On Holding CEO sells 4,150 shares under plan

On Holding AG CEO Martin Hoffmann reported an open-market sale of 4,150 Class A Shares.

Accepted by SEC EDGAR 03/24/2026 - 04:56 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

On Holding AG CEO Martin Hoffmann reported an open-market sale of 4,150 Class A Shares. The shares were sold at a weighted average price of $39.7901 per share in multiple transactions between $38.3100 and $40.4950.

The filing states the sales were made under a pre-arranged Rule 10b5-1 trading plan adopted by Hoffmann on May 30, 2025. After this transaction, he directly holds 1,357,020 Class A Shares, indicating he retains a substantial equity position in the company.

Insider Trade Summary 10b5-1

Net Seller: 4,150 shares

Net Sell 1 txn

Insider Hoffmann Martin

Role CEO

Sold 4,150 shs ($165K)

Type	Security	Shares	Price	Value
Sale	Class A Shares	4,150	$39.7901	$165K

Holdings After Transaction: Class A Shares — 1,357,020 shares (Direct)

Footnotes (2)

1. F1. The sales reported were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 30, 2025.
2. F2. The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $38.3100 to $40.4950, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

FAQ

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

What insider transaction did On Holding (ONON) CEO Martin Hoffmann report?

CEO Martin Hoffmann reported an open-market sale of 4,150 On Holding Class A Shares. The Form 4 shows a single non-derivative transaction, reflecting a routine insider sale rather than an option exercise or derivative conversion.

How many On Holding (ONON) shares did Martin Hoffmann sell and at what price?

Martin Hoffmann sold 4,150 Class A Shares of On Holding at a weighted average price of $39.7901. A footnote explains the shares were sold in multiple trades between $38.3100 and $40.4950 per share during the reported transaction.

Was the On Holding (ONON) CEO’s share sale under a Rule 10b5-1 plan?

Yes, the filing states the sales were effected under a Rule 10b5-1 trading plan. The plan was adopted by Martin Hoffmann on May 30, 2025, indicating the trades were pre-arranged rather than timed discretionarily around short-term market events.

How many On Holding (ONON) shares does CEO Martin Hoffmann hold after the sale?

Following the reported transaction, Martin Hoffmann directly holds 1,357,020 Class A Shares of On Holding. This remaining position suggests the 4,150-share sale was a relatively small portion of his overall direct ownership stake in the company.

What type of security and transaction are disclosed in this On Holding (ONON) Form 4?

The Form 4 discloses a non-derivative transaction in On Holding Class A Shares. It records an open-market sale coded as “S,” meaning Hoffmann sold existing common equity rather than exercising options or converting derivative securities into shares.

What price range is disclosed for the On Holding (ONON) CEO’s share sale?

A footnote states the reported weighted average price of $39.7901 reflects multiple trades. These individual transactions occurred at prices ranging from $38.3100 to $40.4950 per share, and detailed breakdowns are available upon request from the issuer or regulators.

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

Form 4 Insider Transactions: What Each Field Means →

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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).

X

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^*

Hoffmann Martin

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/23/2026

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	03/23/2026(1)		S		4,150	D	$39.7901(2)	1,357,020	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. The sales reported were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 30, 2025.

2. The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $38.3100 to $40.4950, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

	/s/ Zlatina Iliev, Attorney-in-Fact	03/24/2026
	** 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)