Marc Maurer sells multiple ONON Class A shares

Marc Maurer reported multiple sales of Class A Ordinary Shares of ONON.

Rhea-AI Filing Summary

Marc Maurer reported multiple sales of Class A Ordinary Shares of ONON. The filing lists numerous dispositions dated between 01/12/2026 and 03/06/2026, with repeated transactions of 6,250 shares and larger entries including 100,000 shares on 03/05/2026 and 14,062 shares on 03/06/2026. The records show trade sizes and per‑trade identifiers for each sale.

Key Figures

Repeated sale size: 6,250 shares Largest reported sale: 100,000 shares Notable sale: 14,062 shares +1 more

4 metrics

Repeated sale size 6,250 shares multiple dates between 01/12/2026 and 03/30/2026

Largest reported sale 100,000 shares 03/05/2026

Notable sale 14,062 shares 03/06/2026

Acquisition note 12/21/2017 acquired from issuer in private transaction

Key Terms

Form 144/A, Class A Ordinary Shares, acquired from issuer in private transaction

3 terms

Form 144/A regulatory

"144/A: Securities Sold During The Past 3 Months"

Class A Ordinary Shares financial

"Class A Ordinary Shares | 12/21/2017 | Acquired from issuer in private transaction"

Class A ordinary shares are a type of ownership stake in a company that typically grants voting rights to shareholders, allowing them to have a say in important company decisions. They often come with priority in receiving dividends or profits, making them attractive to investors seeking influence and potential income. These shares help distinguish different levels of ownership and rights within a company's stock structure.

acquired from issuer in private transaction financial

"Class A Ordinary Shares | 12/21/2017 | Acquired from issuer in private transaction"

FAQ

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

What transactions did Marc Maurer report for ONON?

Marc Maurer reported multiple open-market sales of ONON Class A shares. The filing lists transactions from 01/12/2026 through 03/06/2026, including many 6,250-share sales and one 100,000-share sale on 03/05/2026.

How large were the biggest sales reported in the ONON filing?

The largest single reported sale was 100,000 shares on 03/05/2026. Other notable entries include 14,062 shares on 03/06/2026 and multiple recurring 6,250-share transactions across January–March 2026.

Over what period were the ONON shares sold according to the 144/A?

The reported sales span from 01/12/2026 to 03/06/2026. Individual sale dates are listed with each trade size and an identifier; the excerpt shows a sequence of dispositions across January, February, and March 2026.

Do the filings state how the shares were originally acquired?

The excerpt indicates some Class A shares were "acquired from issuer in private transaction" dated 12/21/2017. That acquisition note appears alongside the securities description in the filing header information.

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

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Accepted by SEC EDGAR 04/20/2026 - 04:12 PM EDT Learn about SEC filing dates

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/A

144/A: Filer Information

Filer CIK	0001859787
Filer CCC	XXXXXXXX
Previous Accession Number Of The Filing	0001958244-26-000197
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144/A: Issuer Information

Name of Issuer	On Holding AG
SEC File Number	001-40795
Address of Issuer	Forrlibuckstrasse 190 Zurich SWITZERLAND 8005
Phone	41-44-225-1555
Name of Person for Whose Account the Securities are To Be Sold	Marc Maurer
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	Officer

144/A: 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	6250	210437.5	296873353	04/06/2026	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/A: 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			6250	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/A: 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
Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	01/12/2026	6250	305822
Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	01/12/2026	6250	305779
Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	01/20/2026	6250	281693
Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	01/20/2026	3536	161023
Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	01/21/2026	2714	125591
Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	01/26/2026	6250	289043
Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	01/26/2026	6250	289029
Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	02/02/2026	6250	284496
Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	02/02/2026	6250	284588
Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	02/09/2026	6250	277156
Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	02/10/2026	6250	285796
Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	02/17/2026	6250	288347
Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	02/17/2026	6250	288338
Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	02/23/2026	6250	297040
Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	02/23/2026	6250	297040
Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	03/02/2026	6250	289658
Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	03/02/2026	6250	289534
Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	03/05/2026	100000	4366966
Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	03/09/2026	6250	250045
Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	03/16/2026	6250	243207
Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	03/23/2026	6250	248700
Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	03/30/2026	6250	201948
Marc Maurer Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	03/06/2026	14062	592273.16

144/A: Remarks and Signature

Remarks	Amendment to the filing submitted on 4/6/2026 in order to amend Table II.
Date of Notice	04/20/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	06/04/2025
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	Goldman Sachs & Co. LLC on behalf of Marc Maurer
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)