On Holding co-CEO buys 60,000 Class A shares

On Holding AG Executive Officer and Co-CEO David Michael Allemann reported purchasing a total of 60,000 Class A Shares on May 14, 2026 in non-derivative transactions described as purchases in open market or private transactions.

Rhea-AI Filing Summary

On Holding AG Executive Officer and Co-CEO David Michael Allemann reported purchasing a total of 60,000 Class A Shares on May 14, 2026 in non-derivative transactions described as purchases in open market or private transactions. The reported per-share prices are weighted averages based on multiple trades in ranges of $35.3800–$36.3700 and $36.3800–$36.9700. After these purchases, he directly held 2,841,108 Class A Shares.

Insider Trade Summary

Net Buyer: 60,000 shares

Net Buy 2 txns

Insider Allemann David Michael

Role Executive Officer & Co-CEO

Bought 60,000 shs ($2.20M)

Type	Security	Shares	Price	Value
Purchase	Class A Shares	9,144	$35.973	$329K
Purchase	Class A Shares	50,856	$36.754	$1.87M

Holdings After Transaction: Class A Shares — 2,841,108 shares (Direct)

Footnotes (2)

1. F1. The reported price is a weighted average purchase price. These shares were purchased in multiple transactions at prices ranging from $35.3800 to $36.3700, 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 purchased at each separate price within the range set forth in this footnote.
2. F2. The reported price is a weighted average purchase price. These shares were purchased in multiple transactions at prices ranging from $36.3800 to $36.9700, 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 purchased at each separate price within the range set forth in this footnote.

Key Figures

Shares purchased (lot 1): 9,144 shares Weighted average price (lot 1): $35.973 per share Shares purchased (lot 2): 50,856 shares +5 more

8 metrics

Shares purchased (lot 1) 9,144 shares Non-derivative Class A Shares purchase on 2026-05-14

Weighted average price (lot 1) $35.973 per share Weighted average purchase price for one reported lot

Shares purchased (lot 2) 50,856 shares Second non-derivative Class A Shares purchase on 2026-05-14

Weighted average price (lot 2) $36.754 per share Weighted average purchase price for the second reported lot

Total shares purchased 60,000 shares Aggregate Class A Shares bought across reported transactions

Post-transaction holdings 2,841,108 shares Direct Class A Shares held after the reported transactions

Price range (weighted average footnote 1) $35.3800–$36.3700 Range of prices for trades underlying one weighted average

Price range (weighted average footnote 2) $36.3800–$36.9700 Range of prices for trades underlying another weighted average

Key Terms

weighted average purchase price, open market or private transaction, non-derivative

3 terms

weighted average purchase price financial

"The reported price is a weighted average purchase price."

The weighted average purchase price is the average cost per share you paid across multiple buys, calculated so larger purchases count more than smaller ones. Imagine buying apples at different prices: the overall price you effectively paid depends on how many apples you bought at each price. Investors use it to measure true cost basis, calculate gains or losses, decide when to sell, and manage taxes and portfolio performance.

open market or private transaction financial

"Purchase in open market or private transaction"

non-derivative financial

"transaction_type: non-derivative"

FAQ

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

What insider share purchase did ONON report for co-CEO David Michael Allemann?

Co-CEO David Michael Allemann reported buying 60,000 Class A Shares of On Holding AG on May 14, 2026. The transactions were non-derivative purchases in open market or private transactions at weighted average prices around the mid-$30s per share.

How many On Holding (ONON) shares does David Michael Allemann hold after this Form 4?

After the reported transactions, David Michael Allemann directly holds 2,841,108 Class A Shares of On Holding AG. This figure reflects his post-transaction direct ownership and is reported as a canonical balance for the Class A Shares position.

At what prices were the ONON Class A shares purchased in this Form 4?

The filing reports weighted average purchase prices of $35.973 and $36.754 per share. Footnotes explain these averages reflect multiple trades in ranges of $35.3800–$36.3700 and $36.3800–$36.9700, inclusive, across the reported transactions.

How many ONON Class A shares were in each reported purchase lot?

Two non-derivative purchase lots were reported: one for 9,144 Class A Shares and another for 50,856 Class A Shares. Together they total 60,000 shares, all attributed to David Michael Allemann’s direct ownership on the transaction date.

Were the ONON insider purchases made under a Rule 10b5-1 trading plan?

The filing’s Rule 10b5-1 checkbox is not marked, so these transactions are not affirmed as executed under a Rule 10b5-1 trading plan. The footnotes instead focus on explaining the weighted average purchase prices and price ranges for the reported trades.

What type of security did ONON’s co-CEO buy in this filing?

David Michael Allemann purchased Class A Shares of On Holding AG, reported as non-derivative securities. The transactions are described as purchases in open market or private transactions, increasing his direct Class A Share holdings to 2,841,108 after the trades.

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

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Accepted by SEC EDGAR 05/15/2026 - 08:57 AM 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^*

Allemann David Michael

(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
X	Officer (give title below)		Other (specify below)
	Executive Officer & Co-CEO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/14/2026

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	05/14/2026		P		9,144	A	$35.973(1)	2,790,252	D
Class A Shares	05/14/2026		P		50,856	A	$36.754(2)	2,841,108	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 reported price is a weighted average purchase price. These shares were purchased in multiple transactions at prices ranging from $35.3800 to $36.3700, 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 purchased at each separate price within the range set forth in this footnote.

2. The reported price is a weighted average purchase price. These shares were purchased in multiple transactions at prices ranging from $36.3800 to $36.9700, 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 purchased at each separate price within the range set forth in this footnote.

	/s/ Zlatina Iliev, Attorney-in-Fact	05/15/2026
	** 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)