[144] On Holding AG SEC Filing

Rhea-AI Filing Summary

On Holding AG (ONON) received a Rule 144 notice for a proposed sale of 75,000 Class A Ordinary Shares with an aggregate market value of $3,180,000. The filing lists Goldman Sachs & Co. LLC as broker and an approximate sale date of 11/13/2025 on the NYSE.

The shares were acquired from the issuer in a private transaction on 12/21/2017. The notice states 296,675,361 shares outstanding. Recent activity shows multiple sales by Martin Hoffmann, including 4,415 shares on 08/18/2025 for $199,344.91 and 4,415 shares on 08/25/2025 for $202,969.38.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Class A Ordinary Shares	Goldman Sachs & Co. LLC 200 West Street New York NY 10282	75000	3180000	296675361	11/13/2025	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Class A Ordinary Shares	12/21/2017	Acquired from issuer in private transaction	Issuer			75000	12/21/2017	None

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	08/18/2025	4415	199344.91
Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	08/25/2025	4415	202969.38
Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	09/02/2025	4415	196860.13
Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	09/08/2025	4415	199922.67
Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	09/15/2025	4415	189366.41
Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	09/22/2025	4415	201044.86
Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	09/29/2025	4415	190370.42
Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	10/01/2025	4150	171114.28
Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	10/06/2025	4150	175879.44
Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	10/13/2025	4150	176303.68
Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	10/20/2025	4150	174021.56
Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	10/27/2025	4150	176141.9
Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	11/03/2025	4150	150727.34
Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	11/10/2025	4150	145026.41

144: Remarks and Signature

Remarks

Date of Notice

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What did ONON’s Form 144 filing disclose?

A proposed sale of 75,000 Class A Ordinary Shares with an aggregate market value of $3,180,000.

Who is the broker for the proposed ONON share sale?

The filing lists Goldman Sachs & Co. LLC as broker.

When is the approximate sale date in the ONON Form 144?

The notice lists an approximate date of 11/13/2025.

On which exchange are the ONON shares listed for this sale?

The filing names the NYSE.

How many ONON shares are outstanding according to the notice?

The notice states 296,675,361 shares outstanding.

What prior ONON share sales were reported in the past 3 months?

Examples include 4,415 shares on 08/18/2025 for $199,344.91 and 4,415 shares on 08/25/2025 for $202,969.38.

How were the shares originally acquired?

They were acquired from the issuer in a private transaction on 12/21/2017.