On Holding director granted 2,892 share units

The restricted stock units vested into Class A Shares immediately, and reported direct holdings stood at 104,478 shares afterward.

Available on EDGAR 09/23/2026 - 08:28 AM EDT Accepted by SEC EDGAR 09/23/2026 - 08:27 AM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

On Holding AG (symbol: ONON) is the issuer of record for a Form 4 filing submitted to the SEC. Durkin Dennis M reported acquisition or exercise transactions in this Form 4 filing.

On Holding AG director Dennis M. Durkin received a grant of 2,892 restricted stock units on September 21, 2026; they vested into Class A Shares immediately after the grant. He directly held 104,478 Class A Shares following the transaction. No Rule 10b5-1 plan is reported.

Insider Trade Summary

Grant/Award: 2,892 shares

Grant/Award 1 txn

Insider Durkin Dennis M

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Class A Shares F1	2,892	--	--

Holdings After Transaction: Class A Shares — 104,478 shares (Direct)

Footnotes (1)

1. F1. On September 21, 2026, the Reporting Person was granted 2,892 restricted stock units, which vested into Class A Shares immediately after the grant.

Key Figures

Restricted stock units granted: 2,892 units Direct Class A Shares held after transaction: 104,478 shares Grant date: September 21, 2026

3 metrics

Restricted stock units granted 2,892 units Granted September 21, 2026; vested immediately into Class A Shares

Direct Class A Shares held after transaction 104,478 shares Following the September 21, 2026 transaction

Grant date September 21, 2026 Date of the restricted stock unit grant

Key Terms

restricted stock units, vested, Class A Shares

3 terms

restricted stock units financial

"was granted 2,892 restricted stock units"

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.

vested financial

"vested into Class A Shares immediately after the grant"

Class A Shares financial

"vested into Class A Shares immediately after the grant"

Class A shares are one of a company’s distinct types of stock that come with a specific set of rights—commonly different voting power, dividend treatment, or transfer rules—defined in the company’s charter. Investors care because those rights affect control, income and resale value; like holding a seat at a table that has different rules or stronger chips than other seats, owning Class A changes how much influence and return you can expect.

FAQ

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

What did ONON director Dennis M. Durkin report?

He received a grant of 2,892 restricted stock units on September 21, 2026. They vested into Class A Shares immediately after the grant.

How many ONON shares did Dennis M. Durkin hold after the transaction?

He directly held 104,478 Class A Shares following the transaction.

Did the ONON restricted stock units vest immediately?

Yes. The 2,892 restricted stock units vested into Class A Shares immediately after the grant on September 21, 2026.

Was Dennis M. Durkin's ONON transaction a stock grant or purchase?

It was a grant of restricted stock units, which vested into Class A Shares immediately after the grant.

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

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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^*

Durkin Dennis M

(Last) (First) (Middle)

C/O ON HOLDING AG

FORRLIBUCKSTRASSE 190

(Street)

ZURICH 8005

(City) (State) (Zip)

SWITZERLAND

(Country)

2. Issuer Name and Ticker or Trading Symbol
On Holding AG [ ONON ]

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)
09/21/2026

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
Class A Shares	09/21/2026		A		2,892	A	(1)	104,478	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. On September 21, 2026, the Reporting Person was granted 2,892 restricted stock units, which vested into Class A Shares immediately after the grant.

	/s/ Zlatina Iliev, Attorney-in-Fact	09/23/2026
	** 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)