Payment of exercise price or tax liability by delivering securities financial

"transaction_code_description: Payment of exercise price or tax liability by delivering securities"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transactions did Leslie Seidman report for JANUS HENDERSON GROUP PLC (JHG)?

Leslie Seidman reported a stock award and related tax withholding. She received 3,288 common shares as a restricted stock unit grant, then 417 shares were withheld to cover tax obligations arising from vesting of prior restricted stock units.

How many JANUS HENDERSON GROUP PLC (JHG) shares did Leslie Seidman acquire and dispose of?

She acquired 3,288 common shares through a grant of restricted stock units and had 417 shares disposed of to satisfy tax withholding obligations. These actions reflect compensation and tax-related entries, not open-market purchases or sales of stock.

What do the Form 4 transaction codes A and F mean in the JHG filing?

Code A reflects a grant or award acquisition of shares, here 3,288 restricted stock units. Code F reflects shares disposed of to pay exercise price or tax liabilities, here 417 shares withheld to cover tax obligations on vesting restricted stock units.

How many JANUS HENDERSON GROUP PLC (JHG) shares does Leslie Seidman hold after these transactions?

After the reported transactions, Leslie Seidman directly holds 15,756 shares of JANUS HENDERSON GROUP PLC common stock. This figure reflects her position after receiving the stock award and the separate tax-withholding share disposition recorded in the Form 4.

What are restricted stock units in the context of JHG director compensation?

Restricted stock units are share-based awards that vest over time, granting shares when vesting conditions are met. In this filing, Seidman received 3,288 units that vest one year after grant, illustrating equity compensation commonly used for directors and executives.

Was Leslie Seidman’s JHG Form 4 activity an open-market trade?

The transactions were not open-market trades. They reflect a grant of restricted stock units as compensation and a tax-withholding disposition of 417 shares to satisfy obligations tied to vesting, rather than discretionary buying or selling on the open market.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/13/2026 - 05:38 PM EDT Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Seidman Leslie

(Last) (First) (Middle)

201 BISHOPGATE

(Street)

LONDON EC2M 3AE

(City) (State) (Zip)

UNITED KINGDOM

(Country)

2. Issuer Name and Ticker or Trading Symbol
JANUS HENDERSON GROUP PLC [ JHG ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/11/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	05/11/2026		A		3,288(1)	A	$51.71	16,173	D
Common Stock	05/12/2026		F		417(2)	D	$51.61	15,756	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents a grant of restricted stock units which vests one year after the date of grant.

2. Represents the number of shares withheld by the Issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting of restricted stock units granted on May 2, 2025.

	/s/ Lisa Kish, by Power of Attorney for Leslie Seidman	05/13/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)