On Holding AG (NYSE: ONON) CEO sells 4,150 shares in planned trade

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 on April 13, 2026 at a weighted average price of $33.9545 per share.

The transaction was executed under a pre-arranged Rule 10b5-1 trading plan adopted on May 30, 2025. Following this sale, Hoffmann directly holds 1,393,399 Class A Shares.

Insider Trade Summary 10b5-1

Net Seller: 4,150 shares ($140,911)

Net Sell 1 txn

Insider Hoffmann Martin

Role CEO

Sold 4,150 shs ($141K)

Type	Security	Shares	Price	Value
Sale	Class A Shares	4,150	$33.9545	$141K

Holdings After Transaction: Class A Shares — 1,393,399 shares (Direct)

Footnotes (1)

1. The sales reported were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 30, 2025. The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.1800 to $34.3950, 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.

Key Figures

Shares sold: 4,150 shares Weighted average sale price: $33.9545 per share Post-transaction holdings: 1,393,399 shares +2 more

5 metrics

Shares sold 4,150 shares Open-market sale on April 13, 2026

Weighted average sale price $33.9545 per share Class A Shares sold on April 13, 2026

Post-transaction holdings 1,393,399 shares Class A Shares held directly after sale

Sale price range $33.18–$34.395 per share Multiple trades within this range

10b5-1 plan adoption date May 30, 2025 Plan governing the reported sales

Key Terms

Rule 10b5-1 trading plan, weighted average price, open-market sale, Class A Shares

4 terms

Rule 10b5-1 trading plan regulatory

"The sales reported were effected pursuant to a Rule 10b5-1 trading plan adopted"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

weighted average price financial

"The reported price is a weighted average price. These shares were sold in multiple transactions"

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

open-market sale financial

"transaction_action": "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

Class A Shares financial

""security_title": "Class A Shares""

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.

Form 4 Insider Transactions: What Each Field Means →

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)
04/13/2026

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	04/13/2026(1)		S		4,150	D	$33.9545(2)	1,393,399	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 $33.1800 to $34.3950, 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	04/15/2026
	** 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)

FAQ

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

On Holding AG CEO Martin Hoffmann reported an open-market sale of 4,150 Class A Shares. The sale occurred on April 13, 2026, at a weighted average price of $33.9545 per share, and he continues to hold 1,393,399 Class A Shares afterward.

At what price did the On Holding AG CEO sell his ONON shares?

Martin Hoffmann sold 4,150 Class A Shares at a weighted average price of $33.9545. A footnote explains the shares were sold in multiple trades between $33.18 and $34.395 per share, and detailed trade data is available from the company or regulators on request.

How many On Holding AG (ONON) shares does the CEO still own after this sale?

After selling 4,150 Class A Shares, CEO Martin Hoffmann directly holds 1,393,399 Class A Shares. This figure reflects his position immediately following the reported open-market transaction on April 13, 2026, as disclosed in the insider trading report.

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

Yes. The filing states the sales were effected under a Rule 10b5-1 trading plan adopted by Martin Hoffmann on May 30, 2025. Such plans pre-schedule trades, indicating the timing was set in advance rather than decided spontaneously.

What trading range applied to the CEO’s recent ONON share sales?

The reported weighted average price was $33.9545, with individual trades executed between $33.18 and $34.395 per share. The filing notes the CEO will provide full details of the number of shares sold at each price within this range upon request.