Martin Hoffmann files Form 144 to sell ONON shares

Martin Hoffmann filed a Form 144 reporting proposed sales of Class A Ordinary Shares through Goldman Sachs & Co. LLC.

Rhea-AI Filing Summary

Martin Hoffmann filed a Form 144 reporting proposed sales of Class A Ordinary Shares through Goldman Sachs & Co. LLC. The notice lists multiple sale dates and quantities, including 65,299 shares on 05/26/2026 and 50,000 shares on 05/21/2026.

The entries show recurring dispositions in March–May 2026 by the same holder, with broker details and per‑trade share counts recorded in the notice.

Insights

Securities Attorney

Routine affiliate resale notice listing multiple proposed sales.

The Form 144 lists proposed brokered sales by an affiliate, naming Goldman Sachs & Co. LLC as the broker and providing per‑trade share counts and dates. The filing is a statutory notice required before certain resales by affiliates.

Timing and execution depend on broker activity and market rules; cash‑flow treatment is not specified in the excerpt. Subsequent filings or trade reports will disclose actual transfers when executed.

Key Figures

Example proposed sale: 65,299 shares Example proposed sale: 50,000 shares Recurring small dispositions: 4,150 shares +2 more

5 metrics

Example proposed sale 65,299 shares 05/26/2026 listed trade

Example proposed sale 50,000 shares 05/21/2026 listed trade

Recurring small dispositions 4,150 shares multiple dates in Mar–May 2026

Broker Goldman Sachs & Co. LLC 200 West Street, New York (broker on Form 144)

Form type Form 144 notice Statutory resale notice for affiliates

Key Terms

Form 144, Class A Ordinary Shares, brokered resale

3 terms

Form 144 regulatory

"lists proposed sales and broker information for affiliate resales"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Class A Ordinary Shares financial

"identified as the security subject to proposed sales"

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.

brokered resale financial

"Goldman Sachs & Co. LLC named as broker for proposed transactions"

FAQ

What does Martin Hoffmann's Form 144 for ONON report?

The filing reports proposed sales of Class A Ordinary Shares by Martin Hoffmann via Goldman Sachs. It lists multiple trade dates and share quantities, including trades on 05/26/2026 of 65,299 shares and earlier dispositions in March–May 2026.

Who is the broker named in the ONON Form 144 filing?

The filing names Goldman Sachs & Co. LLC at 200 West Street, New York as the broker. The notice records the broker for proposed resale transactions of Class A Ordinary Shares by the holder.

Does the Form 144 show completed sales or proposed sales for ONON?

Form 144 is a notice of proposed sales; it records intended brokered dispositions and per‑trade counts. The document lists dates and quantities but does not by itself confirm settlement or final transfer of the shares.

What are example trade sizes listed in the ONON Form 144?

Examples shown include proposed sales of 65,299 shares on 05/26/2026 and 50,000 shares on 05/21/2026. Multiple smaller dispositions in March and April 2026 are also recorded with per‑trade counts.

Does the Form 144 state who receives proceeds from the sales?

The excerpt does not state the recipient of proceeds. It identifies the selling holder and broker but does not disclose cash‑flow treatment or how proceeds will be used.

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

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Accepted by SEC EDGAR 05/27/2026 - 04:45 PM 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

144: Filer Information

Filer CIK	0001860218
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: 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	Martin Hoffmann
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: 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	25000	990500	299205569	05/27/2026	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: 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			25000	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	03/06/2026	14061	592231
Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	03/02/2026	4150	192243
Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	03/09/2026	4150	166037
Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	03/16/2026	4150	161485
Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	03/23/2026	4150	165129
Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	03/30/2026	4150	134075
Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	04/06/2026	4150	139377
Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	04/13/2026	4150	140911
Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	04/20/2026	4150	151730
Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	04/27/2026	4150	148753
Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	05/04/2026	4150	143042
Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	05/11/2026	4150	141372
Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	05/13/2026	50000	1761695
Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	05/15/2026	25000	926577
Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	05/18/2026	4150	157166
Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	05/21/2026	50000	1951696
Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	05/22/2026	34701	1389291
Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	05/26/2026	65299	2613885
Martin Hoffmann Forrlibuckstrasse 190 Zurich V8 8005	Class A Ordinary Shares	05/26/2026	4150	166196

144: Remarks and Signature

Remarks
Date of Notice	05/27/2026
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 Martin Hoffmann
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)